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Phased array of switched-beam elements and its applications 开关波束元件相控阵及其应用
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430583
M. Krairiksh
{"title":"Phased array of switched-beam elements and its applications","authors":"M. Krairiksh","doi":"10.1109/AEMC.2009.5430583","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430583","url":null,"abstract":"This paper describes principle of a phased array of switched-beam elements (PASE). Variety of radiation patterns can be produced using four one-bit phase shifters and beam-switchable array elements. Some interesting applications of this antenna are illustrated.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130603657","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
Multi frequency operation of stacked patch antenna with Omega array sandwiched 夹有欧米伽阵列的堆叠贴片天线的多频工作
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430679
S. Sahu, D. R. Poddar, R. K. Mishra
{"title":"Multi frequency operation of stacked patch antenna with Omega array sandwiched","authors":"S. Sahu, D. R. Poddar, R. K. Mishra","doi":"10.1109/AEMC.2009.5430679","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430679","url":null,"abstract":"A multi frequency microstrip stacked patch antenna sandwiched with omega array is proposed. The antenna features a multi frequency behavior(three operating bands) with similar gain. The Microstrip patch antenna on metamaterial substrates is loaded with Hexagonal - Omega structure. The proposed antenna utilizes Hexagonal - Omega structure in the ground plain altering the effective medium parameters of the substrate. To characterize the performance of the Hexagonal - Omega loaded microstrip antenna, the metamaterial substrate has been modeled as an effective medium with extracted constitutive parameters. The comparison of the impedance bandwidth between the microstrip patch antenna on a conventional high permittivity substrate and with the Hexagonal - Omega structure loaded metamaterial substrate is presented.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"197 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132277011","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
An exact analysis of coplanar waveguides and strip lines with full-wave method 用全波法精确分析共面波导和带状线
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430599
H. Jia
{"title":"An exact analysis of coplanar waveguides and strip lines with full-wave method","authors":"H. Jia","doi":"10.1109/AEMC.2009.5430599","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430599","url":null,"abstract":"An new formula of coplanar waveguide and strip lines with full-wave method based on Fourier transform technique with modified perfectly matching boundary(MPMB). In the formula, the singularity are accurately considered. All the infinite integrals are calculated by a residue method, in which they are transformed into infinite summations with very fast convergence. The introduced MPMB ensure that the computing accuracy is very high. The proposed method will give a very accuracy and fast convergent solution. This method is also suitable for all the coplanar waveguides and strip lines with lossy substructure.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"131 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114004486","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
Development of 350 MHz quarter wave coaxial resonator for power coupler testing 功率耦合器测试用350 MHz四分之一波同轴谐振器的研制
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430595
R. Kumar, G. Singh, P. Singh
{"title":"Development of 350 MHz quarter wave coaxial resonator for power coupler testing","authors":"R. Kumar, G. Singh, P. Singh","doi":"10.1109/AEMC.2009.5430595","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430595","url":null,"abstract":"High Power Coaxial RF Couplers (50 kW, CW, 350 MHz) with inductive coupling are presently under development at NPD, BARC. These couplers require high power conditioning for their successful operation. A compact coaxial resonator has been designed and developed. Low power prototype has been tested and tuned to the desired frequency with good agreement between CST Microwave simulations and measurement results. In this paper salient features of these developments are presented.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"222 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115536033","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 Sierpinski carpet fractal based design of thinned rectangular microstrip antenna array 基于Sierpinski地毯分形的薄矩形微带天线阵列设计
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430688
A. Karmakar, R. Ghatak, R. K. Mishra, D. R. Poddar
{"title":"A Sierpinski carpet fractal based design of thinned rectangular microstrip antenna array","authors":"A. Karmakar, R. Ghatak, R. K. Mishra, D. R. Poddar","doi":"10.1109/AEMC.2009.5430688","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430688","url":null,"abstract":"A novel configuration of Sierpinski carpet fractal based thinning of rectangular microstrip planar array is presented. Effect of sequential change in feed amplitudes on peak SLL is studied and a peak SLL of −18dB is achieved. Mutual coupling between the elements is found to remain below −20dB. The antenna array can be effectively utilized for onboard satellite applications.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"1992 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128611703","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 look at some of the practices in mobile communication from an electrical engineering viewpoint 从电气工程的角度来看移动通信中的一些实践
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430588
T. Sarkar, A. De, S. Burintramart, M. Salazar-Palma
