-
1 абсолютная девиация частоты
(абсолютная) девиация частоты
-
[IEV number 314-08-07]
девиация частоты
Наибольшее отклонение частоты модулированного сигнала от значения несущей частоты при частотной модуляции (ОСТ 45.159-2000.1 Термины и определения (Минсвязи России)).
[ http://www.iks-media.ru/glossary/index.html?glossid=2400324]EN
(absolute) frequency deviation
greatest difference between the instantaneous frequency of the frequency modulated wave and the average frequency of the carrier wave
[IEV number 314-08-07]FR
excursion (absolue) de fréquence
plus grande des différences entre la fréquence instantanée de l'onde modulée en fréquence et la fréquence moyenne de l'onde porteuse
[IEV number 314-08-07]Тематики
- измерение электр. величин в целом
- электросвязь, основные понятия
Синонимы
EN
DE
FR
Русско-французский словарь нормативно-технической терминологии > абсолютная девиация частоты
-
2 частотная модуляция
частотная модуляция
ЧМ
Модуляция синусоидального колебания путем изменения частоты в соответствии с амплитудными вариациями модулирующего сигнала.
[ http://www.vidimost.com/glossary.html]
частотная модуляция
-
[IEV number 314-08-02]EN
frequency modulation
process by which the frequency of a carrier wave is varied according to a specified law
NOTE – The result of this process is a frequency modulated signal.
Source: 702-06-37 MOD
[IEV number 314-08-02]FR
modulation de fréquence
opération par laquelle la fréquence d'une onde porteuse varie selon une loi spécifiée
NOTE – Le résultat de cette opération est un signal modulé en fréquence.
Source: 702-06-37 MOD
[IEV number 314-08-02]Тематики
- измерение электр. величин в целом
Синонимы
- ЧМ
EN
DE
FR
Русско-французский словарь нормативно-технической терминологии > частотная модуляция
См. также в других словарях:
frequency-modulated wave — moduliuotojo dažnio banga statusas T sritis fizika atitikmenys: angl. frequency modulated wave vok. frequenzmodulierte Welle, f rus. частотно модулированная волна, f pranc. onde modulée en fréquence, f … Fizikos terminų žodynas
frequency modulated — modulated modulated adj. (Electronics) 1. Having either amplitude, intensity, frequency, or phase altered at intervals to represent information to be transmitted; of the carrier wave of a radio signal transmitted from one device to another for… … The Collaborative International Dictionary of English
frequency-modulated continuous-wave radar — nuolat spinduliuojantis moduliuotojo dažnio radaras statusas T sritis radioelektronika atitikmenys: angl. FM continuous wave radar; frequency modulated continuous wave radar vok. frequenzmoduliertes Dauerstrichradar, n rus. частотно… … Radioelektronikos terminų žodynas
modulated — adj. (Electronics) 1. Having either amplitude, intensity, frequency, or phase altered at intervals to represent information to be transmitted; of the carrier wave of a radio signal transmitted from one device to another for the purpose of… … The Collaborative International Dictionary of English
Frequency-division multiplexing — (FDM) is a form of signal multiplexing where multiple baseband signals are modulated on different frequency carrier waves and added together to create a composite signal. Non telephoneFDM can also be used to combine multiple signals before final… … Wikipedia
Wave radar — Ocean surface waves can be measured by several radar remote sensing techniques. Several instruments based on a variety of different concepts and techniques are available to the user and these are all often called wave radars. This article (see… … Wikipedia
Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… … Wikipedia
Wave — A wave is a disturbance that propagates through space and time, usually with transference of energy. While a mechanical wave exists in a medium (which on deformation is capable of producing elastic restoring forces), waves of electromagnetic… … Wikipedia
Frequency-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
amplitude modulated — modulated modulated adj. (Electronics) 1. Having either amplitude, intensity, frequency, or phase altered at intervals to represent information to be transmitted; of the carrier wave of a radio signal transmitted from one device to another for… … The Collaborative International Dictionary of English
Frequency modulation synthesis — In audio and music frequency modulation synthesis (or FM synthesis) is a form of audio synthesis where the timbre of a simple waveform is changed by frequency modulating it with a modulating frequency that is also in the audio range, resulting in … Wikipedia