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Morlet Wavelet

Multi stages helical gearbox fault detection using vibration signal and Morlet wavelet transform adapted by information entropy difference

Multi stages helical gearbox fault detection using vibration signal and Morlet wavelet transform adapted by information entropy difference

... adaptive Morlet wavelet method based on maximum wavelet entropy difference is proposed in this ...adaptive Morlet wavelet and TSA ...the Morlet wavelet in order to achieve ...

8

Adaptive Parameter Identification Based on Morlet Wavelet and Application in Gearbox Fault Feature Detection

Adaptive Parameter Identification Based on Morlet Wavelet and Application in Gearbox Fault Feature Detection

... the Morlet wavelet and correlation filtering, named Cyclic Morlet Wavelet Correlation Filtering (CMWCF), is proposed for identifying both parameters of impulse response and the cyclic period ...

10

A Method of Symbol Rate Estimation Based on Wavelet Transform for Digital Modulation Signals

A Method of Symbol Rate Estimation Based on Wavelet Transform for Digital Modulation Signals

... the wavelet function in wavelet analysis with ( )  t diversity, there are Haar wavelet, Daubechies wavelet (dbN), Mexican Hat wavelet, Morlet wavelet and Meyer ...

6

Earlier Detection of Glaucoma using Empirical Wavelet Transform

Earlier Detection of Glaucoma using Empirical Wavelet Transform

... The ranked features are classified using the Least Squares Support Vector Machine (LS-SVM) classifier with kernels such as Radial Basis Function (RBF), Morlet wavelet and Mexican-hat wavelet. LS-SVM ...

8

Fringe pattern analysis using a one dimensional modified Morlet continuous wavelet transform

Fringe pattern analysis using a one dimensional modified Morlet continuous wavelet transform

... complex Morlet wavelet and secondly with the modified Morlet ...complex Morlet wavelet behaves much better than the conventional ...Morlet wavelet. These errors are ...

7

Time frequency analysis of
electrical brain responses
to nociceptive stimulation

Time frequency analysis of electrical brain responses to nociceptive stimulation

... The wavelet method on the other hand incorporates wavelets such as the Morlet wavelet, which can be seen as the product of a sinusoidal function with a Gaussian ...the Wavelet method, based on ...

27

Improvement for the multi-scale periodic characteristics revealing of precipitation signals and its impact assessment on soil hydrological process by combining HHT and CWT approaches

Improvement for the multi-scale periodic characteristics revealing of precipitation signals and its impact assessment on soil hydrological process by combining HHT and CWT approaches

... continuous wavelet transform (CWT) and innovatively combining the improved Hilbert–Huang transform (HHT), and further deduces the precipitation trend and its impacts on the future soil hydro- logical ...The ...

15

Analysis of Wavelet Transform Approach for Healthcare Data Security in Cloud Framework R. Parameswari , Dr. R. Latha

Analysis of Wavelet Transform Approach for Healthcare Data Security in Cloud Framework R. Parameswari , Dr. R. Latha

... and Morlet. Wavelet analysis is a numerical procedure used to represent information or capacities ...The wavelet transform is a developing signal processing system that can be utilized to represent ...

6

Analysis of the Meteorological Variables for Puebla  City 2011 2012 Applying the Modeling  Ion Wavelets in a Hypothetical Manner

Analysis of the Meteorological Variables for Puebla City 2011 2012 Applying the Modeling Ion Wavelets in a Hypothetical Manner

... the Morlet wavelet transform is used, which is the result of a huge number of researches made in the 80’s and applied to various physical phenomena derived from natural chaotic processes; the data were ...

9

Ultrasound Tissue Harmonic Imaging based on Wavelet Correlation Analysis

Ultrasound Tissue Harmonic Imaging based on Wavelet Correlation Analysis

... based Morlet transform Imaging (THMI) and Tissue Harmonic based Wavelet transform Imaging (THWI), from left to right, ...utilizing wavelet transform. Tissue wavelet performs better than ...

5

A Time Based Framework for Evaluating Hydrologic Routing Methodologies Using Wavelet Transform

A Time Based Framework for Evaluating Hydrologic Routing Methodologies Using Wavelet Transform

... the Morlet wavelet spatially in Figure 12, where positive values indicate that the simulated flow is ahead of the observed flow and vice ...Paul wavelet and is mainly caused by the shape of the ...

23

A Modified Speech Enhancement Algorithm Based on the Continuous Wavelet Transform

A Modified Speech Enhancement Algorithm Based on the Continuous Wavelet Transform

... continuous wavelet transforms ...the Morlet wavelet scaled at various ...the Morlet wavelet scaled at the same frequencies as it was done for the forward CWT computation and performing ...

8

Implementation of Psychoacoustic model in Audio Compression using Munich and Gammachirp Wavelets

Implementation of Psychoacoustic model in Audio Compression using Munich and Gammachirp Wavelets

... choosing morlet wavelet as mother wavelet. Morlet wavelet is chosen based on that it has good properties in joint time frequency localization and has a well defined impulse ...The ...

7

Wavelet Neural Network for Classification of Bundle Branch Blocks

Wavelet Neural Network for Classification of Bundle Branch Blocks

... of wavelet neural network for classification of bundle branch ...proposed wavelet neural network was implemented using Morlet and Mexican hat wavelet functions as activation function in hidden ...

5

4-Tap Wavelet Filters Using Algebraic Integers

4-Tap Wavelet Filters Using Algebraic Integers

... discrete wavelet transforms (DWT) has been attracting substantial interest in part due to the wavelet analysis being capable of decomposing a signal into a particular set of basic functions equipped with ...

6

Dual Tree Complex Wavelet Transform for Medical Image Fusion

Dual Tree Complex Wavelet Transform for Medical Image Fusion

... applications. Wavelet based fusion techniques have been reasonably effective in combining perceptually important image ...the wavelet transform is important in ensuring robust sub band ...complex ...

6

Comparative Analysis of Image Compression Using Wavelet and Ridgelet Transform

Comparative Analysis of Image Compression Using Wavelet and Ridgelet Transform

... the Wavelet Transform that most image information is contained in a small number of significant coefficients around the locations of singularities or image ...current Wavelet-based methods ...

7

Signature Analysis of Mechanical Watch by Reassigned Scalogram

Signature Analysis of Mechanical Watch by Reassigned Scalogram

... Fig. 8 shows the signals of two testing watches and both of them have some faults. The clearance between the horns and the impulse pin is too small in testing watch No. 1. For testing watch No. 2, there are too much ...

6

Denoising of Poisson and Rician Noise from Medical Images using Variance Stabilization and Multiscale Transforms

Denoising of Poisson and Rician Noise from Medical Images using Variance Stabilization and Multiscale Transforms

... discrete wavelet transform is denoising the images but it fails to preserve the edges with orientation because of its shift variance ...undecimated wavelet transform will overcome this drawback in little ...

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A NOVEL APPROACH FOR ENHANCEMENT OF MULTI MEDIA INFORMATION USING HAAR TRANSFORM

A NOVEL APPROACH FOR ENHANCEMENT OF MULTI MEDIA INFORMATION USING HAAR TRANSFORM

... a wavelet family or basis. Wavelet Fourier analysis in that it allows a target function over an interval to be represented in terms of an function ...Haar wavelet is also the simplest possible ...

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