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	Effects of residual motion compensation errors on the performance of airborne along-track interferometric sar
	Zhang, Hui1,2,3; Hong, Jun1; Qiu, Xiao-lan1,3; Li, Ji-chuan4; Li, Fang-fang1,3; Ming, Feng1
刊名	Frontiers of information technology & electronic engineering
	2016-10-01
卷号	17期号:10页码:1095-1106
关键词	Synthetic aperture radar (sar) Along-track interferometric Motion compensation Residual error Interferometric phase
ISSN号	2095-9184
DOI	10.1631/fitee.1500311
通讯作者	Zhang, hui(123happy.zh@163.com)
英文摘要	Two approximations, center-beam approximation and reference digital elevation model (dem) approximation, are used in synthetic aperture radar (sar) motion compensation procedures. they usually introduce residual motion compensation errors for airborne single-antenna sar imaging and sar interferometry. in this paper, we investigate the effects of residual uncompensated motion errors, which are caused by the above two approximations, on the performance of airborne along-track interferometric sar (ati-sar). the residual uncompensated errors caused by center-beam approximation in the absence and in the presence of elevation errors are derived, respectively. airborne simulation parameters are used to verify the correctness of the analysis and to show the impacts of residual uncompensated errors on the interferometric phase errors for ati-sar. it is shown that the interferometric phase errors caused by the center-beam approximation with an accurate dem could be neglected, while the interferometric phase errors caused by the center-beam approximation with an inaccurate dem cannot be neglected when the elevation errors exceed a threshold. this research provides theoretical bases for the error source analysis and signal processing of airborne ati-sar.
WOS关键词	SYNTHETIC-APERTURE RADAR ; MOVING TARGETS ; CALIBRATION ; MISSION
WOS研究方向	Computer Science ; Engineering
WOS类目	Computer Science, Information Systems ; Computer Science, Software Engineering ; Engineering, Electrical & Electronic
语种	英语
出版者	ZHEJIANG UNIV
WOS记录号	WOS:000386352200012
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2374971
专题	中国科学院大学
通讯作者	Zhang, Hui
作者单位	1.Chinese Acad Sci, Inst Elect, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100190, Peoples R China 3.Key Lab Technol Geospatial Informat Proc & Applic, Beijing 100190, Peoples R China 4.Sci & Technol Millimeter Wave Lab, Beijing 100854, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Hui,Hong, Jun,Qiu, Xiao-lan,et al. Effects of residual motion compensation errors on the performance of airborne along-track interferometric sar[J]. Frontiers of information technology & electronic engineering,2016,17(10):1095-1106.
APA	Zhang, Hui,Hong, Jun,Qiu, Xiao-lan,Li, Ji-chuan,Li, Fang-fang,&Ming, Feng.(2016).Effects of residual motion compensation errors on the performance of airborne along-track interferometric sar.Frontiers of information technology & electronic engineering,17(10),1095-1106.
MLA	Zhang, Hui,et al."Effects of residual motion compensation errors on the performance of airborne along-track interferometric sar".Frontiers of information technology & electronic engineering 17.10(2016):1095-1106.

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