According to the table above, there are three students who work 2 hours, ve students who work 3 hours, etc. Dec 24, 2017 · < Wiktionary:Frequency lists Jump to navigation Jump to search This list has been generated from subtitles of movies and television series with a total of about 27. The most common unit of frequency is the hertz , corresponding to one crest per second. Thus, in the electromagnetic spectrum, the wavelengths decrease as the frequencies increase, and vice versa. An example of wavelength is when you and another person share Frequency Response. Define gene pool. For example, if four students have a score of 80 in mathematics, and then the score of 80 is said to have a frequency of 4. the term that is used to describe the number of repetitions of a periodic signal or event. My operating frequency is 100 THz or above. 3 define amplitude, frequency, wavelength and period of a wave Period of a wave Time taken for the source to produce one complete wave. The frequency of a data value is often represented by f. General liability losses are usually of a moderate frequency, and property losses often have a low frequency. Frequency distribution is a representation, either in a graphical or tabular format, that displays the number of observations within a given interval. ). It uses complex algorithms to analyze reach and frequency (R/F) Definition + Create New Flashcard; Popular Terms. Frequency hopping spread spectrum (FHSS) is a method of transmitting radio signals by shifting carriers across numerous channels with pseudorandom sequence which is …A frequency distribution is commonly used to categorize information so that it can be interpreted quickly in a visual way. global English and language change from our blog Definition and synonyms of frequency from the online English dictionary from Macmillan Education. ’. proportion of an allele within a population. The driving force is an external force applied to the oscillator. with increasing frequency (=more often): Accidents occur here with increasing frequency. Frequency measures how often things repeat over time. Apr 30, 2014 · Sound Explained: Frequency This video is a preview from a large mixing tutorial series. Allele frequency is a measure of the relative frequency of an allele on a genetic locus in a population. Definition of “frequency” - English Dictionary. Definition. Actually calculating the frequency of various transmissions can be a complex science and usually …You can define a frequency schedule for a meter-based preventive maintenance (PM) record to specify how often work orders are generated from it. The frequency of the musical note A above middle C is 440 oscillations per second. 041 How to Calculate Frequency. 050 2001 9,427 0. You Also Might LikeSign In. 1. Frequency The number of waves per second, it is measured in Hertz (Hz). How to use frequence in a sentence. If it takes 1/100 of an hour, the frequency is 100 per hour. Frequency is important in wireless communications, where the frequency of a signal is mathematically related to the wavelength. Radio frequency (RF) is a measurement representing the oscillation rate of electromagnetic radiation spectrum, or electromagnetic radio waves, from frequencies ranging from 300 GHz to as low as 9 kHz. frequency synonyms, frequency pronunciation, frequency translation, English dictionary definition of frequency. The graph always starts at zero at the lowest class boundary and will end up at the total frequency (for a cumulative frequency) or 1. The number of cycles per second (abbreviated as, hz) of anything that oscillates is called the "frequency". Usually frequency is measured in the hertz unit, named in honor technical: the number of times that something (such as a sound wave or radio wave) is repeated in a period of time (such as a second) [noncount] frequency / ˈfriːkwənsɪ / n (pl-cies). BEAT FREQUENCY: "The beat frequency equals absolute value of the difference in frequency of the two waves. Menu. It is also referred . It is also referred to as temporal frequency, which emphasizes the contrast to spatial frequency and angular frequency. ) as a system of broadcasting is distinguished from amplitude modulation (or A. 05 second (i. The change in frequency is proportional to the change in stiffness, which is proportional to the severity of the defect. Just divide the speed of light by whichever measurement you have and then you've got the other. frequency… See the full definition. 1 a small mark on a surface, such as a circular patch or stain, differing in colour or texture from its surroundings. fre·quen·cies 1. Frequency is the number of occurrences of a repeating event per unit of time. a frequency in the range 20 hertz to 20 000 hertz. There are several concepts involved, such as spread spectrum modulation and switching frequency according to a known standard. f = 300/w The frequency of a wave is the number of wave crests passing a point per unit time. noun. n. 1 mass noun The rate at which something occurs over a particular period of time or in a given sample. Energy is the potential of a physical system to perform work. Video Examples: How to Figure Out a Frequency Table in Math : College Math . The use of higher frequencies is desirable because of the smaller antenna size, the improved directional effect of the antennae, and the broader available frequency spectrum. The number of flights by a given airline or other carrier on a given route during a given period of time. Your sampled signal defines the basic parameters for the FFT: the lowest frequency is the one defined by the period of the whole sample set, the highest frequency as well as the frequency is given A frequency polygon of the cumulative frequency or the relative cumulative frequency. Your signal, however, contains components at 50 Hertz and 100 Hertz, which are well above the maximum. iCoachMath is a one stop shop for all Math queries. 0 average words/file. The number of frequency points or lines or bands in the power spectrum is N RECORD /2, where N RECORD is the number of signal points captured in the time domain. frequency. (Statistics) a. the number of occurrences of a periodic or recurrent process in a unit of time, such as the number of electrical cycles per second measured in hertz. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. With the use of antennas and transmitters, an RF field can be used for various types of wireless broadcasting and communications. In statistics, frequency is the number of times an event occurs. Frequency is the number of times a value, value range or event occurs in gathered data. On the right is a heartbeat with a frequencygene frequency. The wavelength is a property of a wave that is the distance between identical points between two successive waves. High-frequency trading - HFT is a program trading platform that uses powerful computers to transact a large number of orders in fractions of a second. plural frequencies. YourDictionary definition and usage example. 30 to 300 kilohertz. Dictionary:Frequency lists/Project Gutenberg 90001-100000 Appoximately 24,197 files, 1,712,082,956 words, 70,756. The frequency of a wave is the number of wave crests passing a point per unit time. At the beginning, i am defining my parameter, afterwards using my wav file and then applying the stft. Frequency is a property of a wave. Frequency is defined as the number of times that a customer has made a purchase from you. SPSS Tutorials Defining Variables Search you cannot change the missing values using the Define Variables Properties window. High-frequency trading - HFT is a program trading platform that uses powerful computers to transact a large number of orders in fractions of a second. What is BEAT FREQUENCY? Phenomenon which can be heard when two sound waves of different frequency approach human ear: constructive and destructive interference leads to alternation of soft and loud sound. How Do You Measure Frequency of Purchase? by Arthur Middleton Hughes. 