{"title":"On the mode parabolic equation method for the elastic media","authors":"S. Kozitskiy","doi":"10.1109/DD49902.2020.9274610","DOIUrl":"https://doi.org/10.1109/DD49902.2020.9274610","url":null,"abstract":"In this work we develop an approach to derivation of a system of mode parabolic equations for 3D layered elastic media without assumption of weak elasticity. This approach is based on the generalized multiscale expansions method.","PeriodicalId":133126,"journal":{"name":"2020 Days on Diffraction (DD)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127068516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Kudrin, A. V. Ivoninsky, O. M. Ostafiychuk, T. Zaboronkova
{"title":"Resonance scattering of the dipole radiation by a cylindrical density duct in a magnetoplasma","authors":"A. Kudrin, A. V. Ivoninsky, O. M. Ostafiychuk, T. Zaboronkova","doi":"10.1109/DD49902.2020.9274580","DOIUrl":"https://doi.org/10.1109/DD49902.2020.9274580","url":null,"abstract":"Resonance scattering of the radiation due to an electric dipole source by a cylindrical decreased-density duct aligned with an external static magnetic field in a magnetoplasma is studied. It is shown that such a source located in the outer region of the duct can excite its plasmon resonances as well as the resonance at the plasma frequency of the outer region. In addition, previously unrevealed resonances of the excited field, which are related to appearance of complex modes of the duct, are discussed.","PeriodicalId":133126,"journal":{"name":"2020 Days on Diffraction (DD)","volume":"250 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117192875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V. M. Kuz’kin, G. N. Kuznetsov, S. Pereselkov, M. V. Kutsov, Dmitrii Yu. Prosovetskii
{"title":"Interferometric localization of a moving noise source by using of high-frequency signals","authors":"V. M. Kuz’kin, G. N. Kuznetsov, S. Pereselkov, M. V. Kutsov, Dmitrii Yu. Prosovetskii","doi":"10.1109/DD49902.2020.9274559","DOIUrl":"https://doi.org/10.1109/DD49902.2020.9274559","url":null,"abstract":"The high-frequency interferometry method for moving noise source localization is presented in the paper. Results of an experiment with a small-sized vector-scalar antenna are provided to observe efficiency of the method. The frequency-time processing of experimental interference pattern by matching with the model interference pattern is used. The time dependencies of the source direction, the source speed, the distance, and depth of the source are estimated. Theoretical explanation of the experimental data within framework of a two-ray model of the interferogram is given.","PeriodicalId":133126,"journal":{"name":"2020 Days on Diffraction (DD)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126265574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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