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  1. Oxford Dictionary

    beat frequency

    • n.
      the number of beats per second, equal to the difference in the frequencies of two interacting tones or oscillations

    • noun: beat frequency, plural noun: beat frequencies

    • 釋義

    名詞

    • 1. the number of beats per second, equal to the difference in the frequencies of two interacting tones or oscillations amplitude modulated beat frequency a beat frequency oscillator