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检索条件"主题词=Concentric ring array"
19 条 记 录,以下是1-10 订阅
排序:
Shaped beam synthesis of concentric ring array antenna using Differential Evolution Algorithm
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AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS 2015年 第7期69卷 1025-1031页
作者: Mandal, D. Chatterjee, A. Mondal, T. Bhattacharjee, A. K. Bengal Coll Engn & Technol Dept Elect & Commun Engn Durgapur W Bengal India Natl Inst Technol Goa Dept Elect & Commun Engn Ponda 403401 Goa India Dr BC Roy Engn Coll Dept Elect & Commun Engn Durgapur W Bengal India Natl Inst Technol Dept Elect & Commun Engn Durgapur W Bengal India
A shaped beam synthesis from a concentric ring array has been presented. Two different cases are considered. In the first case, a flat-top beam with desired specification has been generated and in the second case, a c... 详细信息
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Meta-heuristic optimization algorithms for simultaneous optimization of sidelobe level and directivity of uniformly excited concentric ring array antennas
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INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES 2020年 第2期12卷 183-192页
作者: Dutta, Kailash Pati Mahanti, G. K. Natl Inst Technol Dept Elect & Commun Engn Durgapur 713209 W Bengal India
This paper proposes the novel application of three meta-heuristic optimization algorithms namely crow search algorithm, moth flame optimization, and symbiotic organism search algorithm for the synthesis of uniformly e... 详细信息
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Gravitational search algorithm for synthesis of selectively thinned concentric ring array antenna with minimum sidelobe level and with fixed and variable first null beamwidth
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INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES 2015年 第6期7卷 775-781页
作者: Chatterjee, Anirban Mahanti, Gautam Kumar Pathak, Narendra Nath Natl Inst Technol Goa Dept Elect & Commun Engn Farmagudi Ponda India Natl Inst Technol Durgapur Dept Elect & Commun Engn Durgapur India Dr BC Roy Engn Coll Durgapur Dept Elect & Commun Engn Durgapur India
Thinning a large concentric ring array by an evolutionary algorithm needs to handle a large amount of variables. The computational time to find out the optimum elements set increases with the increase of array size. M... 详细信息
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Synthesis of thinned concentric ring array antenna in predefined phi-planes using binary firefly and binary particle swarm optimization algorithm
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INTERNATIONAL JOURNAL OF NUMERICAL MODELLING-ELECTRONIC NETWORKS DEVICES AND FIELDS 2015年 第2期28卷 164-174页
作者: Chatterjee, Anirban Mahanti, G. K. Mahanti, Ananya Natl Inst Technol Goa Dept Elect & Commun Engn Ponda India Natl Inst Technol Dept Elect & Commun Engn Durgapur India
A binary firefly algorithm inspired by the behavior of artificial fireflies has been applied to thin a planar concentric ring array antenna to minimize the peak sidelobe level in a number of predefined phi-planes. Two... 详细信息
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Genetic Algorithm Optimization of a Dual Polarized concentric ring array
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APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL 2019年 第5期34卷 815-818页
作者: Ruiz, Pedro Mendes Saenz, Israel D. Hinostroza Guinvarc'h, Regis Haupt, Randy Cent Supelec SONDRA F-91190 Gif Sur Yvette France Colorado Sch Mines Elect Engn & Comp Sci Golden CO 80401 USA
We use a genetic algorithm to minimize the relative sidelobe level (RSLL) of a dual polarized concentric ring array. The optimization variables are the placement of uniformly weight spiral antennas in an aperture with... 详细信息
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Acoustic Vortex Field Generated by Phased Modulated concentric ring array
Acoustic Vortex Field Generated by Phased Modulated Concentr...
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IEEE International Ultrasonics Symposium (IEEE IUS)
作者: Yue, Jiaxi Zhang, Xiaofeng Shaanxi Normal Univ Coll Phys & Informat Technol Shaanxi Key Lab Ultrason Xian Peoples R China
Vortex field can be generated by the phase modulated circular transducer array. However, the side lobe of the beam may interfere the transmission and reception of the signals. In order to reduce the influence of side ... 详细信息
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Time-Modulated concentric ring Antenna array for a Wide Coverage Pattern
Time-Modulated Concentric Ring Antenna Array for a Wide Cove...
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IEEE-Antennas-and-Propagation-Society International Symposium
作者: Balderas, Luz I. Reyna, Alberto Panduro, Marco A. Univ Autonoma Tamaulipas UAMR R Reynosa Mexico CICESE Res Ctr Ensenada Bcn Mexico
this paper contains a design approach of a time-modulated concentric ring array for a global terrestrial coverage. The array is designed by optimizing the time switched sequence of the elements while maintaining unifo... 详细信息
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Constant Elevation-Beamwidth Beamforming With concentric ring arrays
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IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING 2024年 32卷 1662-1672页
作者: Peretz, Orel Cohen, Israel Technion Israel Inst Technol Andrew & Erna Viterbi Fac Elect & Comp Engn IL-3200003 Haifa Israel
A hybrid approach is proposed to efficiently design a constant elevation-beamwidth beamforming with concentric ring arrays (CRAs). The design exploits the degrees of freedom of the array geometry for superior performa... 详细信息
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An approach for simplifying a multiple beam-forming network for concentric ring arrays using CORPS
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JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS 2014年 第4期28卷 430-441页
作者: Arce, A. Panduro, M. A. Covarrubias, D. H. Mendez, A. L. UASLP Fac Ciencias Zona Univ 78290 San Luis Potosi Mexico CICESE Res Ctr Elect & Telecommun Dept Ensenada 22860 Baja California Mexico UAT Unidad Acad Multidisciplinaria Reynosa Rhode Reynosa 88779 Tamaulipas Mexico
This research work deals with a innovative way to simplify the design of beam-forming networks (BFNs) for multi-beam steerable concentric ring arrays based on coherently radiating periodic structures (CORPS) technolog... 详细信息
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A HYBRID ALGORITHM FOR THE SYNTHESIS OF SPARSE concentric ring arrayS  41
A HYBRID ALGORITHM FOR THE SYNTHESIS OF SPARSE CONCENTRIC RI...
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41st National Radio Science Conference (NRSC)
作者: Abdelhay, Magdy A. El-Khamy, Said. E. Int Acad Engn & Media Sci Dept Commun Engn Giza Egypt Alexandria Univ Dept Elect Engn Alexandria Egypt
This paper proposes a hybrid method to synthesis concentric ring arrays. A hybrid invasive weed optimization (IWO) and convex optimization is used to optimize a concentric continuous current ring (CCCR) array. Here, I... 详细信息
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