Abstract
Common sorting method have low sorting rates and is sensitive to the Signal-to-Noise Ratio (SNR), wavelet characteristics of Wigner-Ville distribution are applied to sort unknown complicated radar signal, high sorting accuracy can be got. The Wigner-Ville distribution of received signal is calculated, then it is predigested to two-dimensional characteristics. Using wavelet transformation to extract characteristics from two-dimensional of Wigner-Ville distribution, the best characteristics are selected to be used as sorting parameters. Experiment results demonstrated that the characteristics of eight typical radar emitter signals extracted by this method showed good performance of noise-resistance and clustering at large-scale SNR.
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Supported by the National Science and Technology Supported Program of China (No. 2011BAH24B05).
Communication author: Liang Huadong, born in 1982, male, Ph.D. candidate.
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Liang, H., Han, J. Sorting radar signal based on wavelet characteristics of wigner-ville distribution. J. Electron.(China) 30, 454–462 (2013). https://doi.org/10.1007/s11767-013-3072-8
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DOI: https://doi.org/10.1007/s11767-013-3072-8