NSSC OpenIR  > 微波遥感部
Moving target imaging by both Ka-band and Ku-band high-resolution radars
Zhang, Yunhua; Zhai, Wenshuai; Zhang, Xiangkun; Shi, Xiaojin; Gu, Xiang; Jiang, Jingshan; Zhang, YH (reprint author), CAS, Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China.
Department微波遥感部
Source PublicationSAR IMAGE ANALYSIS, MODELING, AND TECHNIQUES XI
2011
Pages81790R
Language英语
ISSN0277-786X
ISBN978-0-81948-806-0
AbstractThe experimental work on testing the wide-band transmitters and receivers developed for Ka-band and Ku-band radar systems, as well as the signal processing algorithms were introduced. A city light-railway train was selected as the imaged target. The wide-band transmitters and receivers were designed based on the stepped-frequency chirp signal (SFCS) with 2GHz bandwidth synthesized. The Super-SVA technique was used to deal with the case of transmitting SFCS with band gaps between subchirps for purpose of achieving the same bandwidth using as less as possible subpulses. Both Ka-band and Ku-band high-resolution radar images were obtained, which show that Ka-band images are much clear than that of Ku-band as we expect. There are two reasons to explaining this, one reason is due to the electromagnetic scattering of train itself are different for Ka-band and Ku-band frequencies, and the other reason is due to the interactions, i.e. multi-reflection or multi-scattering between the train and the side metal fences or the lamp post are different.; The experimental work on testing the wide-band transmitters and receivers developed for Ka-band and Ku-band radar systems, as well as the signal processing algorithms were introduced. A city light-railway train was selected as the imaged target. The wide-band transmitters and receivers were designed based on the stepped-frequency chirp signal (SFCS) with 2GHz bandwidth synthesized. The Super-SVA technique was used to deal with the case of transmitting SFCS with band gaps between subchirps for purpose of achieving the same bandwidth using as less as possible subpulses. Both Ka-band and Ku-band high-resolution radar images were obtained, which show that Ka-band images are much clear than that of Ku-band as we expect. There are two reasons to explaining this, one reason is due to the electromagnetic scattering of train itself are different for Ka-band and Ku-band frequencies, and the other reason is due to the interactions, i.e. multi-reflection or multi-scattering between the train and the side metal fences or the lamp post are different.
KeywordHigh-resolution Radar Sar Isar Wide-band Sfcs Fbj Moving Target Imaging Super-sva
Conference NameConference on SAR Image Analysis, Modeling, and Techniques XI
Conference DateSEP 21-22, 2011
Conference PlacePrague, CZECH REPUBLIC
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3397
Collection微波遥感部
Corresponding AuthorZhang, YH (reprint author), CAS, Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, Yunhua,Zhai, Wenshuai,Zhang, Xiangkun,et al. Moving target imaging by both Ka-band and Ku-band high-resolution radars[C]. BELLINGHAM:SPIE-INT SOC OPTICAL ENGINEERING,2011:81790R.
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