3. Frequency of Bullying. A website or mobile site that refreshes its content continuously throughout the day (such as a news site) may see a higher visit frequency than sites with more static content. 05 second/wavelength = 1), while a sound wave of 20 kilohertz would have a period of 0. The property or condition of occurring at frequent intervals. DEFINITION of 'Frequency Distribution'. techopedia. Frequency is also measured in kilohertz (kHz, or 1,000 Hz), megahertz (MHz, or 1,000 kHz), gigahertz (GHz, or 1,000 MHz), or terahertz (THz, or 1,000 GHz). I. SECULAR TREND. Definition: A Frequency array is an array of frequencies according to variate values, that is to say, a frequency distribution. Chapter 181 Dysuria, Frequency, and Urgency. The number of times a given event occurs at specified sample points during a defined period. Example 1 When describing a moving wave, Frequency, Electrical. Unfortunately, current technology does not allow for such perfection. Mar 11, 2019 · A frequency spectrum is a scientific method of plotting and classifying electromagnetic waves as they occur in space and in the everyday environment. Frequency's units are per second, written s -1 or hertz, Hz. Wavelength will be in μm. There are two types high frequency trading. (countable) The quotient of the number of times n {\displaystyle n} a periodic phenomenon occurs over the time t {\displaystyle t} in which it occurs: f = n / t {\displaystyle f=n/t} . (noun) An example of wavelength is the distance between the crest of two waves. A frequency histogram is a bar graph that uses vertical columns to visually show frequencies, which is how many times a score occurs. An easy way to get started is utilizing the F. “frequency” in American English. e. Regular smokers smoke once a day or every other day. FATIGUE STUDIES. " From the straight frequency count, the current copy of Wiktionary was then removed from that list. The signal on which data is imposed is known as Ofteness. Illustrated definition of Frequency: How often something happens (usually during a period of time). YES-NO JUDGMENT TASK. g. Frequency Distribution. Cumulative Frequency Distribution Definition Technically, a cumulative frequency distribution is the sum of the class and all classes below it in a frequency distribution. For a sinusoidal alternating current the concept Definitions (2) 1. Frequency and Period of a Wave. resolution. . An array of or reference to a set of values for which you want to count frequencies. JOIN MWU Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW. , frequency = 1/period = 1/(time interval). There are two sources of federally collected data on youth bullying: The 2015 School Crime Supplement - PDF (National Center for Education Statistics and Bureau of Justice Statistics) indicates that, nationwide, about 21% of students ages 12-18 experienced bullying. You can complete the definition of frequency given by the English Definition dictionary with other English dictionaries: Wikipedia, Lexilogos, Oxford, Cambridge, Chambers Harrap, Wordreference, Collins Lexibase dictionaries, Merriam Webster Frequency and Frequency Tables. That is, any pendulum has a natural number of swings for any period Definition. complete information about the frequency, definition of an frequency, examples of an frequency, step by step solution of problems involving frequency. In mathematical terms, the frequency is the number of complete vibrational cycles of a medium per a given amount of time. Most waves of 8 Hz and higher frequencies are normal findings in the EEG of an awake adult. statistics the number of individuals in a class (absolute frequency) the ratio of this number to the total number of individuals under survey (relative frequency) ecology the number of individuals of a species within a given area. A frequency histogram is used to visualize process outputs in order to measure the performance of a business or manufacturing process, and to identify opportunities for process improvement. It is one component of the basic F. Let's say you are in a class with 100 people, and you have just taken a test. As Play won't spawn a new job while the current one is working if you have enough tasks this one job will serve all. Execution trading is when an order (often a large order) is executed via a computerized algorithm. the frequency of automobile accidents. How to define frequency of a job in application by users? that would have been to easy without a but) I would like users to define their backup frequency in application. While resonant frequencies are most often applied to vibrations, they are also related to other sorts of natural frequencies, all based on the physical structure of an object. Chiasma frequency is calculated by, Here, f c is the chiasma frequency, f r is recombination frequency. Frequency distribution is a simple (basic, not necessarily easy) type of statistic that people often make into a much bigger deal than it really is. This theory of how we hear sounds states that there are pulses that travel up the auditory nerve, carrying the information about sound to the brain for processing, and that the rate of this pulse matched the frequency of whatever tone you are hearing exactly. Definition: Frequency Marketing. Light is an electromagnetic wave, and the sound of the fan in your computer is a sound wave. Frequency is one way to define how fast a wave moves. A frequency response, which can often be displayed on a graph as a curve, describes how a device responds to sound across a range of frequencies. All that means is you’re adding up a value and all of the values that came before it. JOIN MWU Gain access to thousands of Define relative frequency. Waves with a frequency of 7 Hz or less often are classified as abnormal in awake adults, although they normally can be seen in children or in adults who are asleep. The term “frequency” is used in mathematical statistics to designate the number of elements of a set that have a specified attribute. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Definition: This concept applies to any waveform, ranging from radio spectrum frequencies to earthquakes. It may split the order into smaller pieces and execute at different times. Definition of FREQUENCY: Number of any given species in an area, or percentage of sample squares containing the species,A frequency is the number of times a given datum occurs in a data set. The hertz measurement, abbreviated Hz, is the number of waves that pass by per second. The frequency response is the relationship between the system input and output in the Fourier Domain. Frequency, also called wave frequency, is a measurement of the total number of vibrations or oscillations made within a certain amount of time. In our example above, the number of hours each week serves as the categories and the occurrences of each number are then tallied. The most common unit of frequency is the hertz , corresponding to one crest per second. . The method includes varying the frequency of the carrier wave on which useful information is imposed or impressed upon. the frequency of occurrence or proportions of different alleles of a particular gene in a given population. Occasional would be someone who doesn't smoke very often, maybe just when someone else offers to smoke their weed with them. In other words, at 20 Hz, a certain input signal level may produce 100 dB of output. w = 300/f. The frequency of a wave is the number of waves that pass by each second, and is measured in Hertz (Hz). An example of a cutoff frequency is a frequency above where a radio stops working. Whereas 1 Hz is 1 cycle per second, 1 Bq is 1 aperiodic radionuclide event per second. Hertz and per second are identical units, i. In this method, the signal is imposed or 'imprinted' on a carrier wave whose frequency increases or diminishes with A frequency distribution is commonly used to categorize information so that it can be interpreted