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2015 IEEE International Conference on Computational Electromagnetics最新文献

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Discussion of conversion theory between mixed-mode S-parameters and T-parameters for differential circuit with and without common-mode suppression 有无共模抑制的差分电路混合模s参数与t参数转换理论的讨论
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052588
Jie Yang, Wai‐Wa Choi, K. Tam
{"title":"Discussion of conversion theory between mixed-mode S-parameters and T-parameters for differential circuit with and without common-mode suppression","authors":"Jie Yang, Wai‐Wa Choi, K. Tam","doi":"10.1109/COMPEM.2015.7052588","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052588","url":null,"abstract":"Recently, mixed-mode S-parameters are becoming more and more important due to the widely used of differential circuits in the RF and microwave area. In the single-end network, designing process based on the S-parameters is one of the most common and convenient approaches, and the Chain Scattering parameters allows the ease of design for the cascade topology. A parameter conversion theory was reported for the transformation between mixed-mode scattering parameters (S-matrix) and chain scattering parameters (T-matrix) for the differential two-port networks. In this paper, measurement results of a practical differential UWB bandpass filter with Common-mode suppression is applied to the said conversion theory and it is found that the reported method is not applicable to the differential circuit with well common-mode rejection.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"5 1","pages":"153-155"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73110794","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
On the choice of basis functions for the meshless radial point interpolation method with small local support domains 小局部支持域无网格径向点插值法基函数的选择
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052637
Z. Shaterian, T. Kaufmann, C. Fumeaux
{"title":"On the choice of basis functions for the meshless radial point interpolation method with small local support domains","authors":"Z. Shaterian, T. Kaufmann, C. Fumeaux","doi":"10.1109/COMPEM.2015.7052637","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052637","url":null,"abstract":"The behavior of two different types of basis functions for the meshless Radial Point Interpolation Method (RPIM) is investigated in this paper. A 2D test function is interpolated through Gaussian and Wendland basis functions and the approximation errors on the low-order derivatives of the test function are calculated. It is shown that the Gaussian basis function is more appropriate for the interpolation in small support domains whereas Wendland basis function is more accurate for larger support domains.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"3 1","pages":"288-290"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89056115","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
Microwave imaging with random sparse array and compressed sensing for target detection 基于随机稀疏阵列和压缩感知的微波成像目标检测
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052578
Ling Huang, Yilong Lu
{"title":"Microwave imaging with random sparse array and compressed sensing for target detection","authors":"Ling Huang, Yilong Lu","doi":"10.1109/COMPEM.2015.7052578","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052578","url":null,"abstract":"This paper presents a study of Synthetic Aperture Radar (SAR) imaging based on random sparse array (RSA) and compressed sensing (CS) for target detection. Extensive numerical experiments based on real RSA measurement data are carried out and statistical analysis is performed to compare the performances of the CS technique and back-projection (BP) method using RSA. Performance analysis of the results show that RSA-CS method has better performance than the RSA-BP method and can achieve acceptable performance with much smaller data amount than full SAR imaging.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"17 1","pages":"124-125"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88970318","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
A domain decomposition method for electromagnetic radiation of large-scale arrays 大型阵列电磁辐射的区域分解方法
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052584
P. Gu, T. Su, Z. Fan, R. Chen
{"title":"A domain decomposition method for electromagnetic radiation of large-scale arrays","authors":"P. Gu, T. Su, Z. Fan, R. Chen","doi":"10.1109/COMPEM.2015.7052584","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052584","url":null,"abstract":"A domain decomposition method based on equivalence principle algorithm is used for analyzing and calculating radiation problems of large-scale arrays. The adaptive cross approximation method is introduced to accelerate computing the translate operator, and the repeatability of the array is removed. Numerical results demonstrate that the time consumption and the memory usage are all reduced.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"40 1","pages":"141-143"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83449282","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
Characteristic modes — An intuitive approach for antenna design 特征模式-天线设计的直观方法
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052536
D. Manteuffel
{"title":"Characteristic modes — An intuitive approach for antenna design","authors":"D. Manteuffel","doi":"10.1109/COMPEM.2015.7052536","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052536","url":null,"abstract":"The decomposition of the current distribution on an antenna into its so-called Characteristic Modes can offer some intuitive insight into the antenna concept. In this paper a new software currently under development at Kiel university is presented. It includes some parameters derived from the characteristic mode analysis that have proven to be very useful for the design of antennas for smartphones as well as antennas for automotive applications.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"95 1","pages":"8-9"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75547203","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
