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Alternative TitleError analysis of ionospheric dispersion on dual-frequency altimetry
徐曦煜; 刘和光; 北京8701信箱
Source Publication中国科学院研究生院学报
Keyword双频高度计 电离层色散效应 二次相位误差 点目标响应
Other AbstractRadar altimeters selects full-deramp technology in pulse compression,and apply two frequencies to reduce the ionospheric range errors.These will,as this paper shows,introduce an effect called"Ionospheric Dispersion",especially in lower frequency,and this can lead to errors in height estimation.No foreign document is available to solve this problem,so this paper attempts to illustrate it.The authors finally draw the conclusion that these errors can be treated similarly as the quadratic phase errors,whose nature and solution are well-established,and that the magnitude of this error for a typical altimeter is also discussed.Furthermore,the actual Doppler errors are deduced and it is shown that the existent Doppler algorithms are adequately accurate.Finally,by computer simulation,the sidelobes introduced to the system point target response are illustrated and the errors are estimated
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
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Document Type期刊论文
Corresponding Author北京8701信箱
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GB/T 7714
徐曦煜,刘和光,北京8701信箱. 双频雷达高度计电离层色散效应误差分析[J]. 中国科学院研究生院学报,2007,24(2):235-240.
APA 徐曦煜,刘和光,&北京8701信箱.(2007).双频雷达高度计电离层色散效应误差分析.中国科学院研究生院学报,24(2),235-240.
MLA 徐曦煜,et al."双频雷达高度计电离层色散效应误差分析".中国科学院研究生院学报 24.2(2007):235-240.
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