{"title":"非均匀杂波背景下CFAR处理器性能研究","authors":"Ibrahim Pektas, Mücahit K. Üner","doi":"10.1109/SIU.2012.6204556","DOIUrl":null,"url":null,"abstract":"In this study, the performance of constant false alarm rate (CFAR) processors in nonhomogeneous clutter background is analyzed. The nonhomogeneous clutter power is modeled as varying linearly in logarithmic scale from one low fixed level to a high fixed level, rather than modeled as an abrupt change. For different values of the linearly varying clutter power region width with respect to the reference window size of the CFAR processor, the false alarm probabilities of cell averaging (CA), greatest-of (GO) and ordered statistics (OS) CFAR processors, are computed analytically. These processors' capabilities of controlling false alarm probability are analyzed and compared.","PeriodicalId":256154,"journal":{"name":"2012 20th Signal Processing and Communications Applications Conference (SIU)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Performance of CFAR processors in nonhomogeneous clutter background\",\"authors\":\"Ibrahim Pektas, Mücahit K. Üner\",\"doi\":\"10.1109/SIU.2012.6204556\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this study, the performance of constant false alarm rate (CFAR) processors in nonhomogeneous clutter background is analyzed. The nonhomogeneous clutter power is modeled as varying linearly in logarithmic scale from one low fixed level to a high fixed level, rather than modeled as an abrupt change. For different values of the linearly varying clutter power region width with respect to the reference window size of the CFAR processor, the false alarm probabilities of cell averaging (CA), greatest-of (GO) and ordered statistics (OS) CFAR processors, are computed analytically. These processors' capabilities of controlling false alarm probability are analyzed and compared.\",\"PeriodicalId\":256154,\"journal\":{\"name\":\"2012 20th Signal Processing and Communications Applications Conference (SIU)\",\"volume\":\"27 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-04-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 20th Signal Processing and Communications Applications Conference (SIU)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SIU.2012.6204556\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 20th Signal Processing and Communications Applications Conference (SIU)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SIU.2012.6204556","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Performance of CFAR processors in nonhomogeneous clutter background
In this study, the performance of constant false alarm rate (CFAR) processors in nonhomogeneous clutter background is analyzed. The nonhomogeneous clutter power is modeled as varying linearly in logarithmic scale from one low fixed level to a high fixed level, rather than modeled as an abrupt change. For different values of the linearly varying clutter power region width with respect to the reference window size of the CFAR processor, the false alarm probabilities of cell averaging (CA), greatest-of (GO) and ordered statistics (OS) CFAR processors, are computed analytically. These processors' capabilities of controlling false alarm probability are analyzed and compared.
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