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2011 IEEE International Symposium on Antennas and Propagation (APSURSI)最新文献

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A dual-layer EBG-based miniaturized patch multi-antenna structure 一种基于双层电子束的小型化贴片多天线结构
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5996852
Soham Ghosh, Thanh-Ngon Tran, T. Le-Ngoc
{"title":"A dual-layer EBG-based miniaturized patch multi-antenna structure","authors":"Soham Ghosh, Thanh-Ngon Tran, T. Le-Ngoc","doi":"10.1109/APS.2011.5996852","DOIUrl":"https://doi.org/10.1109/APS.2011.5996852","url":null,"abstract":"Based on the concept of slow wave propagation, a dual-layer electromagnetic band gap (EBG) mushroom structure is used to reduce the area of a patch multi-antenna sub-system. While the inner layer aids in the antenna miniaturization, the more compact upper layer helps in further reduction of the mutual coupling between the miniaturized patch antennas which is otherwise not possible for a single-layer EBG. Simulation is also performed for the mutual coupling and radiation characteristics of the multi-antenna structure for different inter-element separations which are experimentally verified.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"1 1","pages":"1828-1831"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82283738","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: 14
A dual polarized near-field focusing plate at microwave frequencies providing sub-wavelength focusing in two dimensions 微波频率的双偏振近场聚焦板，提供二维亚波长聚焦
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5996486
S. Hosseini, S. Campione, F. Capolino
{"title":"A dual polarized near-field focusing plate at microwave frequencies providing sub-wavelength focusing in two dimensions","authors":"S. Hosseini, S. Campione, F. Capolino","doi":"10.1109/APS.2011.5996486","DOIUrl":"https://doi.org/10.1109/APS.2011.5996486","url":null,"abstract":"In this work we introduce a novel near-field focusing plate able to provide sub-wavelength focusing in both directions, parallel to the plate, as well as for both polarizations of the illuminating plane wave at microwave frequencies. Two similar designs are proposed: the first one is made of a thick metallic plate, whereas the second one is made of a thin copper plate fabricated on top of a Rogers 5880 dielectric substrate. The focusing behavior of these structures is analyzed with Ansys HFSS and CST Microwave Studio full-wave simulators.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"22 1","pages":"1147-1150"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82602003","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
A compact wireless passive sensing mechanism based on a seamlessly integrated resonator/antenna 基于无缝集成谐振器/天线的紧凑型无线无源传感机构
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5996540
Haitao Cheng, S. Ebadi, Xinhua Ren, Y. Yusuf, X. Gong
{"title":"A compact wireless passive sensing mechanism based on a seamlessly integrated resonator/antenna","authors":"Haitao Cheng, S. Ebadi, Xinhua Ren, Y. Yusuf, X. Gong","doi":"10.1109/APS.2011.5996540","DOIUrl":"https://doi.org/10.1109/APS.2011.5996540","url":null,"abstract":"In this paper, a new wireless sensing mechanism is proposed based on the integration of a cavity resonator and a slot antenna. A compact structure can be achieved since this integration eliminates additional volume of the antenna and transition structure between the resonator and antenna. A resonator/antenna is demonstrated to verify the proposed technique. The resonator/antenna size is 14 by 13 by 3 mm. The resonant frequency of the resonator, i.e. 10.13 GHz, can be wirelessly detected at distances up to 55 mm. This approach can be useful in high-temperature wireless sensing applications where only passive sensors can survive.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"53 1","pages":"1350-1353"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81331459","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: 21
Fast geometric parameter sweep of FEM models via a nonlinear BT-POD model reduction 基于非线性BT-POD模型约简的有限元模型几何参数快速扫描
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5997024
Wei Wang, M. Vouvakis
{"title":"Fast geometric parameter sweep of FEM models via a nonlinear BT-POD model reduction","authors":"Wei Wang, M. Vouvakis","doi":"10.1109/APS.2011.5997024","DOIUrl":"https://doi.org/10.1109/APS.2011.5997024","url":null,"abstract":"A finite element method (FEM) model-order reduction (MOR) methodology for the fast parametric sweep of geometrical features is presented. The proposed method first linearizes the otherwise non-linear FEM matrix dependence with respect to the geometry variation, and then uses a uniformly sampled balanced truncation proper orthogonal decomposition (BT-POD) reduction algorithm to expediently sweep over the parametric geometry space. The approach avoids slow re-meshing and full matrix reassembly by using mesh morphing approaches. Moreover, BT-POD is known to provide close to optimal size reduced problems using only a small number of samples, thus minimizing the the number of full-model solutions. Numerical results on two large-scale filter design examples are used to study the accuracy and efficiency of the proposed method.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"31 1","pages":"2472-2475"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81758858","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
CPW-fed compact flexible antenna based on a zeroth-order resonator 基于零阶谐振腔的cpw馈电紧凑型柔性天线
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5997150
Sehwan Choi, Ho‐Jun Lee, Jae-Young Lee, Kyu-Bok Lee
{"title":"CPW-fed compact flexible antenna based on a zeroth-order resonator","authors":"Sehwan Choi, Ho‐Jun Lee, Jae-Young Lee, Kyu-Bok Lee","doi":"10.1109/APS.2011.5997150","DOIUrl":"https://doi.org/10.1109/APS.2011.5997150","url":null,"abstract":"This paper proposes a flexible antenna based on a zeroth-order resonator. The flexible antenna is fabricated on liquid crystal polymer substrate with a thickness of 100 um. The antenna operates at 3.18 GHz as zeroth-order mode and its size is 30mm * 30 mm. The return losses of the proposed antenna are almost invariant while it is bent from −90 degree to +90 degree.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"34 1","pages":"2961-2964"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82071475","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
Experimental improvement of vegetation masses remote sensing by introducing analysis of Brillouin precursor 引入布里渊前体分析对植被质量遥感的实验改进