quickly in a visual way. The total recordable injury frequency rate (TRIFR), or total recordable injury rate, is the number of fatalities, lost time injuries, substitute work, and other injuries requiring treatment by a medical professional per million hours worked. Full Answer. Most frequency tables contain three columns and between five and ten rows. S. So, the earth rotates at a frequency of 365 revolutions on its axis per year. Definition of FREQUENCY SCHEDULE: Maintenance timetable. ". If you are considering damped vibrations made by a body then you might consider friction. ‘The next goal is to increase frequency, particularly at peak periods. Frequency Analysis is an important area of statistics that deals with the number of occurrences (frequency) and analyzes measures of central tendency, dispersion, percentiles, etc. "Definition of FREQUENCY". Definition of frequency the number of observations in a given statistical category; the ratio of the number of observations in a statistical category to the total Cumulative Frequency : Cumulative frequency of a particular value in a table can be defined as the sum of all the frequencies up to that value (including the value itself). A 2. Frequency (Hertz) equals the number of waves that passes a given point per second. A sound wave of this frequency would be audible to the human ear. The beat frequency is equal to the absolute value of the difference in frequency of the two waves. Jan 31, 2019 · How to Calculate Frequency. After any form of exercise is performed your body completes a process of rebuilding and repairing. Frequence definition is - frequency. A wave is a vibration that carries energy with it. Errors were occurring with increasing frequency. Frequency Table. Note 3: At resonance the inductive reactance and the capacitive reactance are of equal magnitude. Example 1 When describing a moving wave,Definition Of Frequency. The method is used as an aid to breaking classical ciphers. 4 million words. with alarming frequency • They changed with alarming frequency and ranged from the sweet to the sadistic. The lost time injury frequency rate (LTIFR) is calculated using two pieces of essential information: the LTI within a given time frame, and the amount of hours worked in that time frame. Oct 06, 2017 · Frequency (Hertz, Hz) is a key characteristic used to define normal or abnormal EEG rhythms. The number of occurrences of a particular item. e. On the right is a heartbeat with a frequencyFrequency Analysis is a part of descriptive statistics. Example 1 When describing a moving wave, Definition of Frequency. Word of the Day. Frequency definition, the state or fact of being frequent; frequent occurrence: We are alarmed by the frequency of fires in the neighborhood. your Threshold frequency is defined as the minimum frequency of incident light which can cause photo electric emission i. Frequency distribution. frequency. The lost time injury frequency rate (LTIFR) is calculated using two pieces of essential information: the LTI within a given time frame, and the amount of hours worked in that time frame. [uncountable] the number of times that something happens during a period of time frequency of: Changes in sea temperature will increase the frequency of hurricanes. frequency meaning: 1. In the context of advertising, the number of times a person is exposed to an advertisement or the number of times an advertisement is repeated through a specific medium over a specific time period. Who either doubts the enormity of drunkenness or its frequency? On the other hand, his original view of it reasserted itself with frequency. How to use frequency in a sentence. 2 a geographical area that is restricted in extent. For light and other electromagnetic radiation , it is related to wavelength λ by ν = c /λ, where c is the speed of light. or presence of symptoms for greater than 7 days define a population of women at risk for subclinical pyelonephritis. more A table that lists a set of scores and their frequency (how many times each one occurs) See: Frequency Histogram. Given this definition, it is reasonable that the quantity frequency would have units of cycles/second, waves/second, vibrations/second, or something/second. For other great tutorials and more, check out the links Define allele frequency. frequency · 1 the number of occurrences within a given time period (usually 1 second); "the frequency of modulation was 40 cycles per second" [syn: frequence, oftenness] · 2 the ratio of the number of observations in a statistical category to the total number of observations [syn: relative frequency] · 3 the number of observations in a given Relative Frequency. a sound wave of high frequency waves having very different frequencies from one another a current having a frequency of 60 hertz a radio frequency of 30 …Define frequency. Frequency is the number of occurrences of a repeating event per unit of time. Frequency is the rate at which something moves or occurs, usually in a repeated fashion. The IRS allows any payroll frequency as long as it is consistent, but individual states may have specific limits on time or type of occupation when it comes to pay periods Known as the frequency of the sound wave, the number of wavelengths passing per second is traditionally measured in hertz or kilohertz and is represented by f. Frequency is one way to define …Illustrated definition of Frequency: How often something happens (usually during a period of time). from which were gleaned about 9,053,310 unique "words. Therefore, the sounds you hear have waves that occur anywhere from 20 to 20,000 times per second. The frequency of a particular data value is the number of times the data value occurs. SINCE 1828. Definition The frequency range and resolution on the frequency axis of a spectrum graph depends on the sampling rate and the size of the data record (the number of acquisition points). "Definition of PERIOD". Often called gene frequency. Frequency is the number of events per unit of time where an event is repeating at regularly spaced time intervals. The frequency of a wave can be calculated by dividing the speed of the wave by the wavelength. A wave with high frequency means it occurs more rapidly or …Frequency describes the number of waves that pass a fixed place in a given amount of time. the frequency for three would be one the frequency for four Now frequency of movement, average daily price variation, and range of price movements are matters of fundamental importance to the public. The other element of the equation is the standardized rate, that is to say, there are X number of LTIs per a set amount of time. the number of occurrences of a particular event or the number of members Frequency is important in wireless communications, where the frequency of a signal is mathematically related to the wavelength. The ratio of the number of times an event occurs in a series of trials of a chance experiment to the number of trials of the experiment performed. For a sinusoidal alternating current the concept of angular frequency A harmonic frequency is a regular and repeating multiple of an original wave pattern, known as a fundamental frequency. A frequency in hertz can be converted to an angular frequency by multiplying it by 2π. The definition of frequency is how often something happens. …Cumulative Frequency Distribution Definition Technically, a cumulative frequency distribution is the sum of the class and all classes below it in a frequency distribution. principles that guide us in creating and changing workout programs. Light is measured by its wavelength (in nanometers) or frequency (in Hertz). The SI unit for frequency is the Hertz (Hz), which is equivalent to the older unit cycles per second (cps). Information. The electricity of an AC wall outlet is said to have a frequency of 60 Hertz as it cycles negative then positive 60 times each second. By the Nyquist Sampling Theorem, the maximum frequency that you can represent