摘要
综述了目前国内外常用的有线电视加密技术特点 ,介绍了一种适合于卫星信道的实用电视加密技术——双函数加密方法 。
In this paper the characteristics of TV scrambling techniques available both at home and abroad is overviewed. A dual function scrambling method is described for the transmission in satellite channels This is a practical analog TV scrambling technique. Practical design block diagrams are also given
出处
《现代电力》
2000年第4期77-82,共6页
Modern Electric Power