Results 21 to 30 of about 8,950,043 (334)

Photovoltaic Power Quality Analysis Based on the Modulation Broadband Mode Decomposition Algorithm

open access: yesEnergies, 2021
The Broadband Mode Decomposition (BMD) method was previously proposed to solve the Gibbs phenomenon that occurs during photovoltaic signal decomposition; its main idea is to build a dictionary which contains signal features, and to search in the ...
Zucheng Wang   +7 more
doaj   +1 more source

Application of Empirical Mode Decomposition and Extreme Learning Machine Algorithms on Prediction of the Surface Vibration Signal

open access: yesEnergies, 2021
Accurately predicting surface vibration signals of diesel engines is the key to evaluating the operation quality of diesel engines. Based on an improved empirical mode decomposition and extreme learning machine algorithm, the characteristics of diesel ...
Yan Shen   +3 more
doaj   +1 more source

Contrast of multi‐resolution analysis approach to transhumeral phantom motion decoding

open access: yesCAAI Transactions on Intelligence Technology, 2021
In signal processing, multiresolution decomposition techniques allow for the separation of an acquired signal into sub levels, where the optimal level within the signal minimises redundancy, uncertainties, and contains the information required for the ...
Ejay Nsugbe   +3 more
doaj   +1 more source

Research on a Noise Reduction Method Based on Multi-Resolution Singular Value Decomposition

open access: yesApplied Sciences, 2020
Reducing noise pollution in signals is of great significance in the field of signal detection. In order to reduce the noise in the signal and improve the signal-to-noise ratio (SNR), this paper takes the singular value decomposition theory as the ...
Gang Zhang   +6 more
doaj   +1 more source

Spectral Decomposition of Signaling Networks [PDF]

open access: yes2007 IEEE Symposium on Computational Intelligence and Bioinformatics and Computational Biology, 2007
Many dynamical processes can be represented as directed attributed graphs or Petri nets where relationships between various entities are explicitly expressed. Signaling networks modeled as Petri nets are one class of such graphical modeling and representations. These networks encode how different protein in specific compartments, interact to create new
Parvin, Bahram   +7 more
openaire   +3 more sources

A Novel Wave Decomposition for Oscillatory Signals [PDF]

open access: yesIEEE Transactions on Signal Processing, 2021
Oscillatory systems arise in the different science fields. Complex mathematical formulations with differential equations have been proposed to model the dynamics of these systems. While they have the advantage of having a direct physiological meaning, they are not useful in practice as a result of the parameter adjustment complexity and the presence of
Cristina Rueda Sabater   +2 more
openaire   +4 more sources

Atomic decompositions of audio signals [PDF]

open access: yesProceedings of 1997 Workshop on Applications of Signal Processing to Audio and Acoustics, 2002
Signal modeling techniques ranging from basis expansions to parametric approaches have been applied to audio signal processing. Motivated by the fundamental limitations of basis expansions for representing arbitrary signal features and providing means for signal modifications, we consider decompositions in terms of functions that are both signal ...
Goodwin, Michael, Vetterli, Martin
openaire   +1 more source

Analysis of rock microseismic signal based on blind source wavelet decomposition algorithm

open access: yesAIP Advances, 2022
At present, microseismic technology is a widely used method for monitoring the rock burst phenomenon during the construction of deep-buried tunnels. The rock fracture in the tunnel will generate seismic waves.
Guili Peng   +4 more
doaj   +1 more source

Research on a Denoising Method of Vibration Signals Based on IMRSVD and Effective Component Selection

open access: yesEnergies, 2022
This paper proposes a denoising method of vibration signal based on improved multiresolution singular value decomposition (IMRSVD) and effective component selection.
Xihui Chen   +3 more
doaj   +1 more source

Application of a flat variational modal decomposition algorithm in fault diagnosis of rolling bearings

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2020
Fault diagnosis of rolling bearings can effectively prevent sudden accidents and is an important factor for the safe operation of mechanical systems.
Haodong Li   +5 more
doaj   +1 more source

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