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2013 IEEE Applied Electromagnetics Conference (AEMC)最新文献

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New circularly polarized resonance cavity antenna 新型圆极化谐振腔天线
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045051
Koushik Dutta, D. Guha, Tanmoy Kundu
{"title":"New circularly polarized resonance cavity antenna","authors":"Koushik Dutta, D. Guha, Tanmoy Kundu","doi":"10.1109/AEMC.2013.7045051","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045051","url":null,"abstract":"Single feed circularly polarized resonance cavity antenna (RCA) has been studied for high axial ratio bandwidth (AR-BW). Metallic superstrate layer placed over a dielectric resonator antenna (DRA) is explored for such design. Optimized AR-BW has been achieved through intensive parametric study. The antenna is capable to deliver high axial ratio as well as matching bandwidth (over 12.6%) with more than 28° of beamwidth.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115009245","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
A novel compact comb shaped EBG structure for coupling reduction in WIMAX band 一种用于WIMAX频段耦合减小的新型紧凑梳状EBG结构
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045105
B. Majumder, K. Krishnamoorthy, J. Mukherjee
{"title":"A novel compact comb shaped EBG structure for coupling reduction in WIMAX band","authors":"B. Majumder, K. Krishnamoorthy, J. Mukherjee","doi":"10.1109/AEMC.2013.7045105","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045105","url":null,"abstract":"A novel dual band compact near to edge located via-comb shape EBG (NELV-CEBG) has been proposed and its compactness has been studied. A good reduction level of 8-21 dB has been observed when 7×3 matrix of the proposed structure has been applied to enhance the isolation between the patch antenna arrays operating over WIMAX band.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"419 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116505137","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
Synthesis of amplitude taper beam steered linear array using Particle Swarm Optimization and Tschebyscheff polynomial 基于粒子群优化和Tschebyscheff多项式的振幅锥束操纵线性阵列合成
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045027
Soumyo Chatterjee, S. Chatterjee, D. R. Poddar
{"title":"Synthesis of amplitude taper beam steered linear array using Particle Swarm Optimization and Tschebyscheff polynomial","authors":"Soumyo Chatterjee, S. Chatterjee, D. R. Poddar","doi":"10.1109/AEMC.2013.7045027","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045027","url":null,"abstract":"In this paper, a novel method has been proposed to achieve reduced side lobe level (SLL) for beam steered linear array of isotropic elements. Tschebyscheff polynomial and Particle Swarm Optimization (PSO) algorithm has been used to develop the proposed method. In the proposed method search space for PSO has been defined using Tschebyscheff polynomial for an amplitude taper beam steered linear array. PSO with the information of where to search finds the optimum excitation amplitude of the beam steered linear array to achieve reduced SLL.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128130120","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
Design considerations of reconfigurable and tunable planar antennas 可重构可调谐平面天线的设计考虑
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045070
S. Sharma
{"title":"Design considerations of reconfigurable and tunable planar antennas","authors":"S. Sharma","doi":"10.1109/AEMC.2013.7045070","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045070","url":null,"abstract":"Reconfigurable and tunable antennas are getting popular because of reduced number of antennas to meet several wireless communication applications on a given devices such as Mobile phone, tablets, laptop and wireless routers. However, this benefit comes at the cost of some trade-offs such as complexity in antenna simulation design, fabrication and experimental verification including reduced antenna performance than a passive antenna. In this talk, some of these aspects will be presented based on the research work being performed at San Diego State University. Interested readers are encouraged to read reference papers for additional details.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128512964","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 planar elliptical shaped UWB antenna with triple band notch characteristics using hybrid fractal slots 基于混合分形槽的平面椭圆型超宽带三波段陷波天线
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045110
A. Gorai, C. Goswami, Manimala Pal, R. Ghatak
{"title":"A planar elliptical shaped UWB antenna with triple band notch characteristics using hybrid fractal slots","authors":"A. Gorai, C. Goswami, Manimala Pal, R. Ghatak","doi":"10.1109/AEMC.2013.7045110","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045110","url":null,"abstract":"A planar CPW-fed ultra wideband (UWB) monopole antenna with triple band notch characteristics is presented in this paper. A combination of Moore curve and Euclidean curve to create a hybrid fractal slot that is etched out from the radiator results in creating band notches centered at 5.5GHz and 8.1GHz. The band notch centered at 6.8GHz is obtained by Moore fractal slots etched from the ground planes. The impedance bandwidth of the proposed antenna covers frequency range from 2.8GHz to 12 GHz. The simulated peak gain is 4 dBi. The group delay profile is almost linear within the passband. Stable radiation patterns are observed within the operating range.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127972614","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
Specific Absorption Rate evaluation in apple exposed to RF radiation from GSM mobile towers 苹果在GSM移动信号塔射频辐射下的比吸收率评价
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045044
Ardhendu Kundu
