| 有线电视分级条件接收系统 |
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| 引用本文： | 李娅,刘豫东.有线电视分级条件接收系统[J].电子工程师,2005,31(11):33-35. |
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| 作者姓名： | 李娅 刘豫东 |
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| 作者单位： | 1. 江苏广播电视大学,江苏省,南京市,210036
2. 南京信息职业技术学院,江苏省,南京市,210013 |
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| 摘 要： | 有线电视节目收费采用机顶盒是一种性价比较高的方案.介绍了一种采用机顶盒方案的有线电视条件接收系统,它是基于射频处理的同步抑制分级群加解扰系统,具有群加扰系统的相对低成本和多级别利于收费节目开发的优点.
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| 关 键 词： | 有线电视 条件接收 节目分级 加解扰 |
| 收稿时间： | 2005-09-21 |
| 修稿时间： | 2005年9月21日 |
CATV Graded Conditional Access System |
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| Li Ya,Liu Yudong.CATV Graded Conditional Access System[J].Electronic Engineer,2005,31(11):33-35. |
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| Authors: | Li Ya Liu Yudong |
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| Abstract: | TV top box is used as the fee system of CATV, it has a very high performance value ratio. In this paper, a kind of CATV conditional receiving system which uses the top box method is briefly introduced. It is based on the synchronous restraining graded group . descrambling system. It has advantage of low cost for group scrambling-descrambling and is benecial to multiple grade chargeable program development. |
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| Keywords: | CATV conditional access program grade scrambling-descrambling |
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