a Fast Rft Method Based on Multiple Filtering
Journal of physics(2021)
Abstract
A fast RFT method based on multiple filtering (MF-RFT) is proposed in this paper. The method on the basis of Radon Fourier Transform method, first of all, according to the target RCS and scenarios to determine or calculate the first decision threshold selection mode, the strong scattering points in the target echo are selected. Then, RFT and other traditional algorithms are used to achieve long-term coherent accumulation, which greatly reduces the calculation amount of the original method on the premise of ensuring the performance of parameter measurement and target detection. Then, the high efficiency and robustness of the proposed method in certain scenarios are proved by formula derivation and simulation.
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Key words
fast rft method based,multiple filtering
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