Толковый словарь английского языка Oxford English Reference - frequency
Frequency
frequency
n. (pl. -ies) 1 commonness of occurrence. 2 a the state of being frequent; frequent occurrence. b the process of being repeated at short intervals. 3 Physics the rate of recurrence of a vibration, oscillation, cycle, etc.; the number of repetitions in a given time, esp. per second. Usage Abbr.: f. 4 Statistics the ratio of the number of actual to possible occurrences of an event. Phrases and idioms frequency band Electronics = BAND(1) 3a. frequency distribution Statistics a measurement of the frequency of occurrence of the values of a variable. frequency modulation Electronics a modulation in which the frequency of the carrier wave is varied. Usage Abbr.: FM. frequency response Electronics the dependence on signal-frequency of the output-input ratio of an amplifier etc. Etymology: L frequentia (as FREQUENT)
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1.
noun (plural -cies) Date: 1600 the fact or condition of occurring frequently, 2. the number of times that a periodic function repeats the same sequence of values during a unit variation of the independent variable, the number, proportion, or percentage of items in a particular category in a set of data, the number of repetitions of a periodic process in a unit of time: as, the number of complete alternations per second of an alternating current, the number of complete oscillations per second of energy (as sound or electromagnetic radiation) in the form of waves ...Толковый словарь английского языка
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