{"title":"Specific Absorption Rate evaluation in apple exposed to RF radiation from GSM mobile towers","authors":"Ardhendu Kundu","doi":"10.1109/AEMC.2013.7045044","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045044","url":null,"abstract":"Specific Absorption Rate (SAR) is a measure of the rate at which energy is absorbed by an object when exposed to an electromagnetic field. SAR evaluation at different human organs due to cell phone radiation is very common today. On the other hand, none has yet considered that the plants, fruits and crops get exposed to RF radiation from cell phone towers 24 hours a day without any shielding. Therefore, the purpose of this research paper is to evaluate SAR in apple fruit (in tree) due to radiation coming from cell phone towers in GSM bands at controlled and public exposure zones. SAR has been evaluated in an apple with CST MICROWAVE STUDIO (CST-MWS) simulator based on Finite Integration Technique (FIT).","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122205739","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: 7
An efficient feed for dielectric lens antenna at 140 GHz 140 GHz介质透镜天线的高效馈源
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045015
Raj Kumar, P. K. Verma, Mahakar Singh
{"title":"An efficient feed for dielectric lens antenna at 140 GHz","authors":"Raj Kumar, P. K. Verma, Mahakar Singh","doi":"10.1109/AEMC.2013.7045015","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045015","url":null,"abstract":"Present paper describes the design, simulation, optimization and development of a dual mode horn at 140 GHz. The operating bandwidth of the antenna is more than 10 GHz. The antenna has low side lobe level and low cross polarization. It has been used as a feed horn for dielectric lens antenna developed for passive millimeter wave imaging sensor.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126547742","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
Reduction of ohmic loss in planar circuits and antennas using laminated conductors 利用层压导体减少平面电路和天线中的欧姆损耗
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045072
L. Shafai, S. Latif
{"title":"Reduction of ohmic loss in planar circuits and antennas using laminated conductors","authors":"L. Shafai, S. Latif","doi":"10.1109/AEMC.2013.7045072","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045072","url":null,"abstract":"Modifying a solid conductor with multiple thin laminated conductors can significantly reduce the ohmic loss of microstrip conductors. This concept can be used in circuits and antennas where substantial conductor loss occurs. The lamination in the composite material is realized using dielectric material. The laminating dielectric thickness is smaller or of the order of the skin depth of the conductor. First, it is shown analytically that in this composite material, the power lost is less in the conductor with several laminated conductors instead of a single solid conductor having the same thickness. The concept can be used in miniaturized antennas having poor gain due to a very high ohmic loss to improve their gain and efficiency by reducing the loss using multiple laminated conductors.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129063672","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
An ultra-thin polarization-independent wide-angle metamaterial absorber for dual-band applications 用于双波段应用的超薄偏振无关广角超材料吸收体
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045064
Yadunath Kaiprath, Saptarshi Ghosh, S. Bhattacharya, K. V. Srivastava
{"title":"An ultra-thin polarization-independent wide-angle metamaterial absorber for dual-band applications","authors":"Yadunath Kaiprath, Saptarshi Ghosh, S. Bhattacharya, K. V. Srivastava","doi":"10.1109/AEMC.2013.7045064","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045064","url":null,"abstract":"This paper proposes an ultra-thin polarization-independent metamaterial absorber for dual band applications. The single unit cell consists of two cave ring resonators backed by metallic plane separated by a dielectric layer. The dimensions of the structure have been optimized so that absorptions take place at two distinct frequencies 5.8 and 8.83 GHz (with absorptivities 99.1% and 99.5% respectively) operating at the FCC radar frequency spectrum. The proposed structure is more compact, consuming lesser area compared to the conventional rectangular closed-ring resonators. It is polarization-insensitive and also shows high absorption (above 80%) upto 60° for both TE and TM incidence.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127828555","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
Electromagnetic design and testing of carbon black and carbon fiber-epoxy composites for defence stealth applications 国防隐身用炭黑和碳纤维环氧复合材料的电磁设计和测试
2013 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2013-12-01 DOI: 10.1109/AEMC.2013.7045065
H. Baskey, M. Akhtar
{"title":"Electromagnetic design and testing of carbon black and carbon fiber-epoxy composites for defence stealth applications","authors":"H. Baskey, M. Akhtar","doi":"10.1109/AEMC.2013.7045065","DOIUrl":"https://doi.org/10.1109/AEMC.2013.7045065","url":null,"abstract":"This paper describes the design procedures and the electromagnetic testing of carbon black and carbon fiber-epoxy composites for their applications as electromagnetic absorbers. The designed absorber composites are fabricated and tested in the microwave frequency range using the proposed partially filled rectangular waveguide setup. The measured performance of absorber composites shows the reflection loss of at least 13 dB i.e., absorption of 95% throughout the `X' band frequency region. The minima of the reflection loss having value of 28.5 dB i.e., absorption of 99.8% is observed at 10.30 GHz for the optimized sample thickness of 2.5 mm. The wide band absorption and adhesion characteristics of the designed electromagnetic absorber composite having a metallic background makes it a potential candidate for the defense stealth applications.","PeriodicalId":169237,"journal":{"name":"2013 IEEE Applied Electromagnetics Conference (AEMC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132928524","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
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