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2007 IEEE Applied Electromagnetics Conference (AEMC)最新文献

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The myth and mysteries of Metamaterials — separating the facts from fiction? 超材料的神话和神秘——从虚构中分离事实?
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638067
R. Mittra
{"title":"The myth and mysteries of Metamaterials — separating the facts from fiction?","authors":"R. Mittra","doi":"10.1109/AEMC.2007.4638067","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638067","url":null,"abstract":"In this paper we take a critical look at the emerging field of metamaterials, with a view to understanding their behaviors as well as performance-enhancement capabilities of small antennas. The objective is to see if we can sort out the facts from fiction, and if we can identify the directions along which we might profitably tailor our future research effort on metamaterials.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"38 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124844377","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
Transient analysis of microstrip - like interconnects with ground plane aperture 带地平面孔径的类微带互连的瞬态分析
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4769368
Rohit Sharma, T. Chakravarty, A. Bhattacharyya
{"title":"Transient analysis of microstrip - like interconnects with ground plane aperture","authors":"Rohit Sharma, T. Chakravarty, A. Bhattacharyya","doi":"10.1109/AEMC.2007.4769368","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4769368","url":null,"abstract":"A microstrip - like interconnection with an aperture in the ground plane below the line is investigated. The resultant geometry leads to a sharp variation in the 50% delay time, 90% rise time and ± 5% settling time. Using second - order approximation, the transient analysis of such an interconnection is presented in this paper. The interconnect parameters are extracted using variational technique and are validated by FDTD and SPICE simulations. The results presented in this work can be practically used for time - domain analysis of microstrip lines also. The results can be useful in design of high - speed interconnections for MCM, RF and PCB related applications.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130495874","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 electromagnetic radiation and scattering using hybrid higher order FETD-FDTD method 电磁辐射和散射的高阶fdtd混合仿真
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638045
N. Venkatarayalu, L. Li
{"title":"Simulation of electromagnetic radiation and scattering using hybrid higher order FETD-FDTD method","authors":"N. Venkatarayalu, L. Li","doi":"10.1109/AEMC.2007.4638045","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638045","url":null,"abstract":"The stable hybrid finite element time domain - finite difference time domain (FETD-FDTD) method is extended by incorporating higher order hierarchical basis functions in the finite element region. The use of unstructured tetrahedral elements in the modeling of antenna structure enables the application of the hybrid method to accurately model geometrically complex radiators. Pyramidal elements are used in the transition from unstructured tetrahedral elements to structured hexahedral elements of the FDTD grid. The finite element formulation incorporates the excitation of antennas using coaxial line or stripline feed with transverse electromagnetic mode (TEM). Traditional FDTD method with anisotropic perfectly matched layer (PML) is used to simulate unbounded media. The technique is extended for scattering problems, enabling the modeling and simulation of reception by antennas. Application of this method in the modeling of typical wideband antennas along with the numerical results is presented.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123598703","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
Design of ultra-wideband antenna matching networks 超宽带天线匹配网络的设计
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638051
B. Yarman
{"title":"Design of ultra-wideband antenna matching networks","authors":"B. Yarman","doi":"10.1109/AEMC.2007.4638051","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638051","url":null,"abstract":"In this review paper, modern methods, so called the real frequency techniques to design broadband matching network are covered, a design roadmap is given with relevant recommendations. Measured performances of the recently designed and manufactured ultra-wideband matching circuits are outlined for various applications.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121506758","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: 62
An experimental study on compact dual frequency microstrip antenna 小型双频微带天线的实验研究
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638014
M. Bhattacharya
{"title":"An experimental study on compact dual frequency microstrip antenna","authors":"M. Bhattacharya","doi":"10.1109/AEMC.2007.4638014","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638014","url":null,"abstract":"In order to meet the miniaturization requirements of portable communication equipment, researchers have given much attention to compact microstrip antenna. The size reduction and bandwidth enhancement are becoming major design consideration for practical applications of microstrip antennas.Nowadays patch antennas with slots are being investigated to make the antenna more compact and broadband, patches with single slot on its non radiating edges have been cut to yield a 2:1 VSWR bandwidth in the range of 10-20%.In this work compact dual frequency structure of three microstrip antennas were studied & simulated so that the measured performance can be predicted within reasonable accuracy.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130924914","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
