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• W4367016568 abstract "We consider the problem of direction finding using partly calibrated arrays, a distributed subarray with position errors between subarrays. The key challenge is to enhance angular resolution in the presence of position errors. To achieve this goal, existing algorithms, such as subspace separation and sparse recovery, have to rely on multiple snapshots, which increases the burden of data transmission and the processing delay. Therefore, we aim to enhance angular resolution using only a single snapshot. To this end, we exploit the orthogonality of the signals of partly calibrated arrays. Particularly, we transform the signal model into a multiple-measurement model, and show that there is approximate orthogonality between the source signals in this model. We then use blind source separation to exploit the orthogonality. Simulation and experiment results both verify that our proposed algorithm achieves high angular resolution as distributed arrays without position errors, inversely proportional to the whole array aperture." @default.
• W4367016568 created "2023-04-27" @default.
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• W4367016568 date "2023-01-01" @default.
• W4367016568 modified "2023-10-12" @default.
• W4367016568 title "Direction Finding in Partly Calibrated Arrays Exploiting the Whole Array Aperture" @default.
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• W4367016568 doi "https://doi.org/10.1109/taes.2023.3269736" @default.
• W4367016568 hasPublicationYear "2023" @default.
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