Abstract
This paper presents an efficient approach for rapidly solving the multiple snapshot signal model, aiming to achieve accurate estimation of the DOA while reconstructing the incident signals. The proposed method is based on compressed sensing (CS) and involves several steps. Firstly, a measurement matrix is introduced into the multi-snapshot model, resulting in a reduced number of snapshot received data. Secondly, the corresponding source signals are obtained using the orthogonal matching pursuit (OMP) algorithm, which serves as the measurement results of the original source signals. Thirdly, the original source signals are reconstructed using the discrete Fourier transform (DFT) basis or interpolated DFT basis as the sparse transform, combined with OMP. The algorithm’s principle is elaborated in detail, and numerical simulations demonstrate its accuracy and low complexity.
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Funding
This work was supported in part by the National Natural Science Foundation of China under Grant 62071004, Anhui Engineering Laboratory for Sports Health Information Monitoring Technology Development Project under Grant KF2022YB03, and the Natural Science Foundation of the Anhui Higher Education Institutions under Grant 2023AH051280.
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Chen, B., Sun, Y. Application of compressive sensing for fast solving multi-snapshot signal model in uniform linear arrays. SIViP 18, 1507–1513 (2024). https://doi.org/10.1007/s11760-023-02866-8
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DOI: https://doi.org/10.1007/s11760-023-02866-8