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Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory最新文献

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Microstrip antenna arrays with dielectric coating 电介质涂层微带天线阵列
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049177
D. G. Seleznyov, I. Reznik, A. Seleznyov
{"title":"Microstrip antenna arrays with dielectric coating","authors":"D. G. Seleznyov, I. Reznik, A. Seleznyov","doi":"10.1109/DIPED.2002.1049177","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049177","url":null,"abstract":"In this work an algorithm for the calculation of the characteristics of microstrip antenna arrays (MSAA) with dielectric coating has been developed. Linear and square antenna arrays have been investigated. The following characteristics were obtained: antenna pattern, gain and VSWR. It was shown that changing of the dielectric coating parameters leads to substantial changes of the antenna array radiation characteristics.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125625056","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}
引用次数: 3
Ray acousto-elasticity integrals for 2-D strain field 二维应变场的射线声弹性积分
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049194
V. Chekurin, O.Z. Kravchyshyn
{"title":"Ray acousto-elasticity integrals for 2-D strain field","authors":"V. Chekurin, O.Z. Kravchyshyn","doi":"10.1109/DIPED.2002.1049194","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049194","url":null,"abstract":"Starting from the equations of dynamics of a small disturbance in a strained continuum, integral acousto-elasticity relations, that connect the mean phase velocities of plane waves of different polarizations to the strain distribution in the direction of the wave propagation, have been established.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"174 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114438976","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}
引用次数: 1
Finite photonic crystals implementation in microwave devices 有限光子晶体在微波器件中的实现
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049185
A. Bijamov, R. Zaridze, K. Tavzarashvili, V. Tabatadze
{"title":"Finite photonic crystals implementation in microwave devices","authors":"A. Bijamov, R. Zaridze, K. Tavzarashvili, V. Tabatadze","doi":"10.1109/DIPED.2002.1049185","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049185","url":null,"abstract":"A numerical model is given for a dielectric crystal with metallic rods inside it serving as defects. Useful software for the FPC (finite photonic crystal) simulation has been created. The results of simulation of some microwave devices are presented.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126281423","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}
引用次数: 0
Numerical comparison of two methods for irregular waveguide 两种方法对不规则波导的数值比较
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049188
Y. Topolyuk, O. Zamorska, N. I. Zdeoruk
{"title":"Numerical comparison of two methods for irregular waveguide","authors":"Y. Topolyuk, O. Zamorska, N. I. Zdeoruk","doi":"10.1109/DIPED.2002.1049188","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049188","url":null,"abstract":"Two methods of solving the problem of scattering in irregular waveguides are compared. The methods are used to calculate the field in waveguides with smooth and non-smooth irregularities. Numerical results showing the efficiency of those methods are presented.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"275 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133265011","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}
引用次数: 1
Modified phase problem with nonsymmetrical data 非对称数据下的修正相位问题
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049191
O.O. Bulatsyk, N. N. Voitovich
{"title":"Modified phase problem with nonsymmetrical data","authors":"O.O. Bulatsyk, N. N. Voitovich","doi":"10.1109/DIPED.2002.1049191","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049191","url":null,"abstract":"The so-called modified phase problem is associated, in particular, with, linear antenna synthesis by the given amplitude radiation pattern. Using explicit solutions of the problem, the case of a nonsymmetrical given function is analyzed. Numerical results are compared with those for the symmetrical case.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128955879","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}
引用次数: 2
Diffraction by a thin-walled plane inclusion of arbitrary rigidity: the case of SH-waves 任意刚性薄壁平面包体的衍射:sh波的情况
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049193
V. Emets, Iryna Zelavska
{"title":"Diffraction by a thin-walled plane inclusion of arbitrary rigidity: the case of SH-waves","authors":"V. Emets, Iryna Zelavska","doi":"10.1109/DIPED.2002.1049193","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049193","url":null,"abstract":"A thin plane inclusion is perfectly bonded to a surrounding elastic matrix (in two-dimensional Euclidean space) and subjected to an incident plane harmonic SH wave. Using the representation theorem for the displacements the problem is described by singular integral equations. The solutions. to the integral equations for the wave zone of the inclusion are presented in a closed form that is computationally effective and yields accurate results in the resonance region of dimensionless wave numbers. The method of investigation is based on the Wiener-Hopf technique.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132325996","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}
引用次数: 1
The generalized functions method in the theory of symmetric dipole 对称偶极子理论中的广义函数方法
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049166
G. Kevanishvili, K. Kotetishvili, G. K. Vashadze, D. R. Bolkvadze
{"title":"The generalized functions method in the theory of symmetric dipole","authors":"G. Kevanishvili, K. Kotetishvili, G. K. Vashadze, D. R. Bolkvadze","doi":"10.1109/DIPED.2002.1049166","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049166","url":null,"abstract":"In the problems of thin wire antennas, Hallen's integral equation is often used. Here we suggest an original method of transformation of Hallen's equation into Fredholm's integral equation of the second order having a symmetric singular kernel and a logarithmic feature.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122489155","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}
引用次数: 1
The embedded eigenvalues of the waveguide 波导的嵌入特征值
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049190
A. N. Bogolyubov, A.L. Delitcyn, M. Malykh, A. Sveshnikov
{"title":"The embedded eigenvalues of the waveguide","authors":"A. N. Bogolyubov, A.L. Delitcyn, M. Malykh, A. Sveshnikov","doi":"10.1109/DIPED.2002.1049190","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049190","url":null,"abstract":"Waveguide trapped modes, their existence and asymptotes are studied. Simple eigenvalues (embedded in the continuous spectrum) are shown not to be stable under a small perturbation of the waveguide filling, contrary to the behavior of isolated eigenvalues.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"371 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122767234","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}
引用次数: 1
The exact solution of the problem of ultrawideband signals radiation by a TEM-horn tem喇叭超宽带信号辐射问题的精确解决
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049171
G. V. Yermakov
{"title":"The exact solution of the problem of ultrawideband signals radiation by a TEM-horn","authors":"G. V. Yermakov","doi":"10.1109/DIPED.2002.1049171","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049171","url":null,"abstract":"The exact solution of the problem of ultrawideband signal radiation by a TEM-horn based on the solution of the Fredholm integral equation of the second kind for \"jumping\" of current using the Meixner boundary conditions is proposed.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132642125","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}
引用次数: 0
Wave scattering by semi-infinite discrete structures 半无限离散结构的波散射
Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 2002-12-10 DOI: 10.1109/DIPED.2002.1049168
L. Lytvynenko, S. Prosvirnin
{"title":"Wave scattering by semi-infinite discrete structures","authors":"L. Lytvynenko, S. Prosvirnin","doi":"10.1109/DIPED.2002.1049168","DOIUrl":"https://doi.org/10.1109/DIPED.2002.1049168","url":null,"abstract":"A new approach to the construction of the theory of electromagnetic wave scattering by periodic sequences of partly transparent screens is suggested. A periodic sequence is either an infinite structure of equidistant plane screens, or a semi-infinite or finite part of such a structure. The operator of the reflection by a semi-infinite periodic structure is most essential in the developed theory. A periodic strip array is considered mainly as an element of the multi-layered structure.","PeriodicalId":164885,"journal":{"name":"Proceedings of the 7th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133373788","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}
引用次数: 1
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