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一、前言数字通信中帧同步码的码型选择及检出方式早有人作了大量研究,但是对于不同检出方式性能的讨论分析却较少。帧同步的检出主要靠帧同步码的两个特性:(1)帧同步码组的特定型式(或按一定规律变化的型式),(2)帧同步码组的周期性。本文着重分析了在码位同步的良好的情况下,帧同步码检出方式的性能。在空间数字通信中,采用了固
I. INTRODUCTION Pattern selection and detection of frame synchronization codes in digital communications have been done a lot of research, but there are few discussions on the performance of different detection methods. The detection of the frame synchronization mainly depends on two characteristics of the frame synchronization code: (1) the specific type of the frame synchronization code group (or the type which changes according to a certain rule), and (2) the periodicity of the frame synchronization code group. This article focuses on the analysis of the code bit synchronization under the good circumstances, the performance of the frame synchronization code detection mode. In space digital communications, the use of solid