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. Author manuscript; available in PMC: 2011 Mar 8.
Published in final edited form as: IEEE Trans Biomed Eng. 2006 Jun;53(6):1016–1023. doi: 10.1109/TBME.2006.873394

Fig. 1.

Fig. 1

Time evolution of SE, WE and IQ for signal with time-varying frequency components and Gaussian distribution. (a) Time domain representation. (b) Comparison of SE, WE, and IQ.