Heterodyne
Word | HETERODYNE |
Character | 10 |
Hyphenation | N/A |
Pronunciations | N/A |
Definitions and meanings of "Heterodyne"
What do we mean by heterodyne?
Having alternating currents of two different frequencies that are combined to produce two new frequencies, the sum and difference of the original frequencies, either of which may be used in radio or television receivers by proper tuning or filtering. adjective
To combine (a radio-frequency wave) with a locally generated wave of different frequency in order to produce a new frequency equal to the sum or difference of the two. transitive verb
Of, two oscillations, having two slightly different frequencies such that, when combined, they produce a beat adjective
The beat so produced noun
Either the sum or difference of the two oscillations noun
To produce heterodyne interference in a radio verb
To change the frequency of a signal by such a process verb
Of or relating to the beat produced by heterodyning two oscillations adjective
Combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two verb
The beat so produced
Either the sum or difference of the two oscillations
Is a signal processing technique invented in 1901 by Canadian inventor-engineer Reginald Fessenden that creates new frequencies by combining or mixing two frequencies. Heterodyning is used to shift one frequency range into another, new one, and is also involved in the processes of modulation and demodulation. The two frequencies are combined in a nonlinear signal-processing device such as a vacuum tube, transistor, or diode, usually called a mixer. In the most common application, two signals at frequencies f1 and f2 are mixed, creating two new signals, one at the sum f1 + f2 of the two frequencies, and the other at the difference f1 − f2. These new frequencies are called heterodynes. Typically only one of the new frequencies is desired, and the other signal is filtered out of the output of the mixer. Heterodynes are the mathematical dual of the phenomenon of "beats" in acoustics. A major application of the heterodyne process is in the superheterodyne radio receiver circuit, which is used in virtually all modern radio receivers. Urban Dictionary
Synonyms and Antonyms for Heterodyne
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The word "heterodyne" in example sentences
Cross Reference for Heterodyne
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What does heterodyne mean?
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