Variational mode decomposition (VMD) method has been widely used in the field of signal processing with significant advantages over other decomposition methods in eliminating modal aliasing and noise robustness. The number (usually denoted by K) of intrinsic mode function (IMF) has a great influence on decomposition results. When dealing with signals including complex components. it i... https://www.chincoponydrillteam.com/product-category/household-cleaning-skincare-beauty-and-hygiene-products/