{"title":"一种基于特征结构方法的相控阵标定技术","authors":"G. Brown, J. H. McClellan, E. J. Holder","doi":"10.1109/RADAR.1990.201182","DOIUrl":null,"url":null,"abstract":"An eigenstructure-based method for direction finding in the presence of angularly dependent sensor phase and gain perturbations is presented. One application for this technique is the calibration of a radar array degraded by mutual coupling effects. The method simultaneously computes an estimate of the angle of arrival of a single source and calibrates the array for that specific angle. A calibration curve for a range of angles is derived by using polynomial interpolation to fit a small set of measured calibration points. Since the technique is a variation of the MUSIC processor for angle estimation, it is applicable to both uniform and nonuniform linear array configurations.<<ETX>>","PeriodicalId":441674,"journal":{"name":"IEEE International Conference on Radar","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1990-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":"{\"title\":\"A phased array calibration technique using eigenstructure methods\",\"authors\":\"G. Brown, J. H. McClellan, E. J. Holder\",\"doi\":\"10.1109/RADAR.1990.201182\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An eigenstructure-based method for direction finding in the presence of angularly dependent sensor phase and gain perturbations is presented. One application for this technique is the calibration of a radar array degraded by mutual coupling effects. The method simultaneously computes an estimate of the angle of arrival of a single source and calibrates the array for that specific angle. A calibration curve for a range of angles is derived by using polynomial interpolation to fit a small set of measured calibration points. Since the technique is a variation of the MUSIC processor for angle estimation, it is applicable to both uniform and nonuniform linear array configurations.<<ETX>>\",\"PeriodicalId\":441674,\"journal\":{\"name\":\"IEEE International Conference on Radar\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-05-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"11\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE International Conference on Radar\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RADAR.1990.201182\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE International Conference on Radar","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RADAR.1990.201182","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A phased array calibration technique using eigenstructure methods
An eigenstructure-based method for direction finding in the presence of angularly dependent sensor phase and gain perturbations is presented. One application for this technique is the calibration of a radar array degraded by mutual coupling effects. The method simultaneously computes an estimate of the angle of arrival of a single source and calibrates the array for that specific angle. A calibration curve for a range of angles is derived by using polynomial interpolation to fit a small set of measured calibration points. Since the technique is a variation of the MUSIC processor for angle estimation, it is applicable to both uniform and nonuniform linear array configurations.<>
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