Parameter estimation method based on NYFR sampling uniform linear array structure

被引：0
|
作者：
Chen, Tao [1 ,2 ]
Liang, Yaopeng [1 ,2 ]
Yu, Yuwei [1 ,2 ]
机构：
[1] College of Information and Communication Engineering, Harbin Engineering University, Harbin,150001, China
[2] AVIC United Technology Center for Electromagnetic Spectrum Collaborative Detection and Intelligent Cognition, Aviation lndustry Corporation of China, Harbin,150001, China
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2024年 / 46卷 / 12期
关键词：
Channel estimation - Direction of arrival - Signal analysis - Signal sampling;
D O I：
10.12305/j.issn.1001-506X.2024.12.04
中图分类号：
学科分类号：
摘要：
In order to overcome the influence of huge data volume caused by traditional Nyquist sampling, and to solve the problem of signal reception effectively in the wider band ränge and the estimation of signal carrier frequency (CF) and direction of arrival (DOA) parameters. An uniform linear array structure based on sampling of Nyquist folding receiver (NYFR) is proposed. Firstly, a multi-channel NYFR sampling array structure is constructed to receive the incident signal and process the fold sampling. Secondly, the phase consistency of the multi-channel NYFR sampling signal is analyzed and verified. Finally, Simulation experiments are carried out in the unknown and known original Nyquist zone (NZ) of sigal source. The Simulation experimental results show that the signal model under the array structure proposed in this paper is not only suitable for the CF and DOA Joint estimation method, but also suitable for multiple DOA estimation algorithms, which verifies the correctness and effectiveness of the array structure. © 2024 Chinese Institute of Electronics. All rights reserved.
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页码：3965 / 3972
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