{"title":"基于频率缩放算法的聚光SAR原始数据仿真","authors":"Wang Yu, Zhang Zhi-min, Deng Yun-kai","doi":"10.1109/RADAR.2007.374288","DOIUrl":null,"url":null,"abstract":"SAR (synthetic aperture radar) raw signal simulation is an important tool for study and testing of different SAR processing algorithms and new SAR systems. In this paper, the system transfer function of spotlight-mode SAR is evaluated and its accuracy is described. And, frequency scaling algorithm (FSA) is employed to actualize the coupling relation between the range and azimuth in the 2-dimension frequency. An advantage of the frequency scaling algorithm is that it requires only FFT (fast Fourier transform) and complexity multiplication and avoids interpolation.","PeriodicalId":367078,"journal":{"name":"2007 IEEE Radar Conference","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Spotlight SAR Raw Data Simulation Using Frequency Scaling Algorithm\",\"authors\":\"Wang Yu, Zhang Zhi-min, Deng Yun-kai\",\"doi\":\"10.1109/RADAR.2007.374288\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"SAR (synthetic aperture radar) raw signal simulation is an important tool for study and testing of different SAR processing algorithms and new SAR systems. In this paper, the system transfer function of spotlight-mode SAR is evaluated and its accuracy is described. And, frequency scaling algorithm (FSA) is employed to actualize the coupling relation between the range and azimuth in the 2-dimension frequency. An advantage of the frequency scaling algorithm is that it requires only FFT (fast Fourier transform) and complexity multiplication and avoids interpolation.\",\"PeriodicalId\":367078,\"journal\":{\"name\":\"2007 IEEE Radar Conference\",\"volume\":\"18 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-04-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 IEEE Radar Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RADAR.2007.374288\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE Radar Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RADAR.2007.374288","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Spotlight SAR Raw Data Simulation Using Frequency Scaling Algorithm
SAR (synthetic aperture radar) raw signal simulation is an important tool for study and testing of different SAR processing algorithms and new SAR systems. In this paper, the system transfer function of spotlight-mode SAR is evaluated and its accuracy is described. And, frequency scaling algorithm (FSA) is employed to actualize the coupling relation between the range and azimuth in the 2-dimension frequency. An advantage of the frequency scaling algorithm is that it requires only FFT (fast Fourier transform) and complexity multiplication and avoids interpolation.
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