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Alternative TitleA concise formula derivation for ground2range2resolutionimprovement by InSAR
张云华; 江碧涛; 姜景山; 北京8701信箱
Source Publication电波科学学报
Keyword干涉sar 调频步进脉冲信号 地距方向分辨率 匹配滤波 脉冲压缩
Other AbstractTwo approaches were presented to show t he improvement of ground resolution by cross-track interferomet ric SAR.In the first app roach ,an equivalent relation was firstly derived between t he usual stepped2f requency chirp signal (SFCS)and the SFCS wit h all subchirp stransmitted at different positions(SFCS_ DP)when some condition was contented during matched filtering , and then t he signal model of InSAR in ground direction was shown to be equivalent to that of SFCS_DP,and finally an broadened spatial spect rum observed in ground direction was derived. In the second approach,the projection of wave number kinground direction was used to derive the widening of observed spatial spect rum.Simulations showed that the relative error of range measurements between two channels had remarkable influence on t he final result.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
张云华,江碧涛,姜景山,等. 干涉SAR提高地距方向分辨率的简明推导[J]. 电波科学学报,2007,22(4):619-625.
APA 张云华,江碧涛,姜景山,&北京8701信箱.(2007).干涉SAR提高地距方向分辨率的简明推导.电波科学学报,22(4),619-625.
MLA 张云华,et al."干涉SAR提高地距方向分辨率的简明推导".电波科学学报 22.4(2007):619-625.
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