幀同步一次通過捕獲概率
ONE-PASS ACQUISITION PROBABILITY FOR FRAME SYNCHRONIZATION
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摘要: 本文討論了二進數據幀同步理論問題,引進了隨機數據對幀同步捕獲的影響。在同步圖像長度和結構、幀長度、誤碼率、判決門限之間建立了數學表達式,即一次通過捕獲概率表達式。最后還給出了最佳幀結構設計方法。并對信道效率與捕獲概率之間的關系作了簡單說明。
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關鍵詞:
Abstract: The theory of binary digital frame synchronization is discussed. The effect of random data on frame synchronization is introduced. The one-pass acquisition probability expression which is related with the pattern length and construction, frame length, bit error rate, decision threshold is obtained. Finally the method of design about optimal frame format is given and the relation between efficiency of channel and acquisition probability is described. -
J. L. Phillips and G. E. Goode, Correlation Detection and Sequential Testing for PCM Group Synchronization, Proc. National Telemetering Conference 1962, paper 5-4.[3]P. E. Mallory, Method of Frame Sync Analysis, Proc. National Telemetering Conference 1971,pp. 264-269.[4]P. T. Nielsen, IEEE Trans. on IT, IT-19 (1973), 702.[6]J. L. Maury and F. J. Styles, Development of Optimum Frame Synchronization Codes for Goddard Space Flight Center PCM Telemetry Standards, Proc. 1964 Nat Telemetry Conference paper 3-1. -
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