modulation index


modulation index
1) коэффициент (глубина) модуляции (для АМ-колебаний)
2) индекс модуляции (для ЧМ- или ФМ-колебаний)

Англо-русский словарь технических терминов. 2005.

Смотреть что такое "modulation index" в других словарях:

  • Modulation index — The modulation index (or modulation depth) of a modulation scheme describes by how much the modulated variable of the carrier signal varies around its unmodulated level. It is defined differently in each modulation scheme. See: Amplitude… …   Wikipedia

  • modulation index — moduliavimo indeksas statusas T sritis automatika atitikmenys: angl. modulation index vok. Modulationsindex, m rus. индекс модуляции, m pranc. indice de modulation, m …   Automatikos terminų žodynas

  • modulation index — moduliavimo indeksas statusas T sritis fizika atitikmenys: angl. modulation index vok. Modulationsindex, m rus. индекс модуляции, m pranc. indice de modulation, m …   Fizikos terminų žodynas

  • modulation index — noun : a measure of the degree of frequency modulation expressed numerically for a pure tone modulation as the ratio of the frequency deviation to the frequency of the modulating signal …   Useful english dictionary

  • modulation index meter — moduliavimo indekso matuoklis statusas T sritis radioelektronika atitikmenys: angl. modulation index meter vok. Modulationsindexmesser, m rus. измеритель индекса модуляции, m pranc. mesureur de l indice de modulation, m …   Radioelektronikos terminų žodynas

  • modulation — index inflection, remission Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • Modulation transfer function (infrared imaging) — The Modulation Transfer Function (MTF) is used to approximate the position of best focus of an infrared imaging system. In an imaging system, best focus is typically achieved when the MTF is between 0.4 and 0.6; most often at 0.5 (50% cutoff… …   Wikipedia

  • modulation d'indice de réfraction — lūžio rodiklio moduliavimas statusas T sritis radioelektronika atitikmenys: angl. refractive index modulation vok. Brechungsindexmodulation, f; Refraktionsindexmodulation, f rus. модуляция показателя преломления, f pranc. modulation d indice de… …   Radioelektronikos terminų žodynas

  • Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • Phase modulation — (PM) is a form of modulation that represents information as variations in the instantaneous phase of a carrier wave.Unlike its more popular counterpart, frequency modulation (FM), PM is not very widely used. This is because it tends to require… …   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


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