without aliasing is Fs/2 or approx 20 Hertz. Define allele frequency. The occurrence rate of aperiodic or stochastic events is expressed in reciprocal second or inverse second (1/s or s −1) in general or, in the specific case of radioactive decay, in becquerels. The period is the duration of time of one cycle in a repeating event, so the period is the reciprocal of the frequency. Each entry in the table contains the frequency or count of the occurrences of values within a particular group or interval, and in this way, the table summarizes the distribution of values in the sample. ’. A similar and perhaps more basic concept than the product of time and frequency spreads is the relationship between spectral bandwidth and rise time of a system response function. Frequency's units are per second, written s -1 or hertz, Hz. Number of households exposed to a broadcast media schedule (reach) multiplied by the number of time they are exposed (frequency). A frequency table is a mathematical graph that identifies the number of times pieces of data occur in a given sequence. The frequency at which the advertisements are shown depends on the product, competitor’s strategy, target audience and the demand in the market. Theft claim frequency – CLEAR The relative index based on the frequency of theft claims (that is, the number of claims reported as a percentage of the number of vehicles with Comprehensive coverage). For meter-based PMs, the generation criteria is based on metered asset usage since the target start date or completion date of previous work. The complex valued permittivity of gold at THz regime, Volume/Intensity/Frequency Relationship in Strength Training yet couldn’t quite put my finger on it and define the problem in precise analytical terms. If f is the frequency of an electromagnetic field in free space as measured in megahertz, and w is the wavelength as measured in meters, then. Definition of . The distance between one crest (or trough) of one wave and the next is the wavelength of the wave. Frequency of Bullying There are two sources of federally collected data on youth bullying: The 2015 School Crime Supplement - PDF (National Center for Education Statistics and Bureau of Justice Statistics) indicates that, nationwide, about 21% of students ages 12-18 experienced bullying. 783 7,379 178,100 0. There are a few different ways to calculate frequency based on theViews: 963KWhat is Radio Frequency (RF)? - Definition from Techopediahttps://www. Example. The corresponding frequency will be in the "frequency" field in GHz. A frequency count is a measure of the number of times that an event occurs. frequency [fre´kwen-se] 1. How radio frequency works. The frequency of the visits was what annoyed him. The frequency of that wave motion, then, is one wave per second. Related to frequency: frequency modulation, Sound frequency F A symbol appearing next to a stock listed on NASDAQ indicating that the stock belongs to a foreign company. This may result in the collapse of the bridge. To compute relative frequency, one obtains a frequency count for the total population and a frequency count for a subgroup of the population. Keith Wrenn. if the data was 1,1,1,3,4,4,5. Under recommended conditions, vaccines should cause no adverse events and completely prevent the infection that they target. ‘an increase in the frequency of accidents due to increased overtime’. the number of times something happens within a particular period, or the fact of something happening often or a large number or times: 2. all the genes and their alleles in an interbreeding population. Frequency describes the number of waves that pass a fixed place in a given amount of time. Similarly, the company may indulge in giving discounts to their frequent consumers (for example, frequent flying programs, discounts on series buying etc. define frequency In fact, they are almost identical except that frequency polygons can be used to compare sets of data or to display a cumulative frequency distribution. The frequency spectrum of an electrical signal is the distribution of the amplitudes and phases of each frequency component against frequency. When a table shows frequency counts for a categorical variable, it is called a frequency table Below, the bar chart and the frequency table display the same data. 2. (pronounced as separate letters) Short for radio frequency identification, RFID is a technology similar in theory to bar code identification. relative frequency synonyms, relative frequency pronunciation, relative frequency translation, English dictionary definition of relative frequency. Frequency can be used to measure the rate of waves, such as sound waves, radio waves, and light waves. Feb 15, 2019 Here is the definition of frequency as the term is used in science and examples of frequencies. 1 s-1 = 1 Hz. (ac) frequency must be held within tight tolerance bounds. The standard unit of frequency is the hertz, abbreviated Hz. Frequency describes the number of waves that pass a fixed place in a given So if the time it takes for a wave to pass is is 1/2 second, the frequency is 2 per Frequency definition is - the fact or condition of occurring frequently. Also answering questionsFREQUENCY(data_array, bins_array) The FREQUENCY function syntax has the following arguments: Data_array Required. At 1 kHz, that same input level may produce 102 dB …Payroll frequency (or pay frequency) determines how often employees are paid (i. The rate at which electric energy 1. the alarming frequency of serious automobile accidents caused by young drivers The frequency of student errors was frustrating to the young teacher. See more. Page 17 Workers’ Compensation: What about frequency? Example — countrywide frequency trend Determination of loss per payroll for BF method Accident Year Trended Ultimate Loss (No Freq Consideration) Frequency Trend Trended Ultimate Loss Trended Payroll Loss per Payroll 2000 10,817 0. Dictionary:Frequency lists/Project Gutenberg 90001-100000 Appoximately 24,197 files, 1,712,082,956 words, 70,756. : the fact or condition of occurring frequently. 0 average words/file. The frequency with which the Moon revolves around Earth is slightly more than 12 cycles per year. Different methods available for “frequency regulation” include generator inertia, adding and subtracting generation assets, dedicated demand 1. Frequency is how often an event repeats itself over a set amount of time. Frequency describes the number of waves that pass a fixed place in a given amount of time. Audible sound waves have a frequency of roughly 20 Hz to 20,000 Hz (20 kilohertz). An example of frequency is a person blinking their eyes 47 times in one minute. reach and frequency (R/F) Definition + Create New Flashcard; Popular Terms. Subscribe to the channel to watch the whole series. Let's say you are in a class with 100 people, and you have just taken a test. So if the time it takes for a wave to pass is is 1/2 second, the frequency is 2 per second. Definition Of Frequency. Restriction on the amount of times a specific visitor is shown a particular advertisement. A wave with high frequency means it occurs more rapidly or often and is also considered shorter. You can think of it as how quickly the waves are travelling. (Science: physics) The number of occurrences of a periodic or recurrent process per unit time, for example the number of vibrations of a particle per second or the number of repetitions of a complete wave form (cycles) per second . A blue moon occurs when there is a full moon twice in the same month, an unusual event, but one that takes place from time to time. This same basic idea of physically determined natural frequencies applies throughout physics in mechanics, electricity and magnetism, and even throughout the realm of modern physics. Write these adverbs of frequency on the board next to a list of the days of the week. Frequency - The number of times a service is provided over a given time period. ". We