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Carrier phase lock detecting apparatus used in PSK-modulated signal receiver for satellite communication system
Carrier phase lock detecting apparatus used in PSK-modulated signal receiver for satellite communication system
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机译:卫星通信系统中用于psk调制信号接收机的载波锁相检测装置
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摘要
A PSK demodulator is equipped with a phase lock detector (9), comprising a reverse modulator (11), and a comparison section (12,13,14). The result of the comparison between the received modulated signal and the reverse modulated signal, is used to detect carrier lock. The carrier lock signal controls the bandwidth of the carrier recovery loop (1,3,4,8) and a sweep generator (7). IMAGE
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