Research on Underwater Sound Source Localization Based on NLM-EEMD and FCM-Generalized Quadratic Correlation

Figure 22

Three-way signal EEMD decomposition. (a) Time domain diagram of the IMF component of the EMD decomposition of the first signal. (b) Spectrogram of the IMF component decomposed by EMD of the first signal. (c) Time domain diagram of the IMF component of the EMD decomposition of the second signal. (d) Spectrogram of the IMF component decomposed by EMD of the second signal. (e) Time domain diagram of the IMF component of the EMD decomposition of the third signal. (f) Spectrogram of the IMF component decomposed by EMD of the third signal.

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