{"title":"Ground moving target imaging based on motion compensation for circular SAR","authors":"Xinyun Wang, B. Deng, Hongqiang Wang, Yuliang Qin","doi":"10.1109/ICAIT.2017.8388948","DOIUrl":null,"url":null,"abstract":"In stationary SAR/CSAR images, ground moving targets are defocused and dislocated due to their unknown motions. This paper presents the moving target imaging algorithm for circular SAR. Considering the characteristic of echo signal of the moving target, additional phase caused by target motion is compensated by estimating motion parameters with along-track interferometry (ATI) technology. After compensation, classic omega-k algorithm is applied to reconstruct the image. Simulation results are given to demonstrate the effectiveness of the proposed method.","PeriodicalId":376884,"journal":{"name":"2017 9th International Conference on Advanced Infocomm Technology (ICAIT)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 9th International Conference on Advanced Infocomm Technology (ICAIT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICAIT.2017.8388948","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In stationary SAR/CSAR images, ground moving targets are defocused and dislocated due to their unknown motions. This paper presents the moving target imaging algorithm for circular SAR. Considering the characteristic of echo signal of the moving target, additional phase caused by target motion is compensated by estimating motion parameters with along-track interferometry (ATI) technology. After compensation, classic omega-k algorithm is applied to reconstruct the image. Simulation results are given to demonstrate the effectiveness of the proposed method.
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