{"title":"A look at some of the practices in mobile communication from an electrical engineering viewpoint","authors":"T. Sarkar, A. De, S. Burintramart, M. Salazar-Palma","doi":"10.1109/AEMC.2009.5430588","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430588","url":null,"abstract":"The objective of this paper is to outline the various principles of electrical engineering and how they impact the current practices of mobile communication. Various examples are presented to illustrate that the current practices in mobile communication are not commensurate with the vector nature of the Maxwellian principles which form the basis of electrical engineering [1,2].","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125827522","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
Parameter calculation of rectangular microstrip antenna using Biogeography-Based Optimization 基于生物地理优化的矩形微带天线参数计算
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430676
M. Lohokare, S. Pattnaik, S. Devi, K. M. Bakwad, J. G. Joshi
{"title":"Parameter calculation of rectangular microstrip antenna using Biogeography-Based Optimization","authors":"M. Lohokare, S. Pattnaik, S. Devi, K. M. Bakwad, J. G. Joshi","doi":"10.1109/AEMC.2009.5430676","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430676","url":null,"abstract":"Miniaturized microstrip antennas are of great interest in the recent time especially in wireless communication systems and biomedical applications. To enhance efficiency, avoid co-channel, adjacent channel interference and associated complications accurate determination of resonant frequency is an essential requirement. A method to calculate accurately the resonant frequency is of great importance especially on such antennas like microstrip patch antennas that have inherently narrow bandwidths. The feed point calculation is also difficult in this type of antenna. Biogeography-Based Optimization (BBO) is a new bio-inspired optimization and is yet to be applied in antenna and electromagnetic engineering. In this paper, the authors have used BBO for accurate determination of resonant frequency and feed point calculation of rectangular microstrip antenna (MSA). The results are in good agreement thus encouraging the use of BBO for antenna design.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128827002","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: 24
A novel CPW-Fed antenna for RFID tag at 5.8 GHz 一种用于RFID标签的5.8 GHz新型cpw馈源天线
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430607
Moram. Adinarayana Reddy, S. Raghavan
{"title":"A novel CPW-Fed antenna for RFID tag at 5.8 GHz","authors":"Moram. Adinarayana Reddy, S. Raghavan","doi":"10.1109/AEMC.2009.5430607","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430607","url":null,"abstract":"For the requirement of Wireless RFID application We have designed a (Co-planar waveguide) CPW-FED Novel Antenna to operate at 5.8 GHz[1]. With the help of the CPW-FED band-width enhancement for RFID application can be obtained as (5.61–6.09) GHz with cut of frequency 5.8 GHz. The antenna aperture area of 16mm×26mm is obtained acceptable return loss and gain 4.66 dB and VSWR at operation frequency. The characteristics of the proposed antenna have been studied by simulation software IE3D.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125882483","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
Application of FEM technique in realization of PIN Diode attenuator FEM技术在PIN二极管衰减器实现中的应用
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430659
A. Varshney, Samiran Pramanik, A. Shrivastav
{"title":"Application of FEM technique in realization of PIN Diode attenuator","authors":"A. Varshney, Samiran Pramanik, A. Shrivastav","doi":"10.1109/AEMC.2009.5430659","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430659","url":null,"abstract":"FEM analysis has been used to optimize various microstrip line sections used for designing PIN-Diode π attenuator used for phased array antenna applications. Results have been compared with the theoretical results obtained from closed form analysis expressions of microstrip line. An error of only 0.92% has been observed between the two results at 50Ω characteristic impedance for unshielded microstrip line.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121894272","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
Compact Dual wide bandstop filter 紧凑型双宽带阻滤波器
2009 Applied Electromagnetics Conference (AEMC) Pub Date : 2009-12-01 DOI: 10.1109/AEMC.2009.5430614
A. Guntupalli, V. K. Velidi, S. Sanyal
{"title":"Compact Dual wide bandstop filter","authors":"A. Guntupalli, V. K. Velidi, S. Sanyal","doi":"10.1109/AEMC.2009.5430614","DOIUrl":"https://doi.org/10.1109/AEMC.2009.5430614","url":null,"abstract":"In this work Dual bandstop filter (DBBSF) using coupled line loaded by a optimum bandstop filter, which consists of stepped impedance resonator. The novel transmission line structure consists of a parallel coupled microstrip line loaded by a modified optimum bandstop filter. The load can be realized by using the uniform characteristic impedance i.e. the total filter can be controlled by using only two characteristic impedances. The wide bandwidth in the stopbands, stopband zero positions can be controlled by using both the coupled line and a shunt stepped impedance open stub (SIOS) unit. Three transmission zeroes in the pass band were created by a mutual coupling between the coupled lines configuration. Design guidelines are derived using loss less transmission line model. The high impedance line required for the series transmission line (TL) sections facilitates convenient meandering that makes the geometry compact. To validate theoretical predictions, a prototype filter operating at two bands 0.74 and 2.2 GHz has been fabricated.","PeriodicalId":127199,"journal":{"name":"2009 Applied Electromagnetics Conference (AEMC)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126912260","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
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