Перевод: с русского на английский

с английского на русский

heterodyne beat

См. также в других словарях:

  • Heterodyne detection — is a method of detecting radiation by non linear mixing with radiation of a reference frequency. It is commonly used in telecommunications and astronomy for detecting and analysing signals.The radiation in question is most commonly either radio… …   Wikipedia

  • Heterodyne — This article is about waveform manipulation. For the use of the term in poetry, see Heterodyne (poetry). For the webcomic characters, see Girl Genius. Heterodyning is a radio signal processing technique invented in 1901 by Canadian inventor… …   Wikipedia

  • heterodyne — 1. adjective Of, two oscillations, having two slightly different frequencies such that, when combined, they produce a beat 2. noun a) The beat so produced b) Either the sum or …   Wiktionary

  • heterodyne —   n. Radio, production of beats by superimposition of oscillations of slightly different frequency upon the waves being received; use of this beat frequency in radio reception; interference, especially whistle, due to heterodyne; v.i. produce… …   Dictionary of difficult words

  • Beat frequency oscillator — A beat frequency oscillator or BFO in radio telegraphy, is a dedicated oscillator used to create an audio frequency signal from carrier wave transmissions to make them audible, as they are not broadcast as such. The signal from the BFO is then… …   Wikipedia

  • heterodyne — I. adjective Etymology: heter + dyne, modification of Greek dynamis power more at dynamic Date: 1908 of or relating to the production of an electrical beat between two radio frequencies of which one usually is that of a received signal carrying… …   New Collegiate Dictionary

  • Beat (acoustics) — In acoustics, a beat is an interference between two sounds of slightly different frequencies, perceived as periodic variations in volume whose rate is the difference between the two frequencies.When tuning instruments that can produce sustained… …   Wikipedia

  • zero beat — I. noun Etymology: zero (II) : a condition in which two radio frequencies are adjusted to equality by first producing beats between them and then reducing the beat frequency to zero compare heterodyne II. verb : to adjust to zero beat …   Useful english dictionary

  • Frequency comb — A frequency comb is the graphic representation of the spectrum of a mode locked laser. An octave spanning comb can be used for mapping radio frequencies into the optical frequency range or it can be used to steer a piezoelectric mirror within a… …   Wikipedia

  • Superheterodyne receiver — A 5 tube superheterodyne receiver made in Japan around 1955 In electronics, a superheterodyne receiver (sometimes shortened to superhet) uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which… …   Wikipedia

  • Interferometry — is the technique of using the pattern of interference created by the superposition of two or more waves to diagnose the properties of the aforementioned waves. The instrument used to interfere the waves together is called an interferometer.… …   Wikipedia

Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»