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本文给出四态二元PSK调制方式的定义,然后从原理上分析此方式的优点,给出两种适用于不同情况的信号产生方法。最后,提出了几种对四态二元PSK信号进行相干检测的可能方案。
In this paper, the definition of four-state binary PSK modulation is given. Then the advantages of this method are analyzed theoretically, and two signal generation methods suitable for different situations are given. Finally, several possible schemes for coherent detection of four-state binary PSK signals are proposed.