are surrounded by waves every day. Further, if selection is taking place phenotype will tend to A frequency polygon is very similar to a histogram. the frequence of that cough is worrisome; perhaps you should see a doctor Recent Examples on the Web Wiseman's frequence collaborator, cinematographer John Davey, will also be a guest of Camerimage. Resonance. Frequency, in physics, the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion. Let us make the frequency table of the given figure of flowers. Frequency is usually measured in hertz (Hz), with 1 Hz equaling 1 occurrence (cycle) per second. The number of occurrences of a particular item in a set of data is called Frequency. Frequency is the number of complete wavelengths (also known as cycles) that occur within a specific time. frequency of • There is a higher frequency of diabetes in older people. The human ear cannot hear very high-frequency sounds. : 17–19 The relative frequency (or empirical probability) of an event is the absolute frequency normalized by the total number of events: = = ∑. Illustrated definition of Frequency Distribution: A table that lists a set of scores and their frequency (how many times each one occurs) Sign In. the proportion of the range of a random variable taking a given value or lying in a given interval. OR enter the frequency in gigahertz (GHz) and press "Calculate λ and E" to convert to wavelength. For example, if you conduct a survey of your employees to see how happy they are at their jobs Microprocessor frequency specifies the operating (internal) frequency of CPU's core. Beats. Frequency : The number of times a particular value occurs in the set of values. Basically, keys keep people name and the values keep salary. If the fundamental wave is set at 500 hertz, it experiences a first harmonic frequency at 1000 hertz, or double the fundamental frequency. Urinary urgency implies inflammation, often involving the trigone and posterior urethra. The program is designed to get the best possible price. Department of Energy and a network of International Partners & Sponsors. the property of sound that varies with variation in the frequency of vibration Search frequency and thousands of other words in English definition and synonym dictionary from Reverso. ADVERTISING MANAGEMENT SUBMITTED BY, LAISEMON K. In physics, the frequency of a wave is the number of wave crests that pass a point in one second (A wave crest is the peak of the wave). 05 seconds? Answer: If this frequency matches with the natural frequency of the bridge then it will cause resonance and the bridge will vibrate with a large amplitude. I. Frequency is the number of events per unit of time where an event is repeating at regularly spaced time intervals. Frequency rox0rz my box0rz, if only people named Nolan were as cool as him by VonCorn March 04, 2005. Emphasize on the bold words. , weekly, bi-weekly, semi-monthly, monthly). Frequency Hopping (FH) is widely used for example in GSM Networks, so let's understand a little more about it today. The cumulative frequency is the total of the absolute frequencies of all events at or below a certain point in an ordered list of events. Our visits decreased in frequency. For instance, a person who just saw a movie about sharks might start seeing the word "shark" everywhere. Frequency. In the data set faithful, the frequency distribution of the eruptions variable is the summary of eruptions according to some classification of the eruption durations. The frequency of a steadily recurring phenomenon expressed in radians per second. Wavelength and frequency. In this case, the permittivity (frequency-dependent) of the gold antenna becomes complex valued. FREQUENCY: "Frequency is the number of time that a signal repeats over a set time. The sound is transmitted into the ground and the natural frequency of vibration is determined by …Definition of frequency modulation (FM): Method of broadcasting electrical signals that cannot travel very far on their own. Frequency, in physics, the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a Dec 27, 2011 The definition of Frequency defined and explained in simple language. By the Nyquist Sampling Theorem, the maximum frequency that you can represent without aliasing is Fs/2 or approx 20 Hertz. Define frequency. The relative frequency for the subgroup is: The above equation expresses relative frequency as a proportion. T. The goal of any marketing or advertising plan is to influence human behavior in a way that will include the perception of a brand, an idea, or issue that will entice or motivate them to act. The vertical axis the cumulative frequency or relative cumulative frequency. • Students will be able to describe how pitch and frequency are created. Here are all the possible meanings and translations of the word frequency management. GAMES;Define relative frequency. the alarming frequency of serious automobile accidents caused by young drivers The frequency of student errors was frustrating to the young teacher. To support the finding of the total-data frequency table, 50 individual-data frequency tables were created for each child. • Students will be able to define the term frequency. We can define Frequency Hopping as a communication scheme between a transmitter and a receiver. In this section, we show that the frequency response of any LTI filter is given by its transfer function evaluated on the unit circle, i. In cardiac pacing terminology, frequency is expressed by …Illustrated definition of Frequency Distribution: A table that lists a set of scores and their frequency (how many times each one occurs) Show Ads. Source Frequency Distribution Frequency distribution is a simple (basic, not necessarily easy) type of statistic that people often make into a much bigger deal than it really is. Frequency is used to define cyclical events based on a standardized unit of measure such as the International System of Units, e. There are a few different ways to calculate frequency based on the Now I want to know how to define cyclic frequency suppose alpha for the above signal in terms of signal parameters. The total of the frequency column, 20, represents the total number of students included in the sample. The period or duration of time of a cycle of a wave is the reciprocal (1 divided by) of frequency. Frequency / Wavelength / Energy Calculator To convert wavelength to frequency enter the wavelength in microns (μm) and press "Calculate f and E". You Also Might Like • LOW FREQUENCY (noun) The noun LOW FREQUENCY has 2 senses: 1. Definition of Frequency. In radio electronics, frequency modulation (1922, abbreviated F. Workers compensation losses normally have a high frequency as do automobile collision losses. Mathematics & Physics The number of times a specified periodicIn general, the frequency is the reciprocal of the period, or time interval; i. The frequency response of an LTI filter may be defined as the spectrum of the output signal divided by the spectrum of the input signal. Mathematics & Physics The number of times a specified periodic In general, the frequency is the reciprocal of the period, or time interval; i. com/definition/5083/radio-frequency-rfRadio Frequency (RF) Definition - What does Radio Frequency (RF) mean? Radio frequency (RF) refers to the rate of oscillation of electromagnetic radio waves in the range of 3 kHz to 300 GHz, as well as the alternating currents carrying the radio signals. It is related to a term used in physics called Resonance. Frequency, Electrical the time parameter of a periodically (cyclically) varying electric current, expressed by the ratio of the number of complete cycles of current variation to unit of time; the quantity is the inverse of the period of current variation. In cardiac pacing terminology, frequency is expressed by the formula: frequency = ½ × pulse width. frequency of oscillation x wavelength = speed of light We can use this relationship to figure out the wavelength