Focusing and Parameter Estimating of Fluctuating Target in High Resolution Spaceborne SAR

被引：0
|
作者：
Wen, Xuejiao [1 ,2 ,3 ]
Qiu, Xiaolan [1 ,2 ]
You, Hongjian [1 ,2 ]
机构：
[1] Chinese Acad Sci, Key Lab Geospatial Informat Proc & Applicat Syst, Beijing, Peoples R China
[2] Chinese Acad Sci, Inst Elect, Beijing, Peoples R China
[3] Univ Chinese Acad Sci, Beijing, Peoples R China
来源：
2016 CIE INTERNATIONAL CONFERENCE ON RADAR (RADAR) | 2016年
关键词：
micro-motion target; high resolution spaceborne; SAR; parameter estimation; RADAR; IMAGES;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Micro-motion will cause serious defocusing phenomenon in high resolution spaceborne SAR cases which leads to decreasing image resolution. In this paper, we have built a simulation model to make the quantitative analysis of the signature and effect on maritime fluctuating target in high resolution cases. A motion compensating method dealing with the formed Single Look Complex (SLC) SAR images containing fluctuating target is implemented to get the refocused images and fluctuating parameters by applying inversion mapping and inverse SAR (ISAR) processing. The effectiveness and correctness of the approach on focusing and estimating parameters of the fluctuating target is demonstrated by processing the simulation results and archive images acquired by Terra-SAR in hybrid spotlight mode.
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页数：5
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