Meaning of zero beat in English:

zero beat

noun

  • 1Radio
    A method of reception in which the incoming signal is mixed with a receiver-generated oscillation of the same frequency as the carrier wave, so that no beats are produced; compare "homodyne".

  • 2Physics
    A condition or arrangement in which two oscillating signals have equal frequencies, or in which the harmonics of one signal form harmonic intervals with those of the other, producing no beats.

Origin

1920s.