Improved Intrinsic Time-Scale Decomposition Method and its Simulation
Aiming at relieving the mode mixing of the intrinsic time-scale decomposition (ITD) method used to process the intermittent signals, the improved intrinsic time-scale decomposition (IITD) method is proposed in the paper. The IITD method employs white noise which has the uniform power distribution in different frequencies as a reference to resolve the problem. Furthermore, a simulation signal was utilized to examine the performance of the IITD method as well as that of the original ITD method. As a result, the comparison between the results from the two methods indicates that the IITD method reflects an obvious improvement on the original ITD method for processing the intermittent signals.
Dongye Sun, Wen-Pei Sung and Ran Chen
J. S. Lin "Improved Intrinsic Time-Scale Decomposition Method and its Simulation", Applied Mechanics and Materials, Vols. 121-126, pp. 2045-2048, 2012