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Alternative TitleThe Design of the PCTV Conditional Access System Based of DVB-T
任虹; 王拴荣; 付文君; 北京8701信箱
Source Publication广播与电视技术
KeywordLdpc码 bp算法 最小和算法 量化
Abstract本文阐述了LDPC码译码的基本原理,提出了最小和(min-sum)算法的改进算法,通过对基于DVB-S2标准的LDPC码译码和量化的软件仿真(Vsual C++),比较了BP算法和最小和算法,以及量化对译码的影响.
Other AbstractThis paper introduces the principle of DVB-T and Conditional Access, then the design and realize of PCTV Conditional Access system based of DVB-T are explored. At last,the system can basically realize the Tune and Demodulation of DVB-T signal, After testing,can through third-party player to play a clear and transparent fluid,as well as scrambling programs.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
任虹,王拴荣,付文君,等. 基于DVB-S2的LDPC码算法研究和仿真[J]. 广播与电视技术,2006,33(11):28-31.
APA 任虹,王拴荣,付文君,&北京8701信箱.(2006).基于DVB-S2的LDPC码算法研究和仿真.广播与电视技术,33(11),28-31.
MLA 任虹,et al."基于DVB-S2的LDPC码算法研究和仿真".广播与电视技术 33.11(2006):28-31.
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