O. Kusyi, P. Stevrin, N. N. Voitovich, O. Zamorska
{"title":"利用移动光源重建不规则波导几何形状","authors":"O. Kusyi, P. Stevrin, N. N. Voitovich, O. Zamorska","doi":"10.1109/DIPED.2004.242803","DOIUrl":null,"url":null,"abstract":"A method for reconstructing the shape of an irregular waveguide is proposed. The method uses the amplitudes of the normal modes excited by a point source moving along the irregular part of the waveguide and measured at its output. The mean-square discrepancy of the measured and calculated mode amplitudes integrated over the source path is minimized. The direct problem is solved by the cross-section method. Numerical results concerning a 2D model problem are presented.","PeriodicalId":126782,"journal":{"name":"Proceedings of the 9th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, 2004. DIPED 2004.","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Reconstruction of irregular waveguide geometry using a moving source\",\"authors\":\"O. Kusyi, P. Stevrin, N. N. Voitovich, O. Zamorska\",\"doi\":\"10.1109/DIPED.2004.242803\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A method for reconstructing the shape of an irregular waveguide is proposed. The method uses the amplitudes of the normal modes excited by a point source moving along the irregular part of the waveguide and measured at its output. The mean-square discrepancy of the measured and calculated mode amplitudes integrated over the source path is minimized. The direct problem is solved by the cross-section method. Numerical results concerning a 2D model problem are presented.\",\"PeriodicalId\":126782,\"journal\":{\"name\":\"Proceedings of the 9th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, 2004. DIPED 2004.\",\"volume\":\"40 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-12-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 9th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, 2004. DIPED 2004.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/DIPED.2004.242803\",\"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 the 9th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, 2004. DIPED 2004.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DIPED.2004.242803","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Reconstruction of irregular waveguide geometry using a moving source
A method for reconstructing the shape of an irregular waveguide is proposed. The method uses the amplitudes of the normal modes excited by a point source moving along the irregular part of the waveguide and measured at its output. The mean-square discrepancy of the measured and calculated mode amplitudes integrated over the source path is minimized. The direct problem is solved by the cross-section method. Numerical results concerning a 2D model problem are presented.
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