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2006 International Conference on Mathematical Methods in Electromagnetic Theory最新文献

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Preliminary Automatic Analysis of Characteristics of Hypespectral Aviris Images 高光谱病毒图像特征的初步自动分析
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689730
N. Ponomarenko, V. Lukin, M. Zriakhov, A. Kaarna
{"title":"Preliminary Automatic Analysis of Characteristics of Hypespectral Aviris Images","authors":"N. Ponomarenko, V. Lukin, M. Zriakhov, A. Kaarna","doi":"10.1109/MMET.2006.1689730","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689730","url":null,"abstract":"The need to perform analysis and processing hyperspectral images registered by AVIRIS imager is stated. AVIRIS system basic characteristics are briefly discussed. Then, novel approaches and robust methods for estimation of noise variance and signal-to-noise ratios in band images are proposed. Using them, real life sets of AVIRIS images are analyzed. The basic dependences and conclusions following from the carried out study are presented and considered. Some examples showing that some band images are worth denoising are presented. The methods well suited for this purpose are recommended. Possible approaches to hyperspectral data compression are also discussed","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121785068","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: 13
Exact Near Fields of 2-D Models of Extended Hemielliptic Lenses Made of Rexolite, Quartz and Silicon 反射石、石英和硅扩展半椭透镜的精确近场二维模型
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689717
A. Boriskin, S. Boriskina, R. Sauleau
{"title":"Exact Near Fields of 2-D Models of Extended Hemielliptic Lenses Made of Rexolite, Quartz and Silicon","authors":"A. Boriskin, S. Boriskina, R. Sauleau","doi":"10.1109/MMET.2006.1689717","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689717","url":null,"abstract":"Numerical algorithm based on Muller's boundary integral equations is applied to the accurate analysis of the near fields of 2D models of extended hemielliptic lenses made of rexolite, quartz and silicon. The near field maps are computed for the lenses of 4 wavelengths in width and the incident field taken as a plane wave illuminating the lens in the symmetrical manner. Both E and H-polarized modes are considered. The obtained numerical results highlight the nontrivial behavior of the finite size lenses explained by internal resonances","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126253019","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
Implementation of Various Array Geometreis in Smart Antenna 智能天线中各种阵列几何图形的实现
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689745
F. Gozasht, S. Nikmehr, G. Dadashzadeh, R. Fallahi
{"title":"Implementation of Various Array Geometreis in Smart Antenna","authors":"F. Gozasht, S. Nikmehr, G. Dadashzadeh, R. Fallahi","doi":"10.1109/MMET.2006.1689745","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689745","url":null,"abstract":"Space division multiple access (SDMA) is a promising candidate for improving channel capacity in future wireless communication systems. Since the discrimination performance of the user in the spatial domain depends on the array arrangement, an optimum element arrangement for SDMA should be defined. The pattern of antenna array is determined by array geometry. Two-dimensional spatial filters that can be implemented by microstrip technology are capable of filtering the received signal in the angular domain as well as the frequency domain. This paper focuses on various geometry of eight and nine elements antenna array using circularly patch elements","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126435971","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
Optimization of the Crosstalk of Crossing Microstrips in Multilayered Media Using Lumped Circuit Model 用集总电路模型优化多层介质中交叉微带串扰
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689767
A. Mehdipour, M. Kamarei
{"title":"Optimization of the Crosstalk of Crossing Microstrips in Multilayered Media Using Lumped Circuit Model","authors":"A. Mehdipour, M. Kamarei","doi":"10.1109/MMET.2006.1689767","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689767","url":null,"abstract":"In this paper the optimized structural parameters of the multilayer high-speed MMICs are obtained to minimize the crosstalk of the orthogonal microstrip lines in 1-20 GHz frequency range. The crosstalk is calculated by lumped circuit model of the cross-region using quasi-static methods and solving the related coupled integral equations. The spectral domain Green's function of the structure has been determined by utilization of the real-valued images technique. By using predetermined lumped circuit model, the effects of the physical parameters such as dielectric constant, height and number of layers and width of the traces have been investigated on the coupling factor of crossing interconnections","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126439825","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: 4
Fast Full-Wave Solution for Analysis of Circular-to-Rectangular-Waveguide Multiport Junction 圆-矩形波导多端口结分析的快速全波解
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689802
A. Perov, A.A. Kyrylenko
{"title":"Fast Full-Wave Solution for Analysis of Circular-to-Rectangular-Waveguide Multiport Junction","authors":"A. Perov, A.A. Kyrylenko","doi":"10.1109/MMET.2006.1689802","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689802","url":null,"abstract":"Fast full-wave solution for accurate analysis of circular-to-rectangular-waveguide multiport junction is presented. The solution is based on the mode-matching method. The new solution scheme is proposed and verified","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125254945","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