A low-frequency stable finite-element formulation for modal waveguide analysis 模态波导分析的低频稳定有限元公式
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052656
R. Baltes, O. Farle, R. Dyczij-Edlinger, J. Al Ahmar
{"title":"A low-frequency stable finite-element formulation for modal waveguide analysis","authors":"R. Baltes, O. Farle, R. Dyczij-Edlinger, J. Al Ahmar","doi":"10.1109/COMPEM.2015.7052656","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052656","url":null,"abstract":"This paper presents a low-frequency stable finite element formulation in terms of the electric fiel and the magnetic flu density for the modal analysis of waveguides. In contrast to competing methods, the eigenvalues of the proposed formulation represent propagation coefficient rather than their squares, which allows to resolve solutions close to zero more accurately.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"108 1","pages":"344-346"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79333346","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
Eigenanalysis of photonic structures based on finite element with efficient suppression of spurious modes 基于有效抑制杂散模的有限元光子结构特征分析
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052580
C. Zekios, P. Allilomes, G. Kyriacou
{"title":"Eigenanalysis of photonic structures based on finite element with efficient suppression of spurious modes","authors":"C. Zekios, P. Allilomes, G. Kyriacou","doi":"10.1109/COMPEM.2015.7052580","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052580","url":null,"abstract":"The establishment of finite element based eigenanalysis as a numerical tool for the indepth understanding and revealing the characteristics of Terahertz and photonic structures, constitute the scope of this work. A tree-cotree splitting formulation method is used for the removal of imaginary and dc spurious modes. The Ritz vectors are appropriately restricted during the linearization technique of the polynomial eigenproblem. The capabilities of the method are demonstrated presenting certain microdisk and microrings whispering gallery modes eigenvalues and eigenvectors.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"75 1","pages":"129-131"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90575652","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
Three dimensional electromagnetic invisibility cloak with arbitrary shapes 任意形状的三维电磁隐形斗篷
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052551
Wei Tang, Yan Shi, Long Li
{"title":"Three dimensional electromagnetic invisibility cloak with arbitrary shapes","authors":"Wei Tang, Yan Shi, Long Li","doi":"10.1109/COMPEM.2015.7052551","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052551","url":null,"abstract":"Based on metamaterials and transformation optics theory, we develops a method to design 3D invisibility cloak with arbitrary shapes. The proposed electromagnetic invisibility cloak can perfectly hide the target object with arbitrary shapes and materials. Full-wave simulation results demonstrate that 3D electromagnetic invisibility cloaks designed by the proposed method have good performance for hiding objects.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"131 1","pages":"47-49"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73463182","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
Electromagnetic space, time and space-time processing for MMW and THz technology 毫米波和太赫兹技术的电磁空间、时间和时空处理
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052539
C. Caloz
{"title":"Electromagnetic space, time and space-time processing for MMW and THz technology","authors":"C. Caloz","doi":"10.1109/COMPEM.2015.7052539","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052539","url":null,"abstract":"The paper will present the author's vision for space, time and space-time processing as a potential solution for tomorrow's millimeter-wave (mmw) and terahertz (THz) technology. In each case, it will present fundamental concepts, novel electromagnetic devices and potential applications.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"6 1","pages":"16-18"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78308346","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
A reduced order model for electromagnetic scattering using multilevel Krylov subspace splitting 基于多级Krylov子空间分裂的电磁散射降阶模型
2015 IEEE International Conference on Computational Electromagnetics Pub Date : 2015-03-05 DOI: 10.1109/COMPEM.2015.7052655
N. Kumar, K. Vinoy, S. Gopalakrishnan
{"title":"A reduced order model for electromagnetic scattering using multilevel Krylov subspace splitting","authors":"N. Kumar, K. Vinoy, S. Gopalakrishnan","doi":"10.1109/COMPEM.2015.7052655","DOIUrl":"https://doi.org/10.1109/COMPEM.2015.7052655","url":null,"abstract":"Traditional moment matching (Taylor expansion) based reduced order modeling in electromagnetics is known to be narrowband due to ill-conditioned moment generation process. In recent years, multipoint well-conditioned broadband asymptotic waveform evaluation techniques have been introduced that use implicit orthogonalization. These techniques are inherently sequential and difficult to parallelize. This paper introduces an elegant subspace splitting technique that is parallelizable and easy to implement. The technique is shown to match moments and is thus accurate. A wideband scattering problem is used to demonstrate the technique.","PeriodicalId":6530,"journal":{"name":"2015 IEEE International Conference on Computational Electromagnetics","volume":"60 1","pages":"341-343"},"PeriodicalIF":0.0,"publicationDate":"2015-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86919416","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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