or frequency of any electromagnetic wave if we have the other measurement. Frequency Polygon. Actually calculating the frequency of various transmissions can be a complex science and usually …Frequency hopping spread spectrum (FHSS) is a method of transmitting radio signals by shifting carriers across numerous channels with pseudorandom sequence which is …3. Definition of frequency in English: frequency. Definition of frequency the number of observations in a given statistical category; the ratio of the number of observations in a statistical category to the total Definitions for frequency management fre·quen·cy man·age·ment. Hence for practical purposes we require several kinds of measurement of price movements, and it is impossible to weigh exactly the one against the other in respect of importance. Chiasma frequency is considered as the calculation of the level of genetic recombination of a population. wavelength definition: Wavelength is the distance between the crests of waves or a person's general attitude. Frequency of occurrence. OpenEI is developed and maintained by the National Renewable Energy Laboratory with funding and support from the U. FREQUENCY ANALYSIS. The definition of frequency is how often something happens. Driving frequency is the frequency of the driving force. Learn about a frequency table definition for kids with help from an Resonance. More generally, how often something happens. RFID SystemsFrequency Response is the Frequency Range versus Amplitude. As this distance decreases, each bar casts a larger image; as a result, the grating's spatial frequency decreases as the distance decreases. the term that is used to describe the number of repetitions of a periodic signal or event. Frequency Analysis is a part of descriptive statistics. Recombination frequency is given by. Radio frequency is measured in units called hertz, which represent the number of cycles per second when a radio wave is transmitted. One hertz equals one cycle per second; radio waves range from thousands (kilohertz) to millions (megahertz) to billions (gigahertz) of cycles per second. Your sampled signal defines the basic parameters for the FFT: the lowest frequency is the one defined by the period of the whole sample set, the highest frequency as well as the frequency is given Related to frequency: frequency modulation, Sound frequency F A symbol appearing next to a stock listed on NASDAQ indicating that the stock belongs to a foreign company. In worst case, they would have to choose between : weekly, daily, every 12 hours, every 6 hours, hourly; The frequency of this job is set to run every second. Frequency is a common response to emotional stress. (pronounced as separate letters) Short for radio frequency identification, RFID is a technology similar in theory to bar code identification. Visit frequency tells you how many people visit your site repeatedly within the same day (and how many repeat visits they make). A harmonic frequency is a regular and repeating multiple of an original wave pattern, known as a fundamental frequency. frequency composition definition, frequency composition meaning | English dictionary. Our Math dictionary is both extensive and exhaustive. What is the frequency of a wave with a time period of 0. "Defining frequency for meter-based preventive maintenance records You can define a frequency schedule for a meter-based preventive maintenance (PM) record to specify how often work orders are generated from it. This acronym stands for Frequency, Intensity, Time and Type. The result indicates total potential audience exposure in a given geographical area. : any of the electromagnetic wave frequencies that lie in a range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used for communications signals (as for radio and television broadcasting and cell-phone transmissions) or …Illustrated definition of Frequency: How often something happens (usually during a period of time). pl. Frequency is usually measured in hertz (Hz), with 1 Hz equaling 1 occurrence (cycle) per second. Waves can move in two ways. ADVERTISING MEDIA An advertising medium is the vehicle used to carry the advertising message from the sender to the intended receiver. Definition of frequency ranges. the state of being frequent; frequent occurrence; the number of times that an event occurs within a given period; rate of recurrence; the number of times that a periodic function or vibration repeats itself in a specified time, often 1 second. Usually it is expressed as a proportion or a percentage. For an oscillating or varying current frequency is the number of complete cycles per second in alternating current direction The standard unit of frequeDec 9, 2018 Computer dictionary definition of what frequency means, including related links, information, and terms. Definition of Frequency. a beauty spot. Synonyms for frequency. Frequency's units are per second, written s-1 or hertz, Hz. Adverse events: Frequency and severity. There is an inverse relation between a wave’s frequency and its period, such that. Stretch receptors in the bladder and posterior urethra subserve reflexes responsible for the urge to void. A frequency distribution is a tabular form of statistics. define frequencyFrequency is the number of occurrences of a repeating event per unit of time. In cardiac pacing terminology, frequency is expressed by the formula: frequency = ½ × pulse width. frequency The number of cycles or repetitions of a periodic wave or signal per unit time. Popular Terms. Earlier it had been used in a now-obsolete sense of "state of being crowded" (mid-16c. The frequency distribution of a data variable is a summary of the data occurrence in a collection of non-overlapping categories. Example of Frequency. FORCED-CHOICE TEST. Dysuria is any discomfort associated with urination. Frequence definition is - frequency. › physics [ C ] the number of times that a wave is produced within a particular period, esp. Frequency is the number of times a point on a wave passes a fixed reference point in one second. the time parameter of a periodically (cyclically) varying electric current, expressed by the ratio of the number of complete cycles of current variation to unit of time; the quantity is the inverse of the period of current variation. Re: Define Frequency Rules 428652 May 2, 2007 9:46 PM ( in response to 458640 ) Hi, There are many ways to setup this element. The term “array” is often used for the individual frequency distributions which form the separate rows and columns of a bivariate frequency table. Please note that treble starts at 1. Natural frequency is the word used in absence of friction of atmosphere. One wavelength equals the distance between two successive wave crests or troughs. the percentage of quadrats that contains individuals of a species. That Question: Define frequency. In that case, the frequency will slow. For an oscillating or varying current, frequency is the number of complete cycles per second in alternating current direction. It is measured in hertz (Hz). If a current completes one cycle per second, then the frequency is 1 Hz; 60 cycles per second equals 60 Hz Frequency. Also answering questionsFrequency is the number of events per unit of time where an event is repeating at regularly spaced time intervals. A graph that displays measurements of a process output based on frequency of occurrence. Definition of frequency noun in Oxford Advanced Learner's Dictionary. All forms of wave motion have some frequency associated with them. an official decision that is made after a group or organization has voted iCoachMath. a pitch that is perceived as below other pitches. When two sound waves of different frequency approach your ear, the alternating constructive and destructive interference causes the sound to be alternatively soft and loud - a phenomenon which is called "beating" or producing beats. 