keying frequency modulation signal
keying frequency modulation signal
键控调频信号
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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A form of frequency modulation in which the carrier frequency is shifted between a mark frequency and a space frequency in response to the impressed intelligence signal (frequency-shift keying).
频率调制的一种方式，其中载波频率在标志频率和场频率之间移动，以响应外加的情报(数据)信号。
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