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2010 International Conference on Electromagnetics in Advanced Applications最新文献

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Dual-band RFID-reader antenna using annular plate with curved and rectangular slots 双频rfid阅读器天线采用环形板与弯曲和矩形槽
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5651264
C. Phongcharoenpanich, R. Suwalak
{"title":"Dual-band RFID-reader antenna using annular plate with curved and rectangular slots","authors":"C. Phongcharoenpanich, R. Suwalak","doi":"10.1109/ICEAA.2010.5651264","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5651264","url":null,"abstract":"A dual-band antenna for the reader of the Radio Frequency Identification (RFID) applications is proposed. The antenna design to achieve the dual-frequency band is carried out by using the annular plate with curved and rectangular slots. The simulation is done by using CST based on the Finite Integral Method. Furthermore, the parameters of antenna are optimized with the Quasi Newton method. The effects of antenna parameters are analyzed. Along the UHF-RFID band, the pattern is unidirectional beam. The half-power beamwidths in xz- and yz- planes are 78 and 64 degrees, respectively. The bandwidth covers 911–925.6 MHz. The directivity is 8.33 dBi. For 2.45 GHz band, the pattern is also unidirectional beam. The half-power beamwidths in xz- and yz-planes are 58 and 21 degrees, respectively. The bandwidth covers 2.32–2.52 GHz. The gain is 9–10.5 dBi.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126211321","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: 22
Optimization of a dual-layer reflectarray antenna by means of soft-computing techniques 基于软计算技术的双层反射天线优化设计
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5650994
M. Mussetta, P. Pirinoli, P. T. Cong, M. Orefice, R. Zich
{"title":"Optimization of a dual-layer reflectarray antenna by means of soft-computing techniques","authors":"M. Mussetta, P. Pirinoli, P. T. Cong, M. Orefice, R. Zich","doi":"10.1109/ICEAA.2010.5650994","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5650994","url":null,"abstract":"The nature of reflectarray (RA) optimization problems is intrinsically multi-target and therefore the use of a multi-objective optimization scheme is particularly convenient, although it can be computationally expensive. In this paper some considerations on the characterization and optimization of a RA are presented. The results of the use of efficient approaches for the modeling of the planar RA or of its elementary components are introduced: all of them tend to improve the numerical efficiency of the optimization procedure, without losing in accuracy. Numerical results are provided for the optimization of a dual layer reflectarray antenna with innovative radiating elements, for use in the base station of the WISPERS Project (Wireless Infomobility System for ultra-light Platforms for Emergency Radio Services), which is based on an innovative Unmanned Air Vehicle (UAV).","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129811932","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
Measurements of microwave backscatter from sea surface using L-band multi-channel receiver 利用l波段多通道接收机测量海面微波后向散射
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5653657
Y. Dong, D. Merrett, D. Crisp
{"title":"Measurements of microwave backscatter from sea surface using L-band multi-channel receiver","authors":"Y. Dong, D. Merrett, D. Crisp","doi":"10.1109/ICEAA.2010.5653657","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5653657","url":null,"abstract":"The authors conducted a sea clutter trial using a DSTO (Defence Science and Technology Organisation, Australia) built, vertically polarised, L-band, 16-channel receive array in May 2008 on the Kangaroo Island, South Australia. This paper studies some properties of the collected sea clutter, with an emphasis on observations of the interaction of electromagnetic waves with changes of the sea surface due to changes in observation direction and/or variation of wind.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129738753","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
Stopping car engines using high power electromagnetic pulses 使用高功率电磁脉冲停止汽车发动机
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5653113
K. Hong, S. Braidwood
{"title":"Stopping car engines using high power electromagnetic pulses","authors":"K. Hong, S. Braidwood","doi":"10.1109/ICEAA.2010.5653113","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5653113","url":null,"abstract":"High-power electromagnetic (HPEM) technology, and the associated effects it can have on modern electronics, is of interest for a variety of non-lethal applications, such as ending dangerous car pursuits and access denial to suspect vehicles. In this paper, we present concepts for using HPEM pulses as a means to remotely stop the engines of cars, describe potential technologies and systems, discuss susceptibility of key components, and present an overview of our recent test results.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130493755","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: 17
Optimal positions of loading for a shortened resonant monopole using genetic algorithm 用遗传算法求解短谐振单极子的最优加载位置
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5650958
S. Zhao, C. Fumeaux, C. Coleman
