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frequency modulation

   Also found in: Medical, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
frequency modulation
n. Abbr. FM
The encoding of a carrier wave by variation of its frequency in accordance with an input signal.

frequency modulation
n
(Electronics & Computer Science / Telecommunications) a method of transmitting information using a radio-frequency carrier wave. The frequency of the carrier wave is varied in accordance with the amplitude and polarity of the input signal, the amplitude of the carrier remaining unchanged Abbreviation FM Compare amplitude modulation

frequency modulation
A method of transmitting signals, especially in radio broadcasting, in which the value of the signal is given by the frequency of a high frequency carrier wave. In FM radio transmission, for example, the signal to be carried is a sound wave, and its increasing and decreasing value is reflected in the increasing and decreasing frequency of a radio frequency carrier wave. Compare amplitude modulation.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.frequency modulationfrequency modulation - modulation of the frequency of the (radio) carrier wave
modulation - (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase
Translations
frequency modulation nmodulazione f di frequenza
frequency modulation nmodulazione f di frequenza


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? Mentioned in ? References in periodicals archive
 
The company's radio stations consist of 40 frequency modulation (FM) and 12 amplitude modulation (AM) stations located in Arizona, California, Colorado, Florida, Nevada, New Mexico and Texas.
xG Technology owns and intends to commercially exploit the intellectual property rights to xG Flash Signal, an innovative Radio Frequency modulation and encoding technology.
The concept involves phase modulation of the interrogating microwave field, rather than the traditional frequency modulation used in most atomic clocks.
 
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