NSSC OpenIR  > 微波遥感部
Alternative TitleThe Analysis and Estimate of the Bias due to the Ampl itudeand Phase Ripples in Spaceborne Radar Al timeter
徐曦煜; 刘和光; 许可; 北京8701信箱
Source Publication遥感技术与应用
Keyword雷达高度计 幅度和相位起伏 成对回波理论 距离旁瓣 测高误差
Other AbstractRadar altimeter has become one of the most usefulm icrow ave sensing instruments for observing the earth in the past three decades, and the results from several successfulm issions, such as Geosat、ERS1+ 2 and Topex, has been w idely used in many geodesy field,particularly in ocean topography. Error analysis is one of the core techniques in the design of Spaceborne Radar A ltimeter, because the altimeter data may be imp ractical for some app lication casesw ithout adequate p recision. Amp litude and phase ripp les of the RF system are important error sources in heigh t measurement. Th is paper dealsw ith the error issue with the help of the well-established tool--"paired2echo theory". Firstly, we consider that the ripp les have the sinusoid forms,and then we can convert these ripp les into range side lobes. On the other hand, w e establish the form of the sidelobe and derive the relationsh ip betw een side lobes and heigh t bias. In th isw ay w e can establish the relationsh ip betw een amp litude (phase) ripp les and heigh tbias.A nd finally,app lying th ismethod to a practical system , we can get some quantitative requirements for the amp litude and phase ripp les. These requirements are very critical in radar altimeter design.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
徐曦煜,刘和光,许可,等. 星载雷达高度计幅度和相位误差分析与估算[J]. 遥感技术与应用,2004,19(6):498-502.
APA 徐曦煜,刘和光,许可,&北京8701信箱.(2004).星载雷达高度计幅度和相位误差分析与估算.遥感技术与应用,19(6),498-502.
MLA 徐曦煜,et al."星载雷达高度计幅度和相位误差分析与估算".遥感技术与应用 19.6(2004):498-502.
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