| 有线电视的射频加解扰 |
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| 引用本文： | 蔡善华.有线电视的射频加解扰[J].中国有线电视,2007(11):1026-1028. |
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| 作者姓名： | 蔡善华 |
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| 作者单位： | 泰州广播电视台网络传输中心,江苏,泰州,225300 |
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| 摘 要： | 介绍有线电视射频加解扰技术的发展，重点介绍射频幅度调制型加解扰系统，简单介绍射频幅度调制的工作原理，分析高频电子开关和数字处理部分的电路，最后为用户提供一些应用建议。
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| 关 键 词： | 有线电视 加解扰 射频幅度调制 |
| 文章编号： | 1007-7022（2007）11-1026-03 |
| 收稿时间： | 2007-04-06 |
| 修稿时间： | 2007-04-06 |
CATV Radio Frequency Scrambling/descrambling |
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| CAI Shan-hua.CATV Radio Frequency Scrambling/descrambling[J].China Cable Television,2007(11):1026-1028. |
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| Authors: | CAI Shan-hua |
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| Affiliation: | Taizhou Broadcast Television Station Network Transmission Center, Jiangsu Taizhou 225300, China |
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| Abstract: | This paper introduces the development of radio frequency scrambling/descrambling technology, especially the radio frequency amplitude modulation scrambling/descrambling system. Then simply introduces the principles of radio frequency amplitude modulation and analyzes the electric circuits of high frequency electronic switching and the digital processing part. Finally, it provides some suggestions on the application of the system. |
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| Keywords: | CATV scrambling/descrambling radio frequency amplitude modulation |
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