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本文参考有关资料,详细讨论了PCM复用系列在真正失步时信息损失量的最小化原理。在此基础上提出了一套PCM复接设备最佳帧结构及帧同步方案参数的设计计算方法和一种帧同步新方案。这种新方案不改变帧结构,因而可以和现行的任何帧同步方案兼容。这种新方案可以使整个复用系列的性能获得明显的改善。
This paper refers to the relevant information, discussed in detail PCM multiplexing series in the real loss of information when the principle of minimizing the amount of loss. Based on this, a set of design and calculation methods of the optimal frame structure and parameters of frame synchronization scheme and a new frame synchronization scheme for PCM multiplexing equipment are proposed. This new scheme does not change the frame structure and can therefore be compatible with any existing frame synchronization scheme. This new solution can significantly improve the performance of the entire multiplexed series.