Design of multi-band microstrip Yagi Uda Antenna 多波段微带八木田天线的设计
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638002
R. Kumar, P. Malathi
{"title":"Design of multi-band microstrip Yagi Uda Antenna","authors":"R. Kumar, P. Malathi","doi":"10.1109/AEMC.2007.4638002","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638002","url":null,"abstract":"This paper presents the design of Fractal Microstrip Yagi Uda Antenna. This antenna has been modeled by incorporating fractal geometry in microstrip technology applying the conventional Yagi-Uda principle. The antenna has been designed on substrate epsivr =4.3 and h=1.53 mm using Sierpinski gasket. The Sierpinski gasket as Driver, Reflector and Director of height 80 mm, 83 mm, 77 mm respectively are used. This antenna has been simulated using FDTD code. It has been observed that Yagi - Uda antenna resonant at three frequencies i..e. 0.370 GHz, 1.795 GHz and 3.665 GHz. The radiation pattern of antenna at all frequency are as similar. The experimental resonant frequencies are in good agreement with simulated resonant frequencies.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133732367","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
Neural network based CAD models for analysis and design of fin-lines for mm-wave applications 基于神经网络的毫米波鳍线分析与设计CAD模型
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638056
C. Pandit, A. Patnaik, S. Sinha
{"title":"Neural network based CAD models for analysis and design of fin-lines for mm-wave applications","authors":"C. Pandit, A. Patnaik, S. Sinha","doi":"10.1109/AEMC.2007.4638056","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638056","url":null,"abstract":"Neural network (NN) based CAD models have been developed for analysis and design of fin-lines. In the analysis phase, the network takes the dimensional parameters of the finline structure as its input and gives the characteristic impedance (Z0) and normalized guided wavelength (b/lambdacf) as its output. Another network, trained for design, takes Z0 along with other dimensions as input and produces the normalized gap width between fins (w/b) as output. A multilayer perceptron trained in the back-propagation mode is used to develop the networks. Results for unilateral fin-line is presented in this paper.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115069897","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 decade of microstrip technology in Orissa 奥里萨邦十年的微带技术
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638061
N. Das, R. K. Mishra
{"title":"A decade of microstrip technology in Orissa","authors":"N. Das, R. K. Mishra","doi":"10.1109/AEMC.2007.4638061","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638061","url":null,"abstract":"This article presents the status of microstrip technology in the State of Orissa (India) over the last decade. It identifies the areas of research, the problems faced by the people involved in this technology and how these problems have been tackled.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"14 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120847088","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
Balanced amplifying antenna for circular polarization 圆极化平衡放大天线
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638020
S. Behera, R. K. Mishra, D. R. Poddar
{"title":"Balanced amplifying antenna for circular polarization","authors":"S. Behera, R. K. Mishra, D. R. Poddar","doi":"10.1109/AEMC.2007.4638020","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638020","url":null,"abstract":"A balanced amplifier based rectangular microstrip patch antenna is proposed that exhibit circularly polarized radiation. The inherent benefits of good isolation between input and out put ports as well improved matching capabilities of balanced amplifiers provide overall system gain of 5.21 dB. This system will be immune to the spectral impurity, since microstrip patch antenna basically being high Q device posses a narrowband to support any harmonic fruitfully.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"640 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132968573","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
Microstrip activities in SAMEER Kolkata Centre SAMEER加尔各答中心的微带活动
2007 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2007-12-01 DOI: 10.1109/AEMC.2007.4638063
S. Chakrabarti
{"title":"Microstrip activities in SAMEER Kolkata Centre","authors":"S. Chakrabarti","doi":"10.1109/AEMC.2007.4638063","DOIUrl":"https://doi.org/10.1109/AEMC.2007.4638063","url":null,"abstract":"This paper describes different microstrip antenna and circuit development activities over the last decade in SAMEER Kolkata Centre. Brief description of different microstrip antennas and circuits has been outlined. Possible design details have been narrated and important salient features are mentioned. Design optimizations have been carried out using method of moment (MoM) based commercial simulation software IE3D. Antennas and circuits have been fabricated and tested. Close agreement between theoretical results and test results have been observed. Some of the test results are displayed.","PeriodicalId":397229,"journal":{"name":"2007 IEEE Applied Electromagnetics Conference (AEMC)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126284107","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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