Abstract
The accuracy rate of current sorting methods of radar emitter signal is not high and they are sensitive to the signal-noise-rate (SNR). To solve these problems, a novel sorting method is proposed. Firstly, Welch power spectrum of the received signal is analyzed and its energy is normalized. Then its complexity characteristics are extracted to reduce dimension and sort easily, and are used as the sorting parameters. The last sorting is accomplished by KFCM algorithm. According to simulation results, the Complexity characteristics of Welch Power Spectrum have excellent separability and stability in low SNR.
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