Wang K, Shang Y, Lu Y, Lin T. An Improved Second-Order Multi-Synchrosqueezing Transform for the Analysis of Non-Stationary Signals. JDMD [Internet]. 2023 Aug. 15 [cited 2024 Nov. 22];2(3):183-9. Available from: https://ojs.istp-press.com/dmd/article/view/207