{"title":"阵列天线系统非线性信号处理的统计描述","authors":"J. J. Kovaly","doi":"10.1109/TME.1965.4323215","DOIUrl":null,"url":null,"abstract":"A statistical analysis is made of a superlimited phased array when a sinusoid and Gaussian noise are independently introduced into the element-channel antenna elements. A mathematical expression is derived for the probability-density function of the beam-channel envelope in tenns of element-channel signal-to-noise power ratio and angular position of target from main beam. This density function is used to study the envelope detection capabilities of a superlimited phased-array system. A comparison study of the detection capabilities of the superlimited phased array and a linear system points out the \"sidelobe suppression effect\" and the \"noise quieting effect\" exhibited by the nonlinear system. Experimental results obtained with a 60-element array antenna system with noninear signal processing are reported and compared with theory.","PeriodicalId":199455,"journal":{"name":"IEEE Transactions on Military Electronics","volume":"251 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1965-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Statistical Description of Nonlinear Signal Processing in Array Antenna Systems\",\"authors\":\"J. J. Kovaly\",\"doi\":\"10.1109/TME.1965.4323215\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A statistical analysis is made of a superlimited phased array when a sinusoid and Gaussian noise are independently introduced into the element-channel antenna elements. A mathematical expression is derived for the probability-density function of the beam-channel envelope in tenns of element-channel signal-to-noise power ratio and angular position of target from main beam. This density function is used to study the envelope detection capabilities of a superlimited phased-array system. A comparison study of the detection capabilities of the superlimited phased array and a linear system points out the \\\"sidelobe suppression effect\\\" and the \\\"noise quieting effect\\\" exhibited by the nonlinear system. Experimental results obtained with a 60-element array antenna system with noninear signal processing are reported and compared with theory.\",\"PeriodicalId\":199455,\"journal\":{\"name\":\"IEEE Transactions on Military Electronics\",\"volume\":\"251 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1965-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Transactions on Military Electronics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/TME.1965.4323215\",\"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 Transactions on Military Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TME.1965.4323215","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Statistical Description of Nonlinear Signal Processing in Array Antenna Systems
A statistical analysis is made of a superlimited phased array when a sinusoid and Gaussian noise are independently introduced into the element-channel antenna elements. A mathematical expression is derived for the probability-density function of the beam-channel envelope in tenns of element-channel signal-to-noise power ratio and angular position of target from main beam. This density function is used to study the envelope detection capabilities of a superlimited phased-array system. A comparison study of the detection capabilities of the superlimited phased array and a linear system points out the "sidelobe suppression effect" and the "noise quieting effect" exhibited by the nonlinear system. Experimental results obtained with a 60-element array antenna system with noninear signal processing are reported and compared with theory.
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