Background Multimorbidity and frailty represent emerging global health burdens that have garnered increased attention from researchers over the past two decades. We conducted a scientometric analysis of the scientific literature on the coexistence of multimorbidity and frailty to assess major...

Signal denoising is crucial in industry. However, it often faces frustration when the actual signal is non-stationary and nonlinear. To remove the noise effectively, this paper proposes a new denoising method. This paper first decomposes the original signal into the multiples limited bandwidth...