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frequency
(redirected from frequencies)

   Also found in: Medical, Legal, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
fre·quen·cy  (frkwn-s)
n. pl. fre·quen·cies
1. The property or condition of occurring at frequent intervals.
2. Mathematics & Physics The number of times a specified periodic phenomenon occurs within a specified interval, as:
a. The number of repetitions of a complete sequence of values of a periodic function per unit variation of an independent variable.
b. The number of complete cycles of a periodic process occurring per unit time.
c. The number of repetitions per unit time of a complete waveform, as of an electric current.
3. Statistics
a. The number of measurements in an interval of a frequency distribution.
b. 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.

[Latin frequentia, multitude, from frequns, frequent-, crowded, numerous, frequent.]

frequency [ˈfriːkwənsɪ]
n pl -cies
1. the state of being frequent; frequent occurrence
2. the number of times that an event occurs within a given period; rate of recurrence
3. (Mathematics) Physics the number of times that a periodic function or vibration repeats itself in a specified time, often 1 second. It is usually measured in hertz. Symbol ν, f
4. (Mathematics & Measurements / Statistics) Statistics
a.  the number of individuals in a class (absolute frequency)
b.  the ratio of this number to the total number of individuals under survey (relative frequency)
5. (Life Sciences & Allied Applications / Biology) Ecology
a.  the number of individuals of a species within a given area
b.  the percentage of quadrats that contains individuals of a species Also called (for senses 1, 2) frequence
[from Latin frequentia a large gathering, from frequēns numerous, crowded]

frequency  (frkwn-s)
1. Physics The rate at which a repeating event occurs, such as the full cycle of a wave. Frequencies are usually measured in hertz. Compare amplitude. See also period.
2. Mathematics The ratio of the number of occurrences of some event to the number of opportunities for its occurrence.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.frequency - the number of occurrences within a given time period; "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"
audio frequency, audio - an audible acoustic wave frequency
radio frequency - an electromagnetic wave frequency between audio and infrared
infrared, infrared frequency - the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared"
wave number - the reciprocal of the wavelength of a wave
attendance - the frequency with which a person is present; "a student's attendance is an important factor in her grade"
count per minute, counts/minute - frequency per minute
sampling frequency - (telecommunication) the frequency of sampling a continuously varying signal
rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"
2.frequency - the ratio of the number of observations in a statistical category to the total number of observations
ratio - the relative magnitudes of two quantities (usually expressed as a quotient)
incidence, relative incidence - the relative frequency of occurrence of something
3.frequencyfrequency - the number of observations in a given statistical category
cardinal number, cardinal - the number of elements in a mathematical set; denotes a quantity but not the order

frequency
noun recurrence, repetition, constancy, periodicity, commonness, frequentness, prevalence The cars broke down with increasing frequency.
Translations
frequency [ˈfriːkwənsɪ]
A. N (gen, Elec) → frecuencia f
this is happening with increasing frequencyesto está ocurriendo con cada vez mayor frecuencia
high/low frequencyalta/baja frecuencia
B. CPD frequency band Nbanda f de frecuencia
frequency distribution N (Statistics) → distribución f de frecuencia
frequency modulation Nfrecuencia f modulada

frequency [ˈfriːkwənsi] n
[occurrence] → fréquence f
the high frequency of sth → la fréquence élevée de qch
with increasing frequency (= more and more often) → de plus en plus souvent
to increase in frequency → être de plus en plus fréquent(e)
(PHYSICS) [sound wave] → fréquence f
frequency modulation nmodulation f de fréquence

frequency
nHäufigkeit f; (Phys) → Frequenz f; high/low frequencyHoch-/Niederfrequenz f

frequency:
frequency band
nFrequenzband nt
frequency distribution
nHäufigkeitsverteilung f
frequency modulation
nFrequenzmodulation f

frequency [ˈfriːkwənsɪ] nfrequenza
high/low frequency → alta/bassa frequenza
frequency [ˈfriːkwənsɪ] nfrequenza
high/low frequency → alta/bassa frequenza

frequency تردد častost hyppighed Häufigkeit συχνότητα frecuencia tiheys fréquence učestalost frequenza 頻発 빈도 frequentie hyppighet częstość frequência, freqüência частота frekvens ความถี่ sıklık tần số 频率


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? Mentioned in ? References in periodicals archive
 
23,24) The main features of LFF are: (1) the forces at low frequencies of stimulation are the most severely affected, (2) recovery of force is slow, taking hours or days, and (3) the effect persists in the absence of gross metabolic or electrical disturbance of the muscle.
6], respectively) are smaller than the uncertainties previously assigned to frequency dependence at these frequencies by a factor of five.
By addressing the specific requirements of higher operating frequencies, reduced power consumption and space saving packaging, Infineon's RF transistors using Sanyo's ECSP technology provide a perfect basis for future mobile communication and wireless internet standards such as 2.
 
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