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• W2896133095 abstract "It is challenging to detect a moving target in the reverberant environment for a long time. In recent years, a kind of method based on low-rank and sparse theory was developed to study this problem. The multiframe data containing the target echo and reverberation are arranged in a matrix, and then, the detection is achieved by low-rank and sparse decomposition of the data matrix. In this paper, we introduce a new method for the matrix decomposition using dynamic mode decomposition (DMD). DMD is usually used to calculate eigenmodes of an approximate linear model. We divided the eigenmodes into two categories to realize low-rank and sparse decomposition such that we detected the target from the sparse component. Compared with the previous methods based on low-rank and sparse theory, our method improves the computation speed by approximately 4–90-times at the expense of a slight loss of detection gain. The efficient method has a big advantage for real-time processing. This method can spare time for other stages of processing to improve the detection performance. We have validated the method with three sets of underwater acoustic data." @default.
• W2896133095 created "2018-10-26" @default.
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• W2896133095 date "2018-10-15" @default.
• W2896133095 modified "2023-10-18" @default.
• W2896133095 title "Moving Target Detection Using Dynamic Mode Decomposition" @default.
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• W2896133095 doi "https://doi.org/10.3390/s18103461" @default.
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• W2896133095 hasPublicationYear "2018" @default.
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