{"title":"Computation of scattering field for impedance coated bodies","authors":"M. Guo-zhong","doi":"10.1109/APS.1993.385390","DOIUrl":null,"url":null,"abstract":"In order to obtain the solutions of the scattering field for large and complex bodies, a formula is derived from the Stratton-Chu integral equation under conditions of high-frequency, far-field, and the physical optics approximation. When calculating the surface integral, the impedance surfaces are divided into a large number of surface elements. These small grids are approximated by planar elements. the scattering field of the planar elements is expressed as an algebraic sum, so that the time-consuming integral operation can be avoided. The advantages of this method are simplicity and high speed. Numerical results on a coated plate and sphere show the validity of the method.<<ETX>>","PeriodicalId":138141,"journal":{"name":"Proceedings of IEEE Antennas and Propagation Society International Symposium","volume":"31 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","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.1993.385390","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In order to obtain the solutions of the scattering field for large and complex bodies, a formula is derived from the Stratton-Chu integral equation under conditions of high-frequency, far-field, and the physical optics approximation. When calculating the surface integral, the impedance surfaces are divided into a large number of surface elements. These small grids are approximated by planar elements. the scattering field of the planar elements is expressed as an algebraic sum, so that the time-consuming integral operation can be avoided. The advantages of this method are simplicity and high speed. Numerical results on a coated plate and sphere show the validity of the method.<>
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