Discrete Dynamics in Nature and Society / 2011 / Article / Fig 6

Research Article

Bivariate EMD-Based Data Adaptive Approach to the Analysis of Climate Variability

Figure 6

Trend detection noisy speech signal. (a) Standardized empirical mean of the fine-to-coarse EMD reconstruction, evidencing as the change point; (b) top: original signal, middle: estimated trend obtained from the partial reconstruction with IMFs 3 to 7 + the residual, bottom: noise (detrended) signal obtained from the partial reconstruction with IMFs 1 to 2.
935034.fig.006a
(a)
935034.fig.006b
(b)