Short-time variational mode decomposition

Hao Jia

doi:10.1016/j.sigpro.2025.110203

Short-time variational mode decomposition

2025-07-19

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DOI：10.1016/j.sigpro.2025.110203

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Variational mode decomposition (VMD) and its extensions like Multivariate VMD (MVMD) decompose signals into ensembles of band-limited modes with narrow central frequencies using Fourier transformations. However, since these transformations span the entire time-domain signal, they are suboptimal for analyzing non-stationary time series.

Keywords:

Variational mode decomposition

Short-time fourier transform

Signal processing

Non-stationary signals

Time–frequency analysis

Short-time variational mode decomposition

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