摘要
本文综述了国外付费电视系统的发展和应用情况，并在比较各种加扰技术方案的基础上，结合国内开发的“ＳＵＮＮＩＷＥＬＬ－Ｉ付费电视系统”的技术特色，探讨了开发适合国情的付费电视系统加、解扰产品的有关问题。
In this paper,the development and implementation of foreign Pay-TV systems are summarized. Based on comparison of different scrambling measures,together with the distincive features of self-developed“SUNNIWELL-I”pay-TV system, relative questions needed to pay attention while establishing pay-TVsystem suitable for China situation is further discussed.
出处
《电信科学》
北大核心
1994年第7期51-56,共6页
Telecommunications Science
关键词
付费电视
加扰
电视台
有线电视
pay-TV,conditional access,scrambling,addressing mode,video inversion
