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介绍了有线电视数字加解扰技术的概念和原理，提出了一种随机行逆扫叠加等效翻转轴抖动的数字化加解扰技术的方案。
This paper introduces the concept and principle of digital descrambler technology in CATV and proposes a scheme of digital descrambling and scrambling with random line inverse sweep and equivalent roll axis jitter.