{"title":"Optimal positions of loading for a shortened resonant monopole using genetic algorithm","authors":"S. Zhao, C. Fumeaux, C. Coleman","doi":"10.1109/ICEAA.2010.5650958","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5650958","url":null,"abstract":"The size reduction for resonant monopoles is an important issue for HF and VHF antennas. Unfortunately, size reduction results in degradation in both efficiency and bandwidth, as is well known from the fundamental limits on small antennas [1]. This paper firstly introduces a MATLAB-controlled NEC2 simulation tool with genetic algorithm optimization, and uses this to find the optimal position of inductors for a shortened monopole with L-section matching networks. Trade-offs between bandwidth and efficiency are investigated and demonstrated in a systematic fashion for a single inductor case. Various multi-inductor loading schemes are also investigated; including central symmetrically distributed and arbitrarily distributed two-inductor loading schemes. The ultimate goal of the research is to find an optimal distribution of inductors on a reduced-size resonant monopole.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116514127","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
On the pulsed fields waveform dependent characteristics of NEMP simulation NEMP仿真中脉冲场波形依赖特性研究
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5653942
Chun Wang, Da-gang Xie, Nan Wu, Wenwu Song
{"title":"On the pulsed fields waveform dependent characteristics of NEMP simulation","authors":"Chun Wang, Da-gang Xie, Nan Wu, Wenwu Song","doi":"10.1109/ICEAA.2010.5653942","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5653942","url":null,"abstract":"This paper investigates the pulsed fields waveform dependent characteristics of NEMP simulation. The termination impedance, the absorbing impedance of NEMP (nuclear electromagnetic pulse) simulator and the structures of simulator' s influence on waveform of test region of NEMP simulator have investigate intensively. The conclusions of this paper can provide guidance to the design of NEMP simulator.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116354694","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
Global 3-D full-Maxwell's equations FDTD modeling of the effects of space weather on the Earth-ionosphere system 空间天气对地球-电离层系统影响的全局三维全麦克斯韦方程组FDTD建模
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5652139
J. Simpson
{"title":"Global 3-D full-Maxwell's equations FDTD modeling of the effects of space weather on the Earth-ionosphere system","authors":"J. Simpson","doi":"10.1109/ICEAA.2010.5652139","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5652139","url":null,"abstract":"The historical record indicates the possibility of extraordinarily intense coronal mass ejections (CMEs). The largest documented CME occurred in 1859. This CME caused telegraph operators communicating over 100-km-long wire lines to experience electric shocks, some nearly fatal. Further, business transactions requiring telegraphic exchanges were completely shut down in the world's major capitals.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126360954","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
Analysis of the impact of phase- and amplitude distortions on the beam accuracy of active antenna arrays for mobile communication 相位和幅度畸变对移动通信有源天线阵列波束精度的影响分析
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5651734
F. Pivit, Daniel Markert
{"title":"Analysis of the impact of phase- and amplitude distortions on the beam accuracy of active antenna arrays for mobile communication","authors":"F. Pivit, Daniel Markert","doi":"10.1109/ICEAA.2010.5651734","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5651734","url":null,"abstract":"In this paper a statistical analysis of the impact of phase- and amplitude-distortions on the performance of active antenna arrays for mobile communication base stations is presented. The cause and influence of different contributors to these distortions is described and the allowable phase- and amplitude-margins that need to be reached for mobile communication base station applications are derived. Finally a test setup of a distributed active antenna is implemented and it is shown, that the required accuracy can be achieved with standard RF-circuit design and components.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128701350","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
Domain decomposition techniques applied to finite array modeling 区域分解技术在有限阵列建模中的应用
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5651414
J. Martinaud, G. Salin
{"title":"Domain decomposition techniques applied to finite array modeling","authors":"J. Martinaud, G. Salin","doi":"10.1109/ICEAA.2010.5651414","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5651414","url":null,"abstract":"This paper presents a numerical method developed in order to compute the performances of antenna arrays taken into account coupling between radiating elements and edge effects. This method is based on domain decomposition techniques applied to boundary element solver.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128772660","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: 6
A quasi-three dimensional Multi-Level Green's Function Interpolation Method for multilayered structures 多层结构的准三维多层格林函数插值方法
2010 International Conference on Electromagnetics in Advanced Applications Pub Date : 2010-12-03 DOI: 10.1109/ICEAA.2010.5652240
H. G. Wang, H. Li, D. Liu, X. H. Yu
{"title":"A quasi-three dimensional Multi-Level Green's Function Interpolation Method for multilayered structures","authors":"H. G. Wang, H. Li, D. Liu, X. H. Yu","doi":"10.1109/ICEAA.2010.5652240","DOIUrl":"https://doi.org/10.1109/ICEAA.2010.5652240","url":null,"abstract":"This paper provides a quasi-three dimensional version of Multi-Level Green's Function Interpolation Method for multilayered problems. In this method the cross level interfaction phase is used to enhance the interpolation efficiency for the multilayered problems with vias and patches. The numerical analysis shows the efficiency of this method.","PeriodicalId":375707,"journal":{"name":"2010 International Conference on Electromagnetics in Advanced Applications","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133543848","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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