Xin, Zhang, Shao Jie, An Wenwei, Yang Tiantian, and Reza Malekian. “An Improved Time-Frequency Representation Based on Nonlinear Mode Decomposition and Adaptive Optimal Kernel”. Elektronika ir Elektrotechnika 22, no. 4 (August 9, 2016): 52 - 57. Accessed April 26, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/15918.