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Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)最新文献

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Time-domain Fresnel's formulas for a plane interface between media 介质间平面界面的时域菲涅耳公式
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.888530
A. Nerukh
{"title":"Time-domain Fresnel's formulas for a plane interface between media","authors":"A. Nerukh","doi":"10.1109/MMET.2000.888530","DOIUrl":"https://doi.org/10.1109/MMET.2000.888530","url":null,"abstract":"The time-domain operators are obtained that allow one to describe a transformation of an arbitrary initial field by a flat interface between two media in the 3-D case. The medium in one of the two halfspaces changes its permittivity and acquires a conductivity. The description includes a case when a boundary is created at some moment of time. Transmitted and reflected signals are determined by integral operators that take into account the field polarisation characteristics. Weight factors in kernels of these operators are just analogues of Fresnel formulae. The obtained resolvent consists of two parts the first of which is a mere generalisation of a resolvent for an unbounded medium and the second occurs through availability of an interface between media.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114406058","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
Research and realization methods of construction of strict optical orthogonal codes for transfer multimedia of information and distributive appendices [sic] 多媒体信息传输和分配附件的严格光学正交码的构造研究与实现方法[sic]
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.890448
A. Prigoda, J. Speidel, R. Frich, I. Sukhoivanov
{"title":"Research and realization methods of construction of strict optical orthogonal codes for transfer multimedia of information and distributive appendices [sic]","authors":"A. Prigoda, J. Speidel, R. Frich, I. Sukhoivanov","doi":"10.1109/MMET.2000.890448","DOIUrl":"https://doi.org/10.1109/MMET.2000.890448","url":null,"abstract":"An algorithm for most compact construction packages of strict optical orthogonal codes (OOC) is offered. It allows to solve problems connected with the design of large flexible fiber optic code-division multiple-access networks and complex hierarchical structures. The given algorithm can be used for the production and calculation of all optical coders/decoders of the given fiber code-division multiple-access network.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124219169","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
Wiener-Hopf analysis of the vector diffraction problem for a cylindrical waveguide cavity 圆柱波导腔矢量衍射问题的Wiener-Hopf分析
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.890539
D. Kuryliak, S. Koshikawa, K. Kobayashi, Z. Nazarchuk
{"title":"Wiener-Hopf analysis of the vector diffraction problem for a cylindrical waveguide cavity","authors":"D. Kuryliak, S. Koshikawa, K. Kobayashi, Z. Nazarchuk","doi":"10.1109/MMET.2000.890539","DOIUrl":"https://doi.org/10.1109/MMET.2000.890539","url":null,"abstract":"The analysis of electromagnetic wave scattering by open-ended metallic waveguide cavities has received much attention in connection with the prediction and reduction of the radar cross section (RCS) of a target. This problem serves as a simple model of duct structures such as jet engine intakes of an aircraft and cracks occurring on surfaces of general complicated bodies. We consider the vector diffraction by a cavity formed by a semi-infinite circular waveguide with an interior planar termination as a generalization of our previous scalar problems, and analyze the non-symmetric electromagnetic wave diffraction by means of the Wiener-Hopf technique.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114987246","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: 5
Research on new antennas for mobile radio communications 移动无线电通信新型天线的研究
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.888581
V. Ovsyanikov
{"title":"Research on new antennas for mobile radio communications","authors":"V. Ovsyanikov","doi":"10.1109/MMET.2000.888581","DOIUrl":"https://doi.org/10.1109/MMET.2000.888581","url":null,"abstract":"Results for new two-frequency wire antennas for the base stations of mobile radio communication systems are presented. The results of the study obtained by the integral equation and equivalent transmission line methods are given.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128964641","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
Analysis of planar structures with arbitrary distribution of permittivity in the time-domain mode 具有任意介电常数分布的平面结构时域模态分析
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.888523
K. Klimov, B.V. Sestroretsky, S. Soldatov
{"title":"Analysis of planar structures with arbitrary distribution of permittivity in the time-domain mode","authors":"K. Klimov, B.V. Sestroretsky, S. Soldatov","doi":"10.1109/MMET.2000.888523","DOIUrl":"https://doi.org/10.1109/MMET.2000.888523","url":null,"abstract":"The algorithm of the electromagnetic analysis in the time-domain mode of planar structures with arbitrary distribution of permittivity (/spl epsi/>/spl epsi//sub 0/, /spl epsi/</spl epsi//sub 0/, /spl epsi/=0, /spl epsi/<0) is stated. A 2-parametric algorithm and expressions for R/spl tau/-elements of the equivalent circuit of volume of space are presented. The given expressions also allow one to form a thin (1 layer of a grid) absorbing wall for a flat wave and eigen wave rectangular waveguide H/sub m0/. The accuracy of the method is appreciated. The technique is implemented in the Rt-H planar analyzer program. The characteristics obtained with the program are described which allows one to analyze an area of 150/spl times/90 of wavelengths (5.4/spl middot/10/sup 6/ of nodes of a grid) on the Pentium-II computer (128 Mb, 433 MHz) in 7.5 hours.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127586020","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: 5