Scattering of Reflector Antenna with Conic Dielectric Radome 锥形介质天线罩反射面天线的散射特性
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.2528/PIERB08011404
V. Vasilets, O. Sukharevsky, S. Kukobko
{"title":"Scattering of Reflector Antenna with Conic Dielectric Radome","authors":"V. Vasilets, O. Sukharevsky, S. Kukobko","doi":"10.2528/PIERB08011404","DOIUrl":"https://doi.org/10.2528/PIERB08011404","url":null,"abstract":"The calculation method for radar cross-section (RCS) of reflector antenna placed under cone-shape dielectric radome has been proposed. The method based on the integral equations for desired scattering field obtained with using Lorenz lemma. These integral equations considered electromagnetic interaction between antenna dish and radome. The analysis of RCS calculation results for model antenna system with conic dielectric radome has been carried out","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131496052","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: 23
Nonlinear dynamics of globally coupled oscillators: exact solutions 全局耦合振荡器的非线性动力学:精确解
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689857
G. Pritula, V. Pritula, V. Vekslerchik
{"title":"Nonlinear dynamics of globally coupled oscillators: exact solutions","authors":"G. Pritula, V. Pritula, V. Vekslerchik","doi":"10.1109/MMET.2006.1689857","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689857","url":null,"abstract":"In the present paper we study analytically the nonlinear dynamics of globally coupled oscillators in the framework of order parameters approach. The main result is the exact analytical solution of the nonlinear system describing the behavior of the oscillators in the orthogonal reduction. We have obtained complete description of all possible phase portraits, the exact expressions for the attracting manifolds including the limit cycle and have derived analytical solutions for arbitrary initial data","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116959497","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
The Over-Determined Boundary Value Problem Method for the Problems of Electromagnetic Waves Diffraction in the Waveguides with Metallic Bounds 金属边界波导中电磁波衍射问题的超定边值问题方法
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689816
I. Pleshchinskii, N. Pleshchinskii
{"title":"The Over-Determined Boundary Value Problem Method for the Problems of Electromagnetic Waves Diffraction in the Waveguides with Metallic Bounds","authors":"I. Pleshchinskii, N. Pleshchinskii","doi":"10.1109/MMET.2006.1689816","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689816","url":null,"abstract":"The auxiliary over-determined problems for the Maxwell equations set in the semi-infinity cylindrical domains with Cauchy conditions on the face are considered. The integral identities connecting the traces of the solutions on the face are obtained in the case of arbitrary cross-section of the domain. These identities are used to design the regularization method for integral equations of the diffraction problem on the different inhomogeneities in the waveguides with metallic sides. The over-determined boundary value problem for semi-opened semi-infinite waveguide in the two-dimensional case is investigated","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125815331","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
Near-Field Electromagnetic Tomography 近场电磁断层成像
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689726
K. Gaikovich
{"title":"Near-Field Electromagnetic Tomography","authors":"K. Gaikovich","doi":"10.1109/MMET.2006.1689726","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689726","url":null,"abstract":"A new method of the electromagnetic tomography that uses data of the 2-dimensional (2D) scanning of an inhomogeneous half-space along its plane interface has been worked out. Signal parameters should be measured in dependence on a parameter of the received signal that determines the effective depth of its formation. This method is based on the solution of 3D integral equation. The application of this method to the passive and active microwave sounding has been considered, as well as the possibility of its application in the scanning near-field optical microscopy","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"370 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124637220","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
Numerical Gradient Integral-Equation Technique in 2-D Shaped Reflector Synthesis 二维异形反射镜合成中的数值梯度积分方程技术
2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI: 10.1109/MMET.2006.1689867
A.A. Nosich, T. Magath
{"title":"Numerical Gradient Integral-Equation Technique in 2-D Shaped Reflector Synthesis","authors":"A.A. Nosich, T. Magath","doi":"10.1109/MMET.2006.1689867","DOIUrl":"https://doi.org/10.1109/MMET.2006.1689867","url":null,"abstract":"An accurate near-field diffraction synthesis method for 2-D shaped reflectors in the E-polarized wave is presented. The implemented method is based on a singular integral equation (SIE), which is descretized with the method of discrete singularities (MDS). The gradient of the objective function is derived with the aid of a certain SIE whose right-hand part is computed from the electric field SIE for the surface current. Such a semi-analytical gradient method is favorably timesaving and has controlled accuracy of computations","PeriodicalId":236672,"journal":{"name":"2006 International Conference on Mathematical Methods in Electromagnetic Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128356647","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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