frequency modulation

2 definitions found

frequency modulation - WordNet (r) 2.1 (2005) :

  frequency modulation
      n 1: modulation of the frequency of the (radio) carrier wave
           [syn: frequency modulation, FM]

frequency modulation - Free On-line Dictionary of Computing (26 May 2007) :

  Frequency Modulation
  
     <communications> (FM) A method of encoding data by varying the
     frequency of a constant amplitude carrier signal.
  
     Contrast Amplitude Modulation.
  
     (2001-04-02)