“beat-frequency oscillator”的概念、定义、翻译、参考文献-科学参考

单词	beat-frequency oscillator
释义	beat-frequency oscillator [`bēt ´frē·kwǝn·sē `äs·ǝ´lād·ǝr] ^ELECTRONICS An oscillator in which a desired signal frequency, such as an audio frequency, is obtained as the beat frequency produced by combining two different signal frequencies, such as two different radio frequencies. Abbreviated BFO. Also known as heterodyne oscillator.
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