An early chatter detection method based on multivariate variational mode decomposition and chatter correlation factor

Y Lu, H Ma, Y Sun, Z Liu, Q Song - IEEE/ASME Transactions on …, 2022 - ieeexplore.ieee.org
Machining chatter is a self-excited vibration between the tool and the workpiece that affects
surface quality and productivity. In this article, we propose a novel approach for early …

Time-Domain Electromagnetic Noise Suppression Using Multivariate Variational Mode Decomposition

K **ng, S Li, Z Qu, X Zhang - Remote Sensing, 2024 - mdpi.com
Noise suppression is essential in time-domain electromagnetic (TDEM) data processing and
interpretation. TDEM data are typically in broadband signal, which makes it difficult to …

Design of spatiotemporal variability index for climatic variables

RD Gavas, M Das, SK Ghosh, A Pal - Measurement, 2024 - Elsevier
Spatiotemporal signals are currently gaining wide popularity owing to their richness in terms
of information content from both spatial and temporal aspects. Climatic studies involve the …

Towards Applicable Unsupervised Signal Denoising via Subsequence Splitting and Blind Spot Network

Z Wang, J **e, H Li, Z He - IEEE Transactions on Signal …, 2024 - ieeexplore.ieee.org
Denoising is a significant preprocessing process, garnering substantial attention across
various signal-processing domains. Many traditional denoising methods assume signal …

Spatiotemporal Climatic Signal Denoising based on Spatiotemporal Variability Index

RD Gavas, SK Ghosh, A Pal - IEEE Signal Processing Letters, 2024 - ieeexplore.ieee.org
Spatiotemporal (ST) climatic signals are used exclusively in the analysis and prediction of
weather and climate. These signals are prone to noise due to sensor defects, environmental …

Fully multivariate detrended fluctuation analysis using Mahalanobis norm with application to multivariate signal denoising

K Naveed, N ur Rehman - Measurement, 2025 - Elsevier
Detrended fluctuation analysis (DFA) has become an important tool for the long-range
correlation and local regularity fluctuation analysis of nonstationary time series data. While …

Variational Mode Decomposition Denoising Using Anderson-Darling Statistics

K Naveed, NU Rehman - 2024 9th International Conference on …, 2024 - ieeexplore.ieee.org
A novel signal denoising method is proposed based on variational mode decomposition
(VMD) and Anderson-Darling statistics. The VMD method expands a signal into its frequency …

Transient Electromagnetic Noise Suppression Based on MVMD and GMDFA

K **ng, S Li, Z Qu, X Zhang - Authorea Preprints, 2023 - techrxiv.org
Noise suppression is an important topic in transient electromagnetic (TEM) data processing
and interpretation. TEM data is a typical broadband signal, which makes it difficult to …

A NEW ROLLER BEARING FAULT DIAGNOSIS METHOD BASED ON MVMD-RMS AND DE-LSSVM

AH Linh - Journal of Science and Technology-IUH, 2024 - jst.iuh.edu.vn
This research presents a new roller bearing fault diagnosis method based on least square
support vector machine (LSSVM) with parameters optimized by the Differential Evolution …