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2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)最新文献

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Electronically tunable dielectric resonator reflectarray 电子可调谐介质谐振器反射式
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-09-01 DOI: 10.1109/ANTEM.2014.6887717
Abdelhady Mahmoud, A. A. Mitkees, Saber H. Zainudeen, A. Kishk
{"title":"Electronically tunable dielectric resonator reflectarray","authors":"Abdelhady Mahmoud, A. A. Mitkees, Saber H. Zainudeen, A. Kishk","doi":"10.1109/ANTEM.2014.6887717","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887717","url":null,"abstract":"An electronically tunable reflectarray of aperture coupled square dielectric resonator antenna (DRA) elements is designed with a 230 × 230 mm2 size. The DRA phase is controlled via a capacitive varactor. The results show that the beam scanning within ± 60° range can be realized. The reflectarray is center-fed by a linearly polarized pyramidal horn antenna. At 10.6 GHz, the antenna provides a 3-dB beamwidth of 6 degrees with a gain of 25.5 dB. The antenna bandwidth within 1.5 dB gain variation is found to be 9% with stable radiation patterns.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128503662","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
Johns Matrix formulation of inverse TLM problems 逆TLM问题的Johns矩阵公式
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-09-01 DOI: 10.1109/ANTEM.2014.6887729
P. So, W. Hoefer
{"title":"Johns Matrix formulation of inverse TLM problems","authors":"P. So, W. Hoefer","doi":"10.1109/ANTEM.2014.6887729","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887729","url":null,"abstract":"This paper presents the derivation of the inverse problem formulation in TLM based on the Johns Matrix concept. It allows the reconstruction of impulsive sources in a closed ergodic TLM mesh from a single time response with superresolution in both time and space. The source amplitudes are reconstructed using the time-inverse of the impulse response and the correlation between Johns Matrix elements.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128646307","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
Electrically small particles for harvesting and channeling infrared energy 用于收集和引导红外能量的电小颗粒
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-09-01 DOI: 10.1109/ANTEM.2014.6887725
Mohammed Alshareef, O. Ramahi
{"title":"Electrically small particles for harvesting and channeling infrared energy","authors":"Mohammed Alshareef, O. Ramahi","doi":"10.1109/ANTEM.2014.6887725","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887725","url":null,"abstract":"We present a novel structure composed of an ensemble of electrically small resonators for harvesting infrared energy. A flower-like structure composed of electrically small split-ring resonators, each of whose greatest length is less than λ/21, is proven to achieve more than 85% power harvesting efficiency at 0.348 THz.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131650854","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 high-efficiency planar series-fed array antenna based on thick EBG resonator elements 基于厚EBG谐振元件的高效平面串联馈电阵列天线
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-09-01 DOI: 10.1109/ANTEM.2014.6887684
M. Hosseini, D. Klymyshyn
{"title":"A high-efficiency planar series-fed array antenna based on thick EBG resonator elements","authors":"M. Hosseini, D. Klymyshyn","doi":"10.1109/ANTEM.2014.6887684","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887684","url":null,"abstract":"An efficient planar array antenna composed of thick electromagnetic bandgap (EBG) antenna elements is proposed. The element, called SE-EBG-RA, is an efficient EBG antenna introduced in literature. The array comprises equally-spaced series-fed elements designed to have broadside radiation. A computationally efficient approach is presented to form the array in series with negligible mutual coupling between elements. To this end, first the terminated version of SE-EBG-RA element is introduced. Then, it is shown that how such elements can structure the series array effectively. Results show that the application of EBG cells and thick traces yields high efficiency, alleviated mutual coupling, and a symmetrical broadside pattern with reduced numerical computation load.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125599469","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
60 GHz dual-polarized 1 × 4 antipodal Fermi tapered slot antenna array 60 GHz双极化1 × 4对跖费米锥形槽天线阵列
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-09-01 DOI: 10.1109/ANTEM.2014.6887746
Z. Briqech, A. Sebak, T. Denidni
{"title":"60 GHz dual-polarized 1 × 4 antipodal Fermi tapered slot antenna array","authors":"Z. Briqech, A. Sebak, T. Denidni","doi":"10.1109/ANTEM.2014.6887746","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887746","url":null,"abstract":"A broadband, high gain, and dual-polarized single-fed antipodal Fermi tapered slot antenna (AFTSA) with a sine shaped corrugation is presented. The proposed design is employed to realize 1×4 antenna array covering the frequency band from 55 GHz to 65 GHz. The array design achieves a 22.3 dB gain at 60 GHz with a total radiation efficiency of about 90%. The polarization diversity of this antenna makes it suitable for millimeter wave wireless communications, and imaging applications.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132324435","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
Weaving one-way threads into non reciprocal meta-surfaces: The meta-weaves 将单向线程编织成非相互的元表面:元编织
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI: 10.1109/ANTEM.2014.6887688