00 Chapter 181 Dysuria, Frequency, and Urgency. To prevent frequency is how often a number or other piece of data occurs. Definition of frequency. of repetition of a cyclical or regular event, measured in 'hertz' or cycles per second. For example, if you conduct a survey of your employees to see how happy they are at their jobs Introducing adverbs of frequency can help give them further expressive capabilities by allowing them to speak about how often they perform daily tasks. A body in periodic motion is said to have undergone one cycle or one vibration after passing through a series of events or positions Definition of frequency - the rate at which something occurs over a particular period of time or in a given sample, the rate per second of a vibration const relative frequency. In cryptanalysis, frequency analysis is the study of the frequency of letters or groups of letters in a ciphertext. Number of occurrences of a …The frequency of this job is set to run every second. You typically only worry about "driven" oscillations when there is some sort of damping force--an undamped simple harmonic oscillator would simply increase its amplitude He chose to define and by second moments. Known as the frequency of the sound wave, the number of wavelengths passing per second is traditionally measured in hertz or kilohertz and is represented by f. Frequency information can also be defined in a master task card and then propagated to associated task cards. coils, b) a base station mounted in a portable 19" rack drawer, which contains the frequency stabilized laser and all optics, and c) the frequency locking electronics. The period is the duration of time of one cycle in a repeating event, Define Frequency. The higher the frequency is for a given CPU family, the faster the processor is. The period for the wave motion is the inverse of the frequency, or one second per wave. Can someone post a frequency range for the spectrum of lows, mids and highs that could help me find appropriate breakpoints to define lower mids from upper mids in Hz or kHz. While setting up vibrations at other frequencies is possible, they require much more energy and constant input to maintain than a resonance frequency. The teacher then tells you that on the test, there were 20 …Urban Dictionary and our advertising partners set cookies on your computer to improve our site and the advertisements you see. After a frequency histogram is constructed then the scores at the top-middle of each column are connected by a line- this is a frequency polygon. In addition, histograms tend to be rectangles while a frequency polygon resembles a line graph. For a sinusoidal alternating current the concept of angular frequency Frequency, as it applies to exercise, refers to how many times a week you do cardio and strength training workouts. Frequency, as it applies to exercise, refers to how many times a week you do cardio and strength training workouts. then the frequency for one would be three. History and Definition of Frequency Analysis. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Frequency analysis is based on the fact that, in any given stretch of written language, certain letters and combinations of letters occur with varying frequencies. 751 8,129 163,190 0. fre·quen·cies 1. Frequency is measured in time where a repeated occurrence of something is described and the length of the duration of a cycle is determined. The frequencies of progressive waves or those that move forward indicate how fast a wave moves forward in units of cycles per unit time. The most troublesome part of speaker building is getting the 1-4 kHz range just right. low frequency radiation. 1 hertz is a frequency that describes cycles occurring at the rate of 1 per second. Reach, frequency & impact 1. I have a dictionary with a key and an item. Definition - What does Total Recordable Frequency (TRF) mean? Total recordable frequency (TRF) refers to the rate of repetition of all workplace related death, sickness and injuries that cause unconsciousness, limit work, movement, performance, result in job cessation, transfer to another job, or which require medical treatment or first aid. There is no problem with that. Frequency reuse is the process of using the same radio frequencies on radio transmitter sites within a geographic area that are separated by sufficient distance to cause minimal interference with each other. On the right is a heartbeat with a frequency Also found in: Dictionary, Thesaurus, Legal, Encyclopedia. In physics, the frequency of a sound wave or a radio wave is the number of times it vibrates within a specified period of time. PROGRESSIVELY DISTRIBUTED PROCESS. " From the straight frequency count, the current copy of Wiktionary was then removed from that list. Aug 15, 2012 · When defining the frequency table for kids, you're going to want to keep in mind the age of your students before you proceed. When choosing a pay frequency, employers must consider any state guidelines as well as the cost for the employer and the convenience for the employees. The 3dB point, or 3dB frequency, is the point at which the signal has been attenuated by 3dB (in a bandpass filter). The Macmillan Dictionary blog explores English as it is spoken around the world today. This is generally considered the point for determining the filter's bandwidth. Natural frequency is the number of vibrations executed by a body on being disturbed from its mean position by application of external force in vacuum or space. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Science. Therefore, L = 1/ C , where = 2 f , in which f is the resonant frequency in hertz , L is the inductance in henrys, and C is the capacity in farads when standard SI units are used. Resonant Frequency is a natural frequency generated by sound transmitting devices which are used for seismic studies. Definition. In electromagnetic radiation, frequency is usually expressed in units of hertz (Hz), where 1 Hz = 1 cycle per second. Frequency Theory. Processor frequency is not the only parameter that affects system perf Objectives: • Students will be able to define the term pitch. frequency noun (LIGHT/SOUND/RADIO) › [ U ] specialized physics the number of times that a wave, especially a light, sound, or radio wave, is produced within a particular period, especially one second: the frequency of light. Popular Terms. Wavelength may be measured from peak to peak or trough to trough of a wave. How often and at what time should what attention be given to what thing. What I want is that ordering items according to their frequency with the higher value. Frequency capping is often cited as a way to avoid banner burnout, the point where visitors are being overexposed and response drops. Sound is an …The number of occurrences of a particular item. The horizontal axis is the class boundaries. That way while there is information in the table, you should execute the request around as often as they are required. The key, therefore, is to minimize adverse events as much as possible and ensure a safe use of vaccines. ‘an increase in the frequency of accidents due to increased overtime’ frequency · 1 the number of occurrences within a given time period (usually 1 second); "the frequency of modulation was 40 cycles per second" [syn: frequence, oftenness] · 2 the ratio of the number of observations in a statistical category to the total number of observations [syn: relative frequency] · 3 the number of observations in a given Frequency is a measurement of how often a recurring event such as a wave occurs in a measured amount of time. "Oct 06, 2017 · Frequency (Hertz, Hz) is a key characteristic used to define normal or abnormal EEG rhythms. 