{"title":"时域有限差分法分析过模波导","authors":"D. Roper, J. Baird","doi":"10.1109/MWSYM.1992.187997","DOIUrl":null,"url":null,"abstract":"Presents techniques developed for analyzing scattering and coupling in overmoded waveguides using the finite-difference time-domain (FDTD) method. Sources and adsorbing boundary conditions for waveguide modes are examined. The stair-step approximation to round surfaces is considered, and a technique for finding the effective radius of a cylindrical model is described. A numerical example of scattering from a step diameter transition in circular waveguides is presented and compared to the analytic solution.<<ETX>>","PeriodicalId":165665,"journal":{"name":"1992 IEEE Microwave Symposium Digest MTT-S","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"Analysis of overmoded waveguides using the finite-difference time domain method\",\"authors\":\"D. Roper, J. Baird\",\"doi\":\"10.1109/MWSYM.1992.187997\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Presents techniques developed for analyzing scattering and coupling in overmoded waveguides using the finite-difference time-domain (FDTD) method. Sources and adsorbing boundary conditions for waveguide modes are examined. The stair-step approximation to round surfaces is considered, and a technique for finding the effective radius of a cylindrical model is described. A numerical example of scattering from a step diameter transition in circular waveguides is presented and compared to the analytic solution.<<ETX>>\",\"PeriodicalId\":165665,\"journal\":{\"name\":\"1992 IEEE Microwave Symposium Digest MTT-S\",\"volume\":\"2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1992 IEEE Microwave Symposium Digest MTT-S\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MWSYM.1992.187997\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1992 IEEE Microwave Symposium Digest MTT-S","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.1992.187997","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis of overmoded waveguides using the finite-difference time domain method
Presents techniques developed for analyzing scattering and coupling in overmoded waveguides using the finite-difference time-domain (FDTD) method. Sources and adsorbing boundary conditions for waveguide modes are examined. The stair-step approximation to round surfaces is considered, and a technique for finding the effective radius of a cylindrical model is described. A numerical example of scattering from a step diameter transition in circular waveguides is presented and compared to the analytic solution.<>
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