{"title":"消除地形散射干扰的反褶积方法","authors":"A. Nelander","doi":"10.1109/NRC.2002.999742","DOIUrl":null,"url":null,"abstract":"Terrain scattered interference or hot clutter is a problem in radar ECCM, especially for airborne radar with low sidelobe antennas and conventional adaptive sidelobe cancellation. A deconvolution approach is proposed to mitigate terrain scattered interference. This approach is based on obtaining an estimate of the complex multipath impulse response from a short time interval in the received signals. The impulse response estimate is then convolved with a direct path reference signal to generate an estimate of the received terrain scattered interference signal. This interference signal estimate is then subtracted from the received main beam signal to generate a main beam signal with mitigated terrain scattered interference.","PeriodicalId":448055,"journal":{"name":"Proceedings of the 2002 IEEE Radar Conference (IEEE Cat. No.02CH37322)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Deconvolution approach to terrain scattered interference mitigation\",\"authors\":\"A. Nelander\",\"doi\":\"10.1109/NRC.2002.999742\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Terrain scattered interference or hot clutter is a problem in radar ECCM, especially for airborne radar with low sidelobe antennas and conventional adaptive sidelobe cancellation. A deconvolution approach is proposed to mitigate terrain scattered interference. This approach is based on obtaining an estimate of the complex multipath impulse response from a short time interval in the received signals. The impulse response estimate is then convolved with a direct path reference signal to generate an estimate of the received terrain scattered interference signal. This interference signal estimate is then subtracted from the received main beam signal to generate a main beam signal with mitigated terrain scattered interference.\",\"PeriodicalId\":448055,\"journal\":{\"name\":\"Proceedings of the 2002 IEEE Radar Conference (IEEE Cat. No.02CH37322)\",\"volume\":\"50 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-08-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 2002 IEEE Radar Conference (IEEE Cat. No.02CH37322)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NRC.2002.999742\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 2002 IEEE Radar Conference (IEEE Cat. No.02CH37322)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NRC.2002.999742","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Deconvolution approach to terrain scattered interference mitigation
Terrain scattered interference or hot clutter is a problem in radar ECCM, especially for airborne radar with low sidelobe antennas and conventional adaptive sidelobe cancellation. A deconvolution approach is proposed to mitigate terrain scattered interference. This approach is based on obtaining an estimate of the complex multipath impulse response from a short time interval in the received signals. The impulse response estimate is then convolved with a direct path reference signal to generate an estimate of the received terrain scattered interference signal. This interference signal estimate is then subtracted from the received main beam signal to generate a main beam signal with mitigated terrain scattered interference.
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