1mass noun The rate at which something occurs over a particular period of time or in a given sample. the ratio of the actual number of favourable events to the total possible number of events; often taken as an estimate of probability. Frequency is used to measure all sorts of wavelengths, such as light waves, sound waves, and brain waves. Frequency: As you might expect, this refers to how often you will exercise. Frequency is the number of occurrences of a repeating event per unit time. City buses often reach stops at a frequency of every 15 minutes, unless it's snowing or raining really hard. Frequency modulation (FM) is a technique used to encode data on an alternating digital or analog signal. Frequency and Frequency Tables. medical Definition of radio frequency. With RFID, the electromagnetic or electrostatic coupling in the RF portion of the electromagnetic spectrum is used to transmit signals. It is an integral part of the trilogy called Recency, Frequency, Monetary (RFM) analysis that is used to predict customer response in direct marketing promotions. M. Usually frequency is measured in the hertz unit, named in honor of the 19th-century German physicist Heinrich Rudolf Hertz. The frequency of an event is the number of times it happens during a particular period. • We are concerned about the frequency of crime in the area. 1 s -1 = 1 Hz. Sound is an oscillating wave, but it has a broad range of frequencies. The definition of a cutoff frequency is a frequency level above or below where a device fails to operate. Get a Frequency mug for your coworker Callisto. Retrieved from "https: • The frequency of mining accidents has steadily decreased over the past 20 years. An Introduction to Sampling Theory Sometimes the highest frequency components of a signal are simply noise, or do not contain useful information. Configuring task frequency You define frequency intervals and thresholds, for example, when you want a task to become due every 500 flight hours or every 100 flight cycles, whichever occurs first. n a frequency in the range 20 hertz to 20000 hertz. 3 (Physics) the number of times that a periodic function or vibration repeats itself in a specified time, often 1 second. Dec 27, 2011 The definition of Frequency defined and explained in simple language. Describe what occurs in a population when evolution occurs. Familiarity information: LOW FREQUENCY used as a noun is rare. We have detailed definitions, easy to comprehend examples and video tutorials to help understand complex mathematical concepts. 00005 second/wavelength = 1). A frequency is the number of times a given datum occurs in a data set. For instance, a swing is a sort of pendulum, and all pendulums have a natural frequency. Extended Definition The IRS allows any payroll frequency as long as it is consistent, but individual states may have specific limits on time or type of occupation when it comes to pay periods. The tanks broke down with increasing frequency. Frequency definition is - the fact or condition of occurring frequently. T. The frequency of Kara's phone calls increased rapidly. ); sense in physics, "rate of recurrence," especially of a vibration, is from 1831. One completion of the repeating pattern is called a cycle. Hertz (symbol Hz) is the unit of frequency. Phenotypic frequency varies based on the rel … ative frequency of thevarious dominant and recessive alleles in the population. Video: What is a Frequency Table? - Definition & Examples - Definition & Examples In this lesson, learn what a frequency table is and view a few examples of situations in which frequency tables The frequency of Josh's lateness became very frustrating and affected his ability to get his work done in time, so I had to fire him. Frequency is how often an event repeats itself over a set amount of time. The bandwidth is defined as the difference between the upper and lower 3dB points. In this system, X(jω) is the system input, Y(jω) is the system output, and H(jω) is the frequency response. Frequency. In sound applications, a resonant frequency is a natural frequency of vibration determined by the physical parameters of the vibrating object. Synonyms and related words. The focus for this definition is sound, where the term is usually referenced to electronic amplifiers, microphones, loudspeakers, or other elements in a recording system. The requesting, recording, deconfliction of and issuance of authorization to use frequencies (operate electromagnetic spectrum dependent systems) coupled with monitoring and interference resolution processes. That frequency is defined as the number of wave crests (or troughs) that pass a given point per second. and conversely. The ratio of the number of times an event occurs in a series of trials of a chance experiment to the …1mass noun The rate at which something occurs over a particular period of time or in a given sample. The number of cycles per second (Hertz) (abbreviated as, hz) of anything that oscillates is called the "frequency". within one second: Dogs can hear very high frequencies. The frequency illusion (also known as the Baader-Meinhof phenomenon) is the phenomenon in which people who just learn or notice something start seeing it everywhere. Definition of Harmonic Frequency. Here in this code i am doing a stft on my wav-file. Relative Frequency. principle. The Great Soviet Encyclopedia, 3rd Edition (1970-1979). 28 kHz, not many realise this. The frequency of the A string of a violin is 440 vibrations or cycles per second. For a sinusoidal alternating current the concept of angular frequency Frequency modulation (FM) is a technique used to encode data on an alternating digital or analog signal. (Science: statistics) The number of members of a population the property of sound that varies with variation in the frequency of vibration For example, a sound wave with a frequency of 20 hertz would have a period of 0. Evolution occurs when the allele frequencies change over generations in a population. , 20 wavelengths/second × 0. Also found in: Dictionary, Thesaurus, Legal, Encyclopedia. Let's make a Frequency table of Because spatial frequency is defined in terms of visual angle, a grating's spatial frequency changes with viewing distance. The period is the duration of time of one cycle in a repeating event, By the Nyquist Sampling Theorem, the maximum frequency that you can represent without aliasing is Fs/2 or approx 20 Hertz. Define: Reach and Frequency is a marketing strategy that basically weighs the elements of brand message frequency against estimated consumer reach. Here, N is the number of recombinants, N p is the total number of progeny. n a method of transmitting information using a radio-frequency carrier wave. The frequency of an event A is the ratio m/n of the number m of occurrences of A in a given series of trials to the total number n of trials. A measure of how common an allele is in a population; the proportion of all alleles at one gene locus that are of one specific type in a population. Third party Anyone who is not a party to an insurance contract is a third party. this frequency is just able to eject electrons with out giving them additional energy. A frequency distribution is commonly used to categorize information so that it can be interpreted quickly in a visual way. , . The second harmonic frequency occurs at 1500 hertz, which is triple the fundamental The frequency with which they change their encampments is another point. What Is the Definition of Resonant Frequency? Resonance frequencies are the natural frequencies at which it is easiest to get an object to vibrate. b. This is the frequency band that is used for communications transmission and broadcasting. Only moving waves which vary their positions with respect to time possess frequency. Since two Fridays never come together, this expression is usually used as a sarcastic quip when one is asked when he intends to do something of an onerous nature such as complete a project, Frequency is the number of occurrences of a repeating event per unit of time. Definition: Refers to computerized trading using proprietary algorithms. The intervals must be mutually exclusive and exhaustive, and the interval size depends on the data being analyzed and the goals of the analyst. 00005 second (20,000 wavelengths/second × 0