{"title":"电磁散射和辐射问题中矩矩阵的空间插值","authors":"T.W. Nuteson, K. Naishadham, R. Mittra","doi":"10.1109/APS.1993.385213","DOIUrl":null,"url":null,"abstract":"In the analysis of antennas and scatterers of arbitrary shape by the method of moments (MoM), it is desirable to fill the matrix efficiently so that larger size problems can be solved. The authors describe an efficient MoM technique in which the matrix is filled by spatial interpolation of the matrix elements. Redundant calculations in the moment matrix are eliminated by utilizing various symmetries. The method is illustrated by application to planar problems including scattering from a square plate and radiation from a microstrip patch antenna. Computed results compare very well with those in the published literature. Using interpolation to fill the moment matrix has proven to be very efficient and produces negligible error in the computed current distribution.<<ETX>>","PeriodicalId":138141,"journal":{"name":"Proceedings of IEEE Antennas and Propagation Society International Symposium","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Spatial interpolation of the moment matrix in electromagnetic scattering and radiation problems\",\"authors\":\"T.W. Nuteson, K. Naishadham, R. Mittra\",\"doi\":\"10.1109/APS.1993.385213\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In the analysis of antennas and scatterers of arbitrary shape by the method of moments (MoM), it is desirable to fill the matrix efficiently so that larger size problems can be solved. The authors describe an efficient MoM technique in which the matrix is filled by spatial interpolation of the matrix elements. Redundant calculations in the moment matrix are eliminated by utilizing various symmetries. The method is illustrated by application to planar problems including scattering from a square plate and radiation from a microstrip patch antenna. Computed results compare very well with those in the published literature. Using interpolation to fill the moment matrix has proven to be very efficient and produces negligible error in the computed current distribution.<<ETX>>\",\"PeriodicalId\":138141,\"journal\":{\"name\":\"Proceedings of IEEE Antennas and Propagation Society International Symposium\",\"volume\":\"21 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-06-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of IEEE Antennas and Propagation Society International Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APS.1993.385213\",\"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 IEEE Antennas and Propagation Society International Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APS.1993.385213","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Spatial interpolation of the moment matrix in electromagnetic scattering and radiation problems
In the analysis of antennas and scatterers of arbitrary shape by the method of moments (MoM), it is desirable to fill the matrix efficiently so that larger size problems can be solved. The authors describe an efficient MoM technique in which the matrix is filled by spatial interpolation of the matrix elements. Redundant calculations in the moment matrix are eliminated by utilizing various symmetries. The method is illustrated by application to planar problems including scattering from a square plate and radiation from a microstrip patch antenna. Computed results compare very well with those in the published literature. Using interpolation to fill the moment matrix has proven to be very efficient and produces negligible error in the computed current distribution.<>
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