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component coding中文是什么意思

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  • Based on the simulation results , the key techniques for the design of turbo codes , including the choice of component codes , the design of interleaver , trellis termination schemes and puncturing methods , are discussed deeply . by measuring the statistical characteristic of extrinsic information from component decoders , new iterative stopping criteria and snr estimation updator are devised . also , it is used to implement synchronization of carrier phase
    本文首先对turbo码的基本编译码原理进行分析,在仿真结果的基础上对turbo码设计中的分量码选择、交织器设计、编码器状态归零方案以及删余方式等部分关键问题进行探讨;通过考察外部信息的统计特性,设计了新的迭代停止准则和snr估计更新器,并利用外部信息实现串联载波相位同步;最后对turbo均衡进行简要分析。
  • The research for key techniques of turbo codes is processed . it includes , ? the design of optimal component codes and the performance of asymmetric turbo codes are analyzed ; ? a search algorithm for short random interleaver based on the distance spectrum and ids criteria is carried out and simplified ; ? random puncturing method to improve the weight distribution of turbo codes with some special code rates is analyzed and simulated . ? the effect of different schemes of trellis termination to the performance of turbo codes is analyzed ; ? a new low complexity decoder structure is provided ; 5
    对turbo码的部分关键问题进行分析和改进,主要包括: ?分析了最优分量码的设计和非对称turbo码的性能; ?设计了基于距离谱和ids的短随机交织器搜索算法并进行了简化; ?提出了采用随机删余方式改善特定高码率turbo码重量分布特性的方法; ?分析了不同编码器状态归零方案对turbo码性能的影响; ?提出了一种降低实现复杂性的turbo迭代译码器结构。
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Last modified time:Tue, 19 Aug 2025 00:29:56 GMT

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