Carrier synchronization is a key technique in the coherent -demodulation of PSK signals and it is directly related to the specification of demodulation.
载波同步是PS K信号相干解调中的一项关键技术，它直接关系到解调的指标。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化，而采用宽带扩频调制则可极大改善系统的性能。
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