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2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)最新文献

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Design of connected array loaded with artificial dielectric at 60 GHz 60 GHz人造介质负载连接阵列的设计
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6904794
W. Syed, D. Cavallo, A. Neto, P. van Zeijl
{"title":"Design of connected array loaded with artificial dielectric at 60 GHz","authors":"W. Syed, D. Cavallo, A. Neto, P. van Zeijl","doi":"10.1109/APS.2014.6904794","DOIUrl":"https://doi.org/10.1109/APS.2014.6904794","url":null,"abstract":"In this contribution, we present a 60 GHz design of a connected array of slots combined with artificial dielectric layers (ADLs). The antenna array consists of 2×8 connected-slot elements, fed coherently with a corporate feeding network. The array is loaded with an artificial dielectric slab with high permittivity, which has the advantage of enhancing the forward radiation without supporting surface waves. The ohmic losses introduced by the metallic inclusions of the ADLs are very low due to the non-resonant nature of the electrically small patches. Simulated results are presented, showing desired fan-beam radiation characteristics and a relative bandwidth of 33%.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"34 1","pages":"931-932"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73942283","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
Array synthesis problems via convex relaxation 基于凸松弛的阵列合成问题
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6905006
B. Fuchs
{"title":"Array synthesis problems via convex relaxation","authors":"B. Fuchs","doi":"10.1109/APS.2014.6905006","DOIUrl":"https://doi.org/10.1109/APS.2014.6905006","url":null,"abstract":"A general procedure, based on the SemiDefinite Relaxation (SDR) technique, is presented to solve efficiently a wide range of difficult (because non-convex) array synthesis problems. This powerful approximation technique is easy to implement and the so-approximated problem can then be efficiently solved using off-the-shelf numerical routines. Examples of shaped beam and reconfigurable array synthesis are shown to illustrate the potentialities of the proposed approach.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"15 1","pages":"1361-1362"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74561882","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 dual-polarized W-band metal patch antenna element for phased array applications 一种用于相控阵应用的双极化w波段金属贴片天线元件
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6905146
N. Chamberlain, Mauricio Sanchez Barbetty, G. Sadowy, Ezra M. Long, K. Vanhille
{"title":"A dual-polarized W-band metal patch antenna element for phased array applications","authors":"N. Chamberlain, Mauricio Sanchez Barbetty, G. Sadowy, Ezra M. Long, K. Vanhille","doi":"10.1109/APS.2014.6905146","DOIUrl":"https://doi.org/10.1109/APS.2014.6905146","url":null,"abstract":"This paper describes results of measurements of a 2×2 `unit cell' of dual-polarized metal patch elements intended for electronically scanned array applications. The unit cell is the fundamental building block of a linear array feed to a cylindrical parabolic reflector. The transmit and receive elements are arranged on a triangular grid which provides good isolation between separate transmit and receive modules, obviating the need for circulators. The 2×2 unit cell and associated feed network was implemented in PolyStrata® technology. Measurements agree very well with simulations in HFSS, with the overall loss of the element and interconnect estimated as 0.5dB at 94 GHz.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"13 1","pages":"1640-1641"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78926556","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
Selection of basis functions for volume-surface integral equation using spanning tree 基于生成树的体面积分方程基函数选择
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6905396
A. Lapovok, R. Nizkiy, I. Shikhov, O. Grimalsky
{"title":"Selection of basis functions for volume-surface integral equation using spanning tree","authors":"A. Lapovok, R. Nizkiy, I. Shikhov, O. Grimalsky","doi":"10.1109/APS.2014.6905396","DOIUrl":"https://doi.org/10.1109/APS.2014.6905396","url":null,"abstract":"Problem of electromagnetic scattering by a system of wires, conductive surfaces and magnitodielectric volumes is solved. It is reduced to solution of volume-surface integral equations (VSIE). For approximation of equivalent electric and magnetic currents basis functions based on Rao-Wilton-Glisson (RWG) and Shaubert-Wilton-Glisson (SWG) functions are used. Integral equations are used in a form which unites formulations for different regions. To ensure linear independence of basis functions and absence of artificial charges inside volume elements the spanning tree of the graph representing topology of the mesh is constructed. Proposed method coupled with multilevel fast multipole algorithm (MLFMA) is applied to scattering on perfectly conducting sphere coated by dielectric layer.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"80 1","pages":"2138-2139"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78217647","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
Integrated dual planar inverted-F antenna with tunable antenna height for handheld devices 集成双平面倒f天线，天线高度可调，用于手持设备
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6904469
Hsien kang Tseng, P. Hsu
{"title":"Integrated dual planar inverted-F antenna with tunable antenna height for handheld devices","authors":"Hsien kang Tseng, P. Hsu","doi":"10.1109/APS.2014.6904469","DOIUrl":"https://doi.org/10.1109/APS.2014.6904469","url":null,"abstract":"An integrated dual planar inverted-F antenna (PIFA) with tunable antenna height for handheld devices is proposed. The antenna is composed of two conventional PIFAs merged together through a common metallic strip and a shorting pin connected to the ground plane. The two L-shaped slots on the ground plane are used to reduce the mutual coupling between the planar antenna elements and the chassis, and to decrease the height of the proposed antenna. Good isolation is obtained in the frequency band of 2.25 ~ 2.6 GHz for IEEE 802.11n wireless local area network (WLAN) application. Design and measurement results are presented and discussed.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"23 1","pages":"275-276"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78507188","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
