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本文指出了所谓调相负反馈接收机就是调相信号的准最佳接收机,它可由按最大后验概率估计推导出的最佳接收机模型或按瞬时最大似然估计推导出的最佳接收机模型退化而得到。本文总结了有关方面的文献,对该接收机的性能进行了分析,提出了在高信噪比条件下设计接收机的注意事项。并对主要误差源进行了分析,列举了一些测试结果。
This paper points out that the so-called phase-modulated negative feedback receiver is a quasi-optimal receiver for phase-modulated signals, which can be derived from the best receiver model derived from the maximum a posteriori probability estimation or the best receiver derived from the instantaneous maximum likelihood estimation Machine model degradation and get. This article summarizes the relevant literature, the performance of the receiver were analyzed, put forward the considerations in the design of the receiver under high signal-to-noise conditions. The main error sources were analyzed and some test results were listed.