Chaotic Signal Denoising Based on Adaptive Smoothing Multiscale Morphological Filtering

Figure 10

(a) Observation data of monthly mean number of sunspot plane. (b) The noise reduction result by EMD thresholding. (c) The noise reduction result by wavelet thresholding. (d) The noise reduction result by AMMF. (e) The noise reduction result by ASMMF.

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