multiple phase shift keying
multiple phase shift keying-
MPSK ( Multiple Phase Shift Keying ) modulation and demodulation system is simple , mature and widely used in aerospace TT & C area .
MPSK（多进制相移键控）调制解调系统实现起来简单、成熟，广泛应用于航天测控系统中。
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Computer simulation shows that in the condition of data-aided Multiple Phase Shift Keying ( MPSK ) with low Signal-to-Noise Ratio ( SNR ), its estimation accuracy is still close to the Cramer-Rao bound ( CRB ), and its complexity is lower , and it is easily to be implemented .
仿真结果表明：对于数据辅助的MPSK信号，信噪比较低时，其估值方差仍接近克拉美劳界，且该算法计算复杂度低，易于实现。
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