Sparse optimization of planar radio antenna arrays using a genetic algorithm

doi:10.61977/ati2024060

YNAO OpenIR > 射电天文研究组

	Sparse optimization of planar radio antenna arrays using a genetic algorithm
	Di, Jiarui 1; Dong L(董亮)2 ; He, Wei 3
发表期刊	Astronomical Techniques and Instruments/天文技术与仪器(英文)
	2025-03
卷号	2 期号:02 页码:100-110
DOI	10.61977/ati2024060
分类号	P111
产权排序	第2完成单位
收录类别	CSCD
摘要	Radio antenna arrays have many advantages for astronomical observations, such as high resolution, high sensitivity, multi-target simultaneous observation, and flexible beam formation. Problems surrounding key indices, such as sensitivity enhancement, scanning range extension, and sidelobe level suppression, need to be solved urgently. Here,we propose a sparse optimization scheme based on a genetic algorithm for a 64-array element planar radio antenna array. As optimization targets for the iterative process of the genetic algorithm, we use the maximum sidelobe levels and beamwidth of multiple cross-section patterns that pass through the main beam in three-dimensions, with the maximum sidelobe levels of the patterns at several different scanning angles. Element positions are adjusted for iterations, to select the optimal array configuration. Following sparse layout optimization, the simulated 64-element planar radio antenna array shows that the maximum sidelobe level decreases by 1.79 dB, and the beamwidth narrows by 3°. Within the scan range of ±30°, after sparse array optimization, all sidelobe levels decrease, and all beamwidths narrow. This performance improvement can potentially enhance the sensitivity and spatial resolution of radio telescope systems.
资助项目	Ministry of Science and Technology SKA Special Project[2020SKA0110202]; the Special Project on Building a Science and Technology Innovation Center for South and Southeast Asia–International Joint Innovation Platform in Yunnan Province:"Yunnan Sino-Malaysian International Joint Laboratory of HF-VHF Advanced Radio Astronomy Technology"[202303AP140003]; the National Natural Science Foundation of China (NSFC) Joint Fund for Astronomy (JFA) incubator program [U2031133]; the International Partnership Program Project of the International Cooperation Bureau of the Chinese Academy of Sciences:"Belt and Road"Cooperation [114A11KYSB20200001]; the Kunming Foreign (International) Cooperation Base Program:"Yunnan Observatory of the Chinese Academy of Sciences-University of Malaya Joint R&D Cooperation Base for Advanced Radio Astronomy Technology"[GHJD-2021022]; the China-Malaysia Collaborative Research on Space Remote Sensing and Radio Astronomy Observation of Space Weather at Low and Middle Latitudes under the Key Special Project of the State Key R&D Program of the Ministry of Science and Technology for International Cooperation in Science, Technology and Innovation among Governments [2022YFE0140000]; the High-precision calibration method for low-frequency radio interferometric arrays for the SKA project of the Ministry of Science and Technology[2020SKA0110300]
项目资助者	Ministry of Science and Technology SKA Special Project[2020SKA0110202] ; the Special Project on Building a Science and Technology Innovation Center for South and Southeast Asia–International Joint Innovation Platform in Yunnan Province:"Yunnan Sino-Malaysian International Joint Laboratory of HF-VHF Advanced Radio Astronomy Technology"[202303AP140003] ; the National Natural Science Foundation of China (NSFC) Joint Fund for Astronomy (JFA) incubator program [U2031133] ; the International Partnership Program Project of the International Cooperation Bureau of the Chinese Academy of Sciences:"Belt and Road"Cooperation [114A11KYSB20200001] ; the Kunming Foreign (International) Cooperation Base Program:"Yunnan Observatory of the Chinese Academy of Sciences-University of Malaya Joint R&D Cooperation Base for Advanced Radio Astronomy Technology"[GHJD-2021022] ; the China-Malaysia Collaborative Research on Space Remote Sensing and Radio Astronomy Observation of Space Weather at Low and Middle Latitudes under the Key Special Project of the State Key R&D Program of the Ministry of Science and Technology for International Cooperation in Science, Technology and Innovation among Governments [2022YFE0140000] ; the High-precision calibration method for low-frequency radio interferometric arrays for the SKA project of the Ministry of Science and Technology[2020SKA0110300]
语种	英语
学科领域	天文学 ; 射电与天文学
ISSN	1672-7975
URL	查看原文
引用统计
文献类型	期刊论文
版本	出版稿
条目标识符	http://ir.ynao.ac.cn/handle/114a53/28258
专题	射电天文研究组
作者单位	1.School of Information Engineering, Southwest University of Science and Technology; 2.Yunnan Province China-Malaysia HF-VHF Advance Radio Astronomy Technology International Joint Laboratory,Yunnan Observatories, Chinese Academy of Sciences; 3.The 20th Research Institute of China Electronics Technology Group Corporation
推荐引用方式 GB/T 7714	Di, Jiarui,Dong L,He, Wei. Sparse optimization of planar radio antenna arrays using a genetic algorithm[J]. Astronomical Techniques and Instruments/天文技术与仪器(英文),2025,2(02):100-110.
APA	Di, Jiarui,董亮,&He, Wei.(2025).Sparse optimization of planar radio antenna arrays using a genetic algorithm.Astronomical Techniques and Instruments/天文技术与仪器(英文),2(02),100-110.
MLA	Di, Jiarui,et al."Sparse optimization of planar radio antenna arrays using a genetic algorithm".Astronomical Techniques and Instruments/天文技术与仪器(英文) 2.02(2025):100-110.

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