Y. Mazor, B. Steinberg
{"title":"Weaving one-way threads into non reciprocal meta-surfaces: The meta-weaves","authors":"Y. Mazor, B. Steinberg","doi":"10.1109/ANTEM.2014.6887688","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887688","url":null,"abstract":"Confluent with the single dimension of time, breach of time-reversal symmetry is usually perceived as a one-dimensional concept. However, strongly non-reciprocal or oneway nano-scale threads can be used to weave meta-surfaces thus systematically adding dimensions to this concept. The resulting surfaces-the meta-weaves-posses generalized non-reciprocity such as “sector-way” propagation, and offer new possibilities for controlling light in thin surfaces. We provide several meta-weave designs and study their properties.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123439851","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 microstrip leaky-wave antenna with two symmetrical beams towards sides for fixed-frequency dual-beam scanning 用于固定频率双波束扫描的两侧对称波束微带漏波天线
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI: 10.1109/ANTEM.2014.6887724
D. Karmokar, K. Esselle, S. Hay
{"title":"A microstrip leaky-wave antenna with two symmetrical beams towards sides for fixed-frequency dual-beam scanning","authors":"D. Karmokar, K. Esselle, S. Hay","doi":"10.1109/ANTEM.2014.6887724","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887724","url":null,"abstract":"This paper presents a technique to produce two symmetrical side beams from a simple microstrip leaky-wave antenna (MLWA) and to steer them. Two beams are generated by using two vertical conducting walls along the microstrip line, each located one-third the width away from each edge. The directions of the main beams are controlled by changing the reactance profile between the free edges of the microstrip line and the ground. This is achieved by placing periodic patches very close to the edges of the microstrip line and controlling their connections to the ground. The full-wave numerical simulations demonstrate the ability to control the directions of both beams simultaneously at 7.75 GHz.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"426 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123564502","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
Antenna beam forming using holographic artificial impedance surface 全息人工阻抗面天线波束成形
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI: 10.1109/ANTEM.2014.6887730
Sivaseetharaman Pandi, C. Balanis
{"title":"Antenna beam forming using holographic artificial impedance surface","authors":"Sivaseetharaman Pandi, C. Balanis","doi":"10.1109/ANTEM.2014.6887730","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887730","url":null,"abstract":"The properties of the High Impedance Surfaces are used to design a ground plane for an antenna source to obtain a desired radiation pattern. Surface impedance modulation and microwave holography techniques are used to vary the surface impedance of the ground plane in a systematic pattern to achieve the desired radiation pattern for the antenna system. The ground planes are designed separately for the first two lower order modes. The performance of the ground planes thus designed for both the modes are then compared in terms of their capability to achieve the desired radiation pattern.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"200 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123017518","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: 8
Design of a compact omni-directional ENG ZOR antenna 一种紧凑型全向engzor天线的设计
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI: 10.1109/ANTEM.2014.6887709
M. Tang, T. Deng
{"title":"Design of a compact omni-directional ENG ZOR antenna","authors":"M. Tang, T. Deng","doi":"10.1109/ANTEM.2014.6887709","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887709","url":null,"abstract":"A negative permittivity (ENG) zeroth-order resonance (ZOR) antenna with compact size and low profile is introduced in this paper. By adding a shorting via and applying capacitive coupling feeding technology, the antenna could operate in the center of f<sub>0</sub> =5.084GHz, which is corresponding to the electric size 0.273λ<sub>0</sub>×0.273λ<sub>0</sub>×0.0136λ<sub>0</sub> (where λ<sub>0</sub> is the wavelength corresponding to the operational frequency f<sub>0</sub> in free space). The equivalent circuit model is presented to explain the physical phenomenon accordingly.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122204096","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
Laminated small H-shaped microstrip patch antenna with improved efficiency 提高效率的层压小h形微带贴片天线
2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI: 10.1109/ANTEM.2014.6887665
R. Raju, L. Shafai
{"title":"Laminated small H-shaped microstrip patch antenna with improved efficiency","authors":"R. Raju, L. Shafai","doi":"10.1109/ANTEM.2014.6887665","DOIUrl":"https://doi.org/10.1109/ANTEM.2014.6887665","url":null,"abstract":"Efficiency of miniaturized printed antenna can be improved by using a composite conductor, where the single conductor radiating element is replaced by multiple thin laminated conductor filaments. In this paper the application of this concept to a microstrip H-Slot antenna is presented. It is seen through simulations that using the proposed technique around 30% improvement in efficiency was obtained.","PeriodicalId":190987,"journal":{"name":"2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)","volume":"62 10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128349483","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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