| 有条件接收系统在舟山数字电视中的应用 |
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| 引用本文： | 单波,李善农.有条件接收系统在舟山数字电视中的应用[J].中国有线电视,2011(7):865-869. |
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| 作者姓名： | 单波 李善农 |
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| 作者单位： | 舟山广播电视总台,浙江舟山,316000 |
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| 摘 要： | 随着有线数字电视整体转换工作的正式启动,数字电视已经进入千家万户。有条件接收系统（CAS）作为数字电视技术体系中重要的组成部分,其主要完成系统用户的认证、授权和节目加解扰工作,从而确保运营商对所有用户进行有效的管理。通过舟山市CAS建设案例,详细介绍CAS系统在数字电视业务中的实际应用。
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| 关 键 词： | 条件接收 加（解）扰 加（解）密 控制字 |
Conditional Access System in Zhoushan Digital TV Application |
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| SHAN Bo,LIShan-nong.Conditional Access System in Zhoushan Digital TV Application[J].China Cable Television,2011(7):865-869. |
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| Authors: | SHAN Bo LIShan-nong |
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| Affiliation: | SHAN Bo,LI Shan-nong(Zhoushan Radio and Television Station,Zhejiang Zhoushan 316000,China) |
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| Abstract: | As the official starting of city cable digital TV whole conversion,digital TV has entered thousands of households.Conditional access system(CAS) is an important part of digital television technology system.Its main tasks includes system user authentication and authorization and program add/solution interference,thus ensuring operators effectively manage all users.This article introduces CAS system in digital TV business in practical application,through Zhoushan CAS construction implement case. |
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| Keywords: | conditional access add(solution) interference add(solution) close control characters |
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