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Detection of uniaxial fatigue stress under magnetic flux leakage signals using Morlet wavelet
Published 2022-07-01“…This paper demonstrates the application of continuous wavelet transform technique for magnetic flux leakage signal generated during a uniaxial fatigue test. …”
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FEATURE EXTRACTION METHOD OF SOUND SIGNAL TO ROLLING BEARING BASED ON BLIND SOURCE SEPARATION AND MORLET WAVELET
Published 2018-01-01“…It is a new method of sound signal testing and analysis,but the SNR is too low,so we raise a feature extraction method of sound signal to rolling bearing based on blind source separation and adaptive Morlet wavelet. …”
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The Adaptive Analysis of Shock Signals on the Basis of Improved Morlet Wavelet Clusters
Published 2018-01-01“…Morlet wavelets do not satisfy the permissibility condition of wavelet analysis, and there are therefore no inverse transformations for Morlet wavelet transforms. …”
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Morlet Wavelets in Quantum Mechanics
Published 2012-11-01“…But to take full advantage of Morlet wavelets we need to supply an explicit form for the inverse Morlet transform and a manifestly covariant form for the four-dimensional Morlet wavelet. …”
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Morlet Wavelet Neural Networks-Based Intelligent Approach to Analyze the Impact of Aligned Magnetic Field on a Nanofluid Thin Film Flow With Irreversibility Analysis and Chemical R...
Published 2025-01-01“…The MW function transforms the ODEs into an artificial NNs-based fitness function and then particle swarm optimization (PSO) is used for optimal fitness values. …”
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Research on Fault Detection Technology for Circuit Breaker Operating Mechanism Combinations Based on Deep Residual Networks
Published 2025-02-01“…This study employs the Morlet wavelet transform to convert the current and displacement signals in the time series into time-frequency spectrograms. …”
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Spectrum Analysis of Signal in Wolfram Mathematica System
Published 2021-04-01“…Spectral analysis of the signal is constructed by means of the Fourier transform. …”
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Applications and Comparison of Continuous Wavelet Transforms on Analysis of A-wave Impulse Noise
Published 2015-09-01“…This study focuses on the analysis of A-wave impulse noise in the T-F domain using continual wavelet transforms. …”
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Estimation of seasonal changes in the frequency characteristics of wind speed and direction in coastal Dagestan, Russia
Published 2021-01-01“…As a mathematical research tool, a continuous wavelet transform with a complex Morlet wavelet function was used.Results. …”
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Improved empirical wavelet transform combined with particle swarm optimization-support vector machine for EEG-based depression recognition
Published 2024-12-01“…The EWT is refined based on the Morlet wavelet, which allows for the precise decomposition of EEG rhythms. …”
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INTELLIGENT TECHNOLOGY OF WAVELET ANALYSIS OF VIBRATION SIGNALS
Published 2019-12-01“…This requires the use of wavelet-transformation oscillation methods and introduction of intelligent systems to hardware and software used in the experiment. …”
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Integration of Machine Learning and Wavelet Algorithms for Processing Probing Signals: An Example of Oil Wells
Published 2025-01-01“…The wavelet transform, particularly the Daubechies, Morlet, and Galerkin wavelets, is employed to decompose signals into different frequency components while preserving time-domain information. …”
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Quantification of Subsurface Hydrological Connectivity Using Wavelet Coherence Analysis
Published 2025-01-01“…Firstly, Continuous Wavelet Transform (CWT) was applied to extend the soil moisture time series into the time-frequency domain, using the Morlet wavelet as the mother wavelet due to its optimal time-frequency localization for hydrological signals. …”
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Comparative Study of Time-Frequency Decomposition Techniques for Fault Detection in Induction Motors Using Vibration Analysis during Startup Transient
Published 2015-01-01“…The studied methodologies are the time-frequency distribution of Gabor (TFDG), the time-frequency Morlet scalogram (TFMS), multiple signal classification (MUSIC), and fast Fourier transform (FFT). …”
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Shaking Table Tests for Seismic Response of Orthogonal Overlapped Tunnel under Horizontal Seismic Loading
Published 2021-01-01“…In particular, the time- and frequency-domain characteristics of the key parts of the tunnel were discussed in detail by using the continuous wavelet transform (CWT) based on the Morlet wavelet as the basis function. …”
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Periodic Variation of Solar Flare Index for the Last Solar Cycle (Cycle 24)
Published 2021-01-01“…In this study, the periodic variations of abovementioned three categories FI data sets were investigated by using the MTM and Morlet wavelet analysis methods. The wavelet coherence (XWT) and cross wavelet (WTC) analysis methods were also performed between these data sets. …”
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