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IEEE/ICACT20230135 Slide.13        [Big Slide]       [YouTube]	Oral Presentation
	The recognition performance the proposed STFT-based and conventional Wigner-Ville distribution-based (WVD-based) methods is illustrated in Fig. 5. We can see that the recognition accuracy by STFT preprocessing is significantly higher than that of WVD preprocessing because the cross-term interference occurs inevitably in WVD, leading to a low recognition accuracy. In particular, the cross-term interference is more severe in the high SINR region, which causes a decrease in the recognition accuracy.

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