| 引用本文: | 贾平,邝明.一种实用的有线电视加解扰方案.[J].国防科技大学学报,1997,19(1):52-56.[点击复制] |
| Jia Ping,Kuang Ming.A Practical Scheme on the Scrambling and the Descrambling of CATV[J].Journal of National University of Defense Technology,1997,19(1):52-56[点击复制] |
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| 一种实用的有线电视加解扰方案 |
| 贾平, 邝明 |
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(国防科技大学 电子技术系 湖南 长沙 410073)
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| 摘要: |
| 在分析了电视加扰技术中的模拟加扰方式和数字加扰方式后, 对数字加扰时基处理中的行旋转、行置换、行变换等方法做了详细分析; 为了保护有线电视加扰系统的安全, 采用了随机数的产生、数据的加密等技术。最后详细介绍了一个包括加、解扰系统和用户控制的实验系统。 |
| 关键词: 有线电视, 加扰, 行旋转, 行置换, 行变换, 加密 |
| DOI： |
| 投稿日期：1996-03-04 |
| 基金项目: |
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| A Practical Scheme on the Scrambling and the Descrambling of CATV |
| Jia Ping, Kuang Ming |
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(Department of Electronic Technology, NUDT, Changsha, 410073)
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| Abstract: |
| After analying the analogic and digital scrambling ways, line rotation scrambling, line jitter scrambling, line permutation ways of digital scrambling processing are discussed in detail. In order to protect CATV scrambling system, random number generator and data encryption techniques are used. At the end of the paper, an experimental system is described which includes the scrambling system, descrambling system and the controls of users. |
| Keywords: CATV, scrambling, line rotation scrambling, line jitter scrembling, line permutstion, encryption |
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