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5997226
A. Alejos, M. Dawood, Luis Medina
{"title":"Experimental improvement of vegetation masses remote sensing by introducing analysis of Brillouin precursor","authors":"A. Alejos, M. Dawood, Luis Medina","doi":"10.1109/APS.2011.5997226","DOIUrl":"https://doi.org/10.1109/APS.2011.5997226","url":null,"abstract":"In this contribution we introduce an approach to improve the remote sensing techniques of vegetation masses by considering the detection and analysis of the Brillouin precursor in a signal propagated through two different dispersive vegetation media for the frequency band under 3.5GHz. We compare the results due to three different propagated pulses: rectangular, Gaussian and inverted double ramp pulse.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"29 1","pages":"3245-3248"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76546519","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
Sub-array design diagnostics for the development of large uniform arrays 大型均匀阵列开发的子阵列设计诊断
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5996431
T. Brockett, Y. Rahmat-Samii
{"title":"Sub-array design diagnostics for the development of large uniform arrays","authors":"T. Brockett, Y. Rahmat-Samii","doi":"10.1109/APS.2011.5996431","DOIUrl":"https://doi.org/10.1109/APS.2011.5996431","url":null,"abstract":"The use of sub-arrays has been a popular approach in the design of large array antennas. Using sub-arrays simplifies the array design by allowing the designer to concentrate on the smaller sub-array and repeating it throughout the rest of the array. Anomalous grating lobes have been shown to appear in large uniform arrays caused by systematic errors in the design of sub-array. Thus, it is important for the sub-array designer to be able to diagnose errors in the sub-array design before incorporating it into the larger array. This paper will categorize and demonstrate specific sub-array pattern distortions that can cause grating lobes to appear in uniform arrays. In addition, a design example will present how recognition of the aforementioned distortions can be used to diagnose and prevent the appearance of grating lobes. This will be done by showing the design process of a 1×16 linear array design that uses four 1×4 sub-arrays. Its design progress will include analytical, full-wave simulation, and measurement parts.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"138 1","pages":"938-941"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86883379","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
Internal antennas for digital TV receiver 数字电视接收机的内部天线
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5996399
E. Palantei, A. Andani, M. Baharuddin, N. Nauman, S. Syarif, M. Anshar, Nnra Mokobombang, A. Suyuti, Z. Muslimin, Z. Zainuddin, A. Indrabayu, F. Mayasari, A. Ejah US, S. Kanata, Z. Hasanuddin, L. R. E., N. Zain, D. Mariana
{"title":"Internal antennas for digital TV receiver","authors":"E. Palantei, A. Andani, M. Baharuddin, N. Nauman, S. Syarif, M. Anshar, Nnra Mokobombang, A. Suyuti, Z. Muslimin, Z. Zainuddin, A. Indrabayu, F. Mayasari, A. Ejah US, S. Kanata, Z. Hasanuddin, L. R. E., N. Zain, D. Mariana","doi":"10.1109/APS.2011.5996399","DOIUrl":"https://doi.org/10.1109/APS.2011.5996399","url":null,"abstract":"Various types of internal antennas suitable for digital TV receiver have been investigated. These include rectangular plate loop structure, 1/2λ monopole, and L-dipole. Evaluations of the internal antennas were done, numerically and experimentally, to obtain some electrical properties such as S11, VSWR, gain and radiation pattern. All the fabricated antennas are incorporated inside the TV receiver body. This allows more flexible, moveable, compact, and inexpensive construction of digital TV in the future.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"16 1","pages":"817-820"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86906371","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
Leaf-shaped bowtie antenna backed by a periodic patch-loaded grounded slab 叶形领结天线，由周期性贴片加载的接地板支撑
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5996788
M. Yamamoto, T. Koyanagi, T. Nojima
{"title":"Leaf-shaped bowtie antenna backed by a periodic patch-loaded grounded slab","authors":"M. Yamamoto, T. Koyanagi, T. Nojima","doi":"10.1109/APS.2011.5996788","DOIUrl":"https://doi.org/10.1109/APS.2011.5996788","url":null,"abstract":"As a planar-type wideband antenna being useful for UWB radio systems, the authors have previously proposed a leaf-shaped bowtie antenna. In this paper, we present a design of a leaf-shaped bowtie antenna in which a periodic patch-loaded grounded slab is used in order to realize a unidirectional beam over a wide frequency range while maintaining a low-profile configuration. In order to demonstrate effective performance of the presented configuration, fundamental characteristics of the antenna are investigated and revealed by the finite-difference time domain (FDTD) analysis and measurements.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"1 1","pages":"622-625"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86914572","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 comparison of geometrically bound random arrays in euclidean space 欧几里得空间中几何约束随机数组的比较
2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI: 10.1109/APS.2011.5996900
K. Buchanan, G. Huff
{"title":"A comparison of geometrically bound random arrays in euclidean space","authors":"K. Buchanan, G. Huff","doi":"10.1109/APS.2011.5996900","DOIUrl":"https://doi.org/10.1109/APS.2011.5996900","url":null,"abstract":"Geometrically bound linear, planar, and volumetric random array topologies are analyzed through a probabilistic approach to study the topological impact on beam pattern. The analysis assumes randomly distributed elements with uniform distribution to evaluate the statistically averaged beam pattern for linear, planar (square and circular), and volumetric (cubical, cylindrical, and spherical) geometries used to bound the array. Results show that many simple geometries share analytical similarities due to symmetry. Numerical results of the average beam pattern show good agreement to analytical solution and are shown for comparison.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"12 1","pages":"2008-2011"},"PeriodicalIF":0.0,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87511259","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: 15
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