Denoising of chaotic signal using independent component analysis and empirical mode decomposition with circulate translating
Wang Wen-Bo1, 2, †, 
, Zhang Xiao-Dong2, Chang Yuchan3, Wang Xiang-Li4, Wang Zhao5, Chen Xi5, Zheng Lei6
, Zhang Xiao-Dong2, Chang Yuchan3, Wang Xiang-Li4, Wang Zhao5, Chen Xi5, Zheng Lei6 The 2-dimensional phase graph of noisy and denoised monthly sunspot signal: (a) observed signal; (b) 2-dimensional phase graph after EMD threshold denoising; (c) 2-dimensional phase graph after EMD mode threshold denoising; (d) 2-dimensional phase graph after EMD-ICA denoising.
