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Compensation method for distorted active phased array antennas in condition of quantization errors based on structural-electromagnetic coupling
Wang, Yan1; Wang, Congsi1; Gao, Wei2; Xu, Qian3; Yuan, Shuai1; Li, Haihua1; Ying, Kang1
2018-12-10
Conference Name12th European Conference on Antennas and Propagation, EuCAP 2018
Source Publication12th European Conference on Antennas and Propagation, EuCAP 2018
Volume2018
Conference DateApril 9, 2018 - April 13, 2018
Conference PlaceLondon, United kingdom
CountryUnited kingdom
Author of SourceIEEE
PublisherInstitution of Engineering and Technology
Contribution Rank3
AbstractWidely used digital attenuator and phase shifter could inevitably introduce quantization errors for distorted active phased array antenna, at the time of controlling the amplitude and phase for improving the electromagnetic performance. The reduction of quantization errors decides the compensation effect for antenna in complex service environment. Therefore, a compensation method for distorted antenna in condition of quantization errors is presented based on the coupled structural-electromagnetic model with least squares method. The quantized amplitude and phase adjustments are deduced from the perspective of multiple dividing of minimum quantization value and the optimal amplitude and phase differences, which could be implemented to recover a high quality pattern from a distorted antenna. Lastly, an X-band active phased array antenna with representative saddle shape deformation is illustrated to verify the compensation effect for quantization errors including both the amplitude and phase. 2018 Institution of Engineering and Technology.All Rights Reserved.
KeywordAntenna phased arrays Deformation Electromagnetic coupling Errors Least squares approximations Microwave antennas
DOI10.1049/cp.2018.0521
URL查看原文
Indexed ByEI
Language英语
ISBN978-1-78561-815-4
EI Accession Number20184806166620
Citation statistics
Document Type会议论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/3260
Collection射电天文研究室_已撤销团组_天线技术组
Affiliation1.Key Laboratory of Electronic Equipment Structure Design, Ministry of Education, Xidian University, Xi'an, China;
2.University of New South Wales, Sydney, Australia;
3.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi, China
Recommended Citation
GB/T 7714
Wang, Yan,Wang, Congsi,Gao, Wei,et al. Compensation method for distorted active phased array antennas in condition of quantization errors based on structural-electromagnetic coupling[C]//IEEE:Institution of Engineering and Technology,2018.
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