Dual-polarization TCDA-IB with substrate loading 带有衬底负载的双偏振tda - ib
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6904793
D. Papantonis, J. Volakis
{"title":"Dual-polarization TCDA-IB with substrate loading","authors":"D. Papantonis, J. Volakis","doi":"10.1109/APS.2014.6904793","DOIUrl":"https://doi.org/10.1109/APS.2014.6904793","url":null,"abstract":"Recent efforts on tightly-coupled dipole arrays (TCDA) have yielded conformal, low profile designs that demonstrate remarkable bandwidths. In [1], a TCDA with integrated balun (TCDA-IB) and substrate loading was presented. In the current paper, we extend this work to a dual-polarization TCDA that scans up to 45°. It exhibits an infinite array bandwidth of 13.5:1 (290MHz-3.9GHz) with an active VSWR<;3 and total efficiency (including reflection) >60% in all planes. The validity of the design is verified fabricating and testing an 8x8 prototype with a measured bandwidth of 11:1.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"37 1","pages":"930-930"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75899165","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 reconfigurable dual-band circularly polarizing miniturized conformal patch antenna exhibiting small frequency ratios 一种可重构的小频率比双频圆极化小型化共形贴片天线
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6904828
P. E. Sieber, D. Werner
{"title":"A reconfigurable dual-band circularly polarizing miniturized conformal patch antenna exhibiting small frequency ratios","authors":"P. E. Sieber, D. Werner","doi":"10.1109/APS.2014.6904828","DOIUrl":"https://doi.org/10.1109/APS.2014.6904828","url":null,"abstract":"A reconfigurable dual-band circularly polarizing conformal patch antenna is demonstrated in the S-band. The dual-band behavior is achieved via the implementation of reactive end-loading without the use of shorting pins or any other connection to ground. Through the integration of variable capacitive or resistive elements into the reactive end-load, it is demonstrated that the second resonance frequency can be varied whereas the fundamental resonance remains unaffected.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"285 1","pages":"1001-1002"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74959989","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 novel twist between Gap Waveguides for compact slot-array antennas 紧凑型狭缝阵列天线的缝隙波导之间的一种新颖扭曲
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6904559
L. F. Carrera-Suárez, D. Navarro-Mendez, M. Baquero-Escudero, Sara Martinez, A. Valero-Nogueira
{"title":"A novel twist between Gap Waveguides for compact slot-array antennas","authors":"L. F. Carrera-Suárez, D. Navarro-Mendez, M. Baquero-Escudero, Sara Martinez, A. Valero-Nogueira","doi":"10.1109/APS.2014.6904559","DOIUrl":"https://doi.org/10.1109/APS.2014.6904559","url":null,"abstract":"A compact twist connecting a Ridge-Gap Waveguide and a Groove-Gap Waveguide at 38 GHz is presented. This twist is intended for feeding an array antenna. Simulations show a return loss better than 20 dB between 37.3 GHz and 38.3 GHz. The insertion loss is below 0.4 dB within the same frequency band. This bandwidth may be enough for many applications.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"19 1","pages":"456-457"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74997893","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
Criterion to choose far-field approximation for Sommerfeld integral for impedance half-plane 阻抗半平面上索默菲尔德积分的远场近似选择准则
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6904390
Hyunsoo Lee, Ki-Hwan Jung, I. Koh
{"title":"Criterion to choose far-field approximation for Sommerfeld integral for impedance half-plane","authors":"Hyunsoo Lee, Ki-Hwan Jung, I. Koh","doi":"10.1109/APS.2014.6904390","DOIUrl":"https://doi.org/10.1109/APS.2014.6904390","url":null,"abstract":"A criterion to choose one of two far-field approximations for Sommerfeld integral for impedance half-plane problem is proposed. It is dependent on the given impedance value and the antenna locations.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"150 1","pages":"117-118"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77374805","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 antennas with an Iso-flux Pattern to achieve suppression of radiation along zenith 等通量方向图天线的设计以实现沿天顶的辐射抑制
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI) Pub Date : 2014-07-06 DOI: 10.1109/APS.2014.6905069
M. Abdel-Mageed, Sidharath Jain, K. Panayappan, R. Mittra
{"title":"Design of antennas with an Iso-flux Pattern to achieve suppression of radiation along zenith","authors":"M. Abdel-Mageed, Sidharath Jain, K. Panayappan, R. Mittra","doi":"10.1109/APS.2014.6905069","DOIUrl":"https://doi.org/10.1109/APS.2014.6905069","url":null,"abstract":"This paper describes a technique for realizing an Iso-flux Pattern Antenna (IPA) suitable for operation in the Ka band, although the proposed design methodology is general and equally applicable to other frequencies as well. The IPA is designed to radiate at a specific elevation angle, while suppressing radiation along the zenith. The electrical performance of the designed antenna has been verified in terms of the magnitude and phase of the field distribution as well as the far-field pattern radiated by the aperture distribution.","PeriodicalId":6663,"journal":{"name":"2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)","volume":"163 1","pages":"1487-1488"},"PeriodicalIF":0.0,"publicationDate":"2014-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77538894","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
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