释义 |
beat frequency
beat frequency[′bēt ‚frē·kwən·sē] (electronics) The frequency of a signal equal to the difference in frequencies of two signals which produce the signal when they are combined in a nonlinear circuit. beat frequency The periodic variation in amplitude of an oscillation resulting from the superimposition (or mixing) of two oscillations of differing frequencies. It is equal to the difference between the two frequencies.EncyclopediaSeeb/f |