| 遥测应用MSD+TPC技术时中频带宽的选取方法 |
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| 作者姓名： | 曾铖璐 王威 尹利博 |
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| 作者单位： | 中国酒泉卫星发射中心 酒泉 736200 |
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| 摘 要： | 针对码速率的提高,越来越多的脉冲编码调制-调频(PCM-FM)遥测信号应用了多符号检测(MSD)与Turbo乘积码(TPC)技术,只有合理选取遥测系统的中频带宽,才能保证遥测系统的通信质量。对PCM-FM遥测信号应用MSD+TPC技术时的频谱特性进行了分析,给出了中频带宽在实际应用中的最佳选取方法。
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| 关 键 词： | 码速率 多符号检测 Turbo 乘积码 PCM-FM 中频带宽 |
Selection method of intermediate frequency bandwidth when applied MSD and TPC technology in telemetry system |
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| Authors: | Zeng Chenglu Wang Wei Yin Libo |
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| Affiliation: | Jiu Quan Satellite Launch Center in China, Jiu Quan 736200 , China |
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| Abstract: | For improvement of the code rate, Multi-Symbol Detection(MSD) and Turbo Product Code(TPC) technology is applied in PCM-FM telemetry system more and more. Only by reasonably selecting the intermediate frequency bandwidth in the telemetry system can the communication quality be guaranteed. In this paper, the spectrum characteristic of MSD and TPC technology applied to PCM-FM telemetry signal is analyzed, and the best intermediate frequency bandwidth selection method in practical application is provided. |
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