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cross-wavelet

ECG BEAT CLASSIFICATION USING CROSS-WAVELET AND LVQ

ECG BEAT CLASSIFICATION USING CROSS-WAVELET AND LVQ

... The cross-wavelet transform of two time series and is defined as = , where * denote complex conjugate ...the cross-wavelet ...the cross wavelet power of two time series with ...

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Application of the cross wavelet transform and wavelet coherence to geophysical time series

Application of the cross wavelet transform and wavelet coherence to geophysical time series

... the Cross Wavelet Transform (XWT) which will expose their common power and relative phase in time-frequency ...of Wavelet Coherence (WTC) between two CWT, which can find significant coherence even ...

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Cross wavelet analysis: significance testing and pitfalls

Cross wavelet analysis: significance testing and pitfalls

... of cross wavelet analysis of bivariate time ...zero wavelet coherency based on Monte Carlo ...of wavelet cross spectra and wavelet coherency are ...The wavelet ...

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Grinding Burn Detection Based on Cross Wavelet and Wavelet Coherence Analysis by Acoustic Emission Signal

Grinding Burn Detection Based on Cross Wavelet and Wavelet Coherence Analysis by Acoustic Emission Signal

... the cross wavelet transform (XWT) and wavelet coherence (WTC) were applied to reveal the coher- ence relationship of the pure metal burn signal and grinding burn ...

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Application of the Cross Wavelet Transform to Solar Activity and Major Earthquakes Occurred in Chile

Application of the Cross Wavelet Transform to Solar Activity and Major Earthquakes Occurred in Chile

... the Cross Wavelet Transform (XWT) which will expose their common power and relative phase in time-frequency ...the cross wavelet transform (XWT) for examining relationships in time frequency ...

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Cross correlation and cross wavelet analyses of the solar wind IMF Bz and auroral electrojet index AE coupling during HILDCAAs

Cross correlation and cross wavelet analyses of the solar wind IMF Bz and auroral electrojet index AE coupling during HILDCAAs

... 2011. Cross-wavelet and cross-correlation analyses results show that the coupling between the solar wind and the magneto- sphere during HILDCAAs occurs mainly in the period ≤ 8 ...

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Investigation of correlation of the variations in land subsidence (detected by continuous GPS measurements) and methodological data in the surrounding areas of Lake Urmia

Investigation of correlation of the variations in land subsidence (detected by continuous GPS measurements) and methodological data in the surrounding areas of Lake Urmia

... the cross wavelet transform (XWT) was carried out between the two types of time series, namely vertical components of GPS measurements and daily temperature time ...

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Oil price, exchange rate and consumer price co movement: A continuous wavelet analysis

Oil price, exchange rate and consumer price co movement: A continuous wavelet analysis

... the cross-wavelet coherency, partial-wavelet coherency and wavelet phase-difference, this paper investigates the time-frequency co-movement among crude oil price, Rwandan Franc/USD exchange ...

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HP-Filter and Wavelets Analysis Modelling In
Financial Markets

HP-Filter and Wavelets Analysis Modelling In Financial Markets

... the cross-wavelet transform will tell us if the correlation is significant or not, the wavelet coherence transformation has the advantage of being normalized by the power spectrum of the two ...

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Relative timing of precipitation and ocean circulation changes in the western equatorial Atlantic over the last 45 kyr

Relative timing of precipitation and ocean circulation changes in the western equatorial Atlantic over the last 45 kyr

... Using cross-wavelet transforms and spectrogram analysis, we assess the relative phase between the MD09-3257 sed- imentary Pa / Th and ln(Ti / Ca) ...

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Co Movement of Pakistan Stock Exchange with India, S&P 500 and Nikkei 225: A Time frequency (Wavelets) Analysis

Co Movement of Pakistan Stock Exchange with India, S&P 500 and Nikkei 225: A Time frequency (Wavelets) Analysis

... continuous wavelet power spectrum, cross-wavelet transform and cross (squared) wavelet ...of cross wavelet and wavelet coherence analysis indicate moderate ...

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Decomposing Time Frequency Relationship between Interest Rates and Share Prices in India through Wavelets

Decomposing Time Frequency Relationship between Interest Rates and Share Prices in India through Wavelets

... Fig. 2. Cross wavelet transform of the SP and IR time series. The thick black contour designates the 5% significance level against red noise which estimated from Monte Carlo simulations using phase ...

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A contribution to understanding the turbidity behaviour in an Amazon floodplain

A contribution to understanding the turbidity behaviour in an Amazon floodplain

... The wavelet analysis locates this on the time- frequency ...The cross wavelet analysis confirms the results obtained by the Fourier and Wavelet analysis, showing that, during low-water levels, ...

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The influence of carbonate platform interactions with subduction zone volcanism on palaeo-atmospheric  CO2 since the Devonian

The influence of carbonate platform interactions with subduction zone volcanism on palaeo-atmospheric CO2 since the Devonian

... using wavelet anal- ysis, which attempts to detect correlations and periodicities in two time series, namely climate proxy data and subduction zone lengths, at any scale or duration (Grinsted et ...apply ...

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4-Tap Wavelet Filters Using Algebraic Integers

4-Tap Wavelet Filters Using Algebraic Integers

... of wavelet coefficients with a zero-zone is an approximation to the thresholding ...that wavelet-based lossy compression achieves ...about wavelet thresholding for image denoising and also for lossy ...

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A COMPREHENSIVE REVIEW ON WAVELET TRANSFORM AND ITS APPLICATIONS

A COMPREHENSIVE REVIEW ON WAVELET TRANSFORM AND ITS APPLICATIONS

... decades Wavelet Transform (WT) has drawn attention by mathematicians and researchers for its multiple outputs at different frequency bands called ...scales. Wavelet theory involves representation of general ...

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Dual Tree Complex Wavelet Transform for Medical Image Fusion

Dual Tree Complex Wavelet Transform for Medical Image Fusion

... Many methods exist to perform image fusion. The very basic one is the high pass filtering technique. Later techniques are based on Discrete Wavelet Transform, uniform rational filter bank, and Laplacian pyramid ...

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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, Un- decimated wavelet transform, Dual tree Complex wavelet trans- form, Double Density discrete wavelet transform and Double den- sity dual tree complex ...

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SELECTION OF OPTIMAL BASE WAVELET FOR IMAGE COMPRESSION

SELECTION OF OPTIMAL BASE WAVELET FOR IMAGE COMPRESSION

... of wavelet, discrete wavelet transforms, principles of image compression, image compression methodology, the selection of discrete wavelet transform with results and ...

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Digital Image Watermarking for Arbitrarily Shaped Objects Based On SA-DWT

Digital Image Watermarking for Arbitrarily Shaped Objects Based On SA-DWT

... The in-place lifting DWT implementation has special implications for the SA-DWT[8], which can best be understood visually