STAP method based on atomic norm minimization with array amplitude-phase error calibration Article Swipe

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Xiaojiao Pang , Yongbo Zhao , Chenghu Cao , Baoqing Xu , Yili Hu ·

YOU? · · 2021 · Open Access · · DOI: https://doi.org/10.23919/jsee.2021.000003

In this paper, a space-time adaptive processing (STAP) method is proposed for the airborne radar with the array amplitude-phase error considered, which is based on atomic norm minimization (ANM). In the conventional ANM-based STAP method, the influence of the array amplitude-phase error is not considered and restrained, which inevitably causes performance deterioration. To solve this problem, the array amplitude-phase error is firstly estimated. Then, by pre-estimating the array amplitude-phase error information, a modified ANM model is built, in which the array amplitude-phase error factor is separated from the clutter response and the clutter covariance matrix (CCM) to improve the estimation accuracy of the CCM. To prove that the atomic norm theory is applicable in the presence of the array amplitude-phase error, the clutter sparsity is analyzed in this paper. Meanwhile, simulation results demonstrate that the proposed method is superior to the state-of-the-art STAP method. Moreover, the measured data is used to verify the effectiveness of the proposed method.

Related Topics

Continuous-Wave Radar

Optics

Law

Quantum Mechanics

Concepts

Clutter Amplitude Algorithm Space-time adaptive processing Computer science Norm (philosophy) Phase (matter) Covariance matrix Minification Radar Mathematics Mathematical optimization Physics Continuous-wave radar Optics Telecommunications Law Quantum mechanics Political science Radar imaging

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Type: article
Language: en
Landing Page: https://doi.org/10.23919/jsee.2021.000003
PDF: https://ieeexplore.ieee.org/ielx7/5971804/9367030/09367036.pdf
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Cited By: 5
References: 35
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DOI: https://doi.org/10.23919/jsee.2021.000003

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Title: STAP method based on atomic norm minimization with array amplitude-phase error calibration

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Type: article

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Language: en

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Publication year: 2021

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Publication date: 2021-02-01

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Authors: Xiaojiao Pang, Yongbo Zhao, Chenghu Cao, Baoqing Xu, Yili Hu

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Landing page: https://doi.org/10.23919/jsee.2021.000003

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Concepts: Clutter, Amplitude, Algorithm, Space-time adaptive processing, Computer science, Norm (philosophy), Phase (matter), Covariance matrix, Minification, Radar, Mathematics, Mathematical optimization, Physics, Continuous-wave radar, Optics, Telecommunications, Law, Quantum mechanics, Political science, Radar imaging

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Cited by: 5

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Citations by year (recent): 2025: 1, 2024: 3, 2023: 1

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Related works (count): 10

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