| PCM/PPK遥测系统性能分析 |
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| 引用本文： | 成秉章,姜昌. PCM/PPK遥测系统性能分析[J]. 中国空间科学技术, 1986, 6(5): 1 |
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| 作者姓名： | 成秉章 姜昌 |
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| 摘 要： | PCM/PPK遥测系统是一种结构简单的多元系统。本文利用PCM码是群码的特性,分析计算了它在不同传输状态下的误码性能。当发送先验概率为均匀分布时,分析了它的误差。结果表明PCM/PPK是一种非常有效的系统。
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A PERFORMANCE ANALYSES FOR PCM/PPK TELEMETRY SYSTEM |
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| Cheng Bing zhang,Jiang Chang. A PERFORMANCE ANALYSES FOR PCM/PPK TELEMETRY SYSTEM[J]. Chinese Space Science and Technology, 1986, 6(5): 1 |
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| Authors: | Cheng Bing zhang Jiang Chang |
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| Abstract: | PCM/PPK telemefry system is a multiple-signal digital communication system whose structure is very simple. In this paper, utilizing the feature that codes transmitted by PCM/PPK are group codes, the bit error probability P_b is analysed and calculated under the various transmission stares, and the transmission error is analysed as the distribution of the prior probability is uniform. The results show that the PCM/PPK is very efficient telemetry system. |
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