heterodyne oscillator

См. также в других словарях:

• heterodyne oscillator — noun an oscillator whose output heterodynes with the incoming radio signal to produce sum and difference tones • Syn: ↑local oscillator • Hypernyms: ↑oscillator • Part Holonyms: ↑heterodyne receiver, ↑superheterodyne receiver, ↑sup …   Useful english dictionary

• heterodyne receiver — noun a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified • Syn: ↑superheterodyne receiver, ↑superhet • Hypernyms: ↑radio receiver, ↑receiving set …   Useful english dictionary

• oscillator — noun generator that produces sonic oscillations or alternating current (Freq. 1) • Hypernyms: ↑generator • Hyponyms: ↑crystal oscillator, ↑quartz oscillator, ↑local oscillator, ↑heterodyne oscillator …   Useful english dictionary

• 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 — 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

• local oscillator — noun an oscillator whose output heterodynes with the incoming radio signal to produce sum and difference tones • Syn: ↑heterodyne oscillator • Hypernyms: ↑oscillator • Part Holonyms: ↑heterodyne receiver, ↑superheterodyne receiver, ↑ …   Useful english dictionary

• Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …   Wikipedia

• Local oscillator — A local oscillator is an electronic device used to generate a signal normally for the purpose of converting a signal of interest to a different frequency using a mixer. This process of frequency conversion, also referred to as heterodyning,… …   Wikipedia

• 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

• superheterodyne receiver — noun a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified • Syn: ↑heterodyne receiver, ↑superhet • Hypernyms: ↑radio receiver, ↑receiving set,… …   Useful english dictionary