heterodyne frequency

См. также в других словарях:

• heterodyne frequency conversion — heterodininis dažnio keitimas statusas T sritis radioelektronika atitikmenys: angl. heterodyne frequency conversion; heterodyning vok. Überlagern, n; Mischen, n rus. гетеродинирование, n; гетеродинное преобразование частоты, n pranc. hétérodynage …   Radioelektronikos terminų žodynas

• 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 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

• Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) …   Wikipedia

• 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

• heterodyne — /het euhr euh duyn /, adj., v., heterodyned, heterodyning. Radio. adj. 1. noting or pertaining to a method of changing the frequency of an incoming radio signal by adding it to a signal generated within the receiver to produce fluctuations or… …   Universalium

• heterodyne — het•er•o•dyne [[t]ˈhɛt ər əˌdaɪn[/t]] adj. v. dyned, dyn•ing 1) rtv pertaining to a method of changing the frequency of an incoming radio signal by adding it to a signal generated within the receiver to produce fluctuations of a frequency equal… …   From formal English to slang

• heterodyne — /ˈhɛtərədaɪn/ (say hetuhruhduyn), /ˈhɛtrə / (say hetruh ) adjective 1. denoting or relating to a method of receiving continuous wave radiotelegraph signals by impressing upon the continuous radiofrequency oscillations another set of… …  

• 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

• heterodyne — The mixing of two electrical or acoustic signals to produce a third equal to either the sum of or the difference between their frequencies. For example, if a signal with a frequency of 1000 Hz were to be mixed with another signal of 600 Hz,… …   Aviation dictionary

• Frequency mixer — This article is about non linear mixing operating in the frequency domain. For other types of mixers, see electronic mixer. Frequency Mixer Symbol. In electronics a mixer or frequency mixer is a nonlinear electrical circuit that creates new… …   Wikipedia