高频信道参数估计中时延和初相对估计精度的影响
EFFECTS OF ORIGINAL PHASE AND TIME-DELAY ON THE HF CHANNEL PARAMETER ESTIMATION
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摘要: 本文首次提出了时延和初相是影响多音复包络法测量精度的两个主要因素;从理论上分析了其影响原理;由计算机模拟作了性能比较;并提出了3种消除这种影响的可能途径。Abstract: It is proposed firstly that the original phase and time-delay are the main factors which affect the measuring resolution of the multitone complex envelope method. The effects of these factors are analysed and checked by the computer simulation. Finally, three possible ways to eliminate these effects are given.
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P. A. Bello, IEEE on Trans. on COM, COM-13 (1965)3, 285-292.[2]J. M. Perl, IEEE on Trans. on COM, COM-34(1986)1,54-58.[3]李旭,陈尚勤,电子科技大学学报,21(1992)5,457-463.[4]沈琪琪等,短波通信,西安电子科技大学出版社,西安,1990年,第1,2章.[5]戴耀森,高频时变信道,人民邮电出版社,北京,1985年,第4章. -
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