Diffraction problems for an electromagnetic wave on a strip and for elastic wave on a defect in comparison 比较了电磁波在条上的衍射问题和弹性波在缺陷上的衍射问题
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.890457
A.A. Gousenkova
{"title":"Diffraction problems for an electromagnetic wave on a strip and for elastic wave on a defect in comparison","authors":"A.A. Gousenkova","doi":"10.1109/MMET.2000.890457","DOIUrl":"https://doi.org/10.1109/MMET.2000.890457","url":null,"abstract":"Diffraction problems for an electromagnetic wave on an ideally conducting infinitely thin metallic strip, placed on the media interface of two homogeneous isotropic dielectric media, and diffraction problems for an elastic wave on a defect in the form of a split or a thin inclusion, disposed on the media interface of two homogeneous isotropic elastic media, in the case of the two-dimensional field are considered. The formulations and the methods of solving these problems are given in comparison. It is shown that the most similar are the diffraction problems, in which the number of the wave modes propagated in the medium coincides.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"2003 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127691751","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
An electromagnetic signal propagation in a transient magnetized plasma with a time-varying external magnetic field 电磁信号在具有时变外磁场的瞬态磁化等离子体中的传播
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.888534
A. Nerukh, K. Yemelyanov
{"title":"An electromagnetic signal propagation in a transient magnetized plasma with a time-varying external magnetic field","authors":"A. Nerukh, K. Yemelyanov","doi":"10.1109/MMET.2000.888534","DOIUrl":"https://doi.org/10.1109/MMET.2000.888534","url":null,"abstract":"The problem of an electromagnetic wave transformation in an unbounded plasma is considered when an external magnetic field changes in time abruptly and the time jumps occur at different moments. A general expression for the transformation of the electromagnetic wave after n jumps in the external magnetic field is obtained.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127942012","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
Modeling and optimization of a new-type bandstop filter based on multiaperture irises 基于多孔径虹膜的新型带阻滤波器的建模与优化
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.890478
L. Mospan, A. Kirilenko
{"title":"Modeling and optimization of a new-type bandstop filter based on multiaperture irises","authors":"L. Mospan, A. Kirilenko","doi":"10.1109/MMET.2000.890478","DOIUrl":"https://doi.org/10.1109/MMET.2000.890478","url":null,"abstract":"The general properties of the single- and double-band rejection sections based on the multiaperture irises have been investigated. A bandstop iris with two rejection resonances has been numerically investigated and measured. New type of three-section bandstop filter with three-slot irises has been designed, optimized and tested. The calculated results for an X-band bandstop filter have been confirmed with good accuracy in experiment.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128577363","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
Simulation of a non-linear interaction in the combined magnetron 复合磁控管中非线性相互作用的模拟
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.888612
T. Frolova, G. Churyumov
{"title":"Simulation of a non-linear interaction in the combined magnetron","authors":"T. Frolova, G. Churyumov","doi":"10.1109/MMET.2000.888612","DOIUrl":"https://doi.org/10.1109/MMET.2000.888612","url":null,"abstract":"In the last few years the development of efficient crossed-field tubes has been connected with the creation of new non-traditional designs. In this paper a mathematical model of a new combined magnetron and the features of its operation modes are discussed.","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124546763","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
Photonic band gap structure created from artificial opals 人造蛋白石制备的光子带隙结构
Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413) Pub Date : 2000-09-12 DOI: 10.1109/MMET.2000.890447
V. Lysak, I. Sukhoivanov, A.A. Chernoblavskiy
{"title":"Photonic band gap structure created from artificial opals","authors":"V. Lysak, I. Sukhoivanov, A.A. Chernoblavskiy","doi":"10.1109/MMET.2000.890447","DOIUrl":"https://doi.org/10.1109/MMET.2000.890447","url":null,"abstract":"The authors begin by discussing various characteristics of photonic band gap (PBG) materials. They go on to consider the special case of the 1D-PBG structures leading to 3D homogeneous periodic structures (for example, artificial opal).","PeriodicalId":344401,"journal":{"name":"Conference Proceedings 2000 International Conference on Mathematical Methods in Electromagnetic Theory (Cat. No.00EX413)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121091870","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
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