NSSC OpenIR  > 微波遥感部
Asynchronous rotation scan for synthetic aperture interferometric radiometer
Wu, J.; Zhang, C.; Liu, H.; Sun, W. Y.; 北京8701信箱
Department国家863计划微波遥感技术
Source PublicationScience in China Series E-Technological Sciences
2009
Volume52Issue:6Pages:1735-1743
ISSN1006-9321
Language英语
KeywordSynthetic Aperture Passive Interferometric Imaging Asynchronous Rotation Scan Time-sharing Sampling
AbstractSynthetic aperture interferometric technique has wide applications in optics, radio astronomy and microwave remote sensing areas. With the increasing demands of high resolution imaging observation, a new time-sharing sampling scheme of asynchronous rotation scan is proposed to meet the technical challenge of achieving a large equivalent aperture and overcome the operating barriers of space borne application. This configuration is basically composed by two asynchronously and concentrically rotating antenna groups, whose revolving radii and speeds are different. The synthetic aperture system with asynchronous rotation scanning scheme can effectively solve the trade-off problem of system complexity, and greatly simplify the system hardware at the cost of sacrificing a certain time resolution. The basic rules and design methods of asynchronous rotation scan are investigated The Gridding method is introduced to inverse the spiral sampling data for image reconstruction. The potential applications of geostationary orbit (GEO) earth observation and solar polar orbit (SPO) plasma cloud observation are explored with numerical simulations to validate the significance and feasibility of this new imaging configuration.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1814
Collection微波遥感部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Wu, J.,Zhang, C.,Liu, H.,et al. Asynchronous rotation scan for synthetic aperture interferometric radiometer[J]. Science in China Series E-Technological Sciences,2009,52(6):1735-1743.
APA Wu, J.,Zhang, C.,Liu, H.,Sun, W. Y.,&北京8701信箱.(2009).Asynchronous rotation scan for synthetic aperture interferometric radiometer.Science in China Series E-Technological Sciences,52(6),1735-1743.
MLA Wu, J.,et al."Asynchronous rotation scan for synthetic aperture interferometric radiometer".Science in China Series E-Technological Sciences 52.6(2009):1735-1743.
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