To despread and demodulate the signal correctly in the spread spectrum system, the PN code phase of the receiver must be synchronized with that of the input signal precisely.
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释义
在扩频通信系统中,为正确解扩和解调接收到的扩频信号,接收机的PN序列相位和接收信号的PN序列相位必须完全同步;
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