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本文主要介绍用于8.448Mb/s数字光缆通信系统中的扰码器和解扰码器的设计与实验。采用其本原多项式为x~7(?)x(?)1的7级自同步扰码器的RZ码作为8.448Mb/s数字光缆通信系统的线路码。室内试验和现场试验的测试结果表明,在数字光缆信道机中加扰码器获得了良好的技术效果。
This article mainly introduces the design and experiment of the scrambler and descrambler for the 8.448Mb / s digital optical fiber communication system. The RZ code of 7-level self-synchronization scrambler whose original polynomial is x ~ 7 (?) X (?) 1 is used as the line code of 8.448Mb / s digital optical fiber communication system. The test results of the indoor test and the field test show that the scrambler in the digital optical fiber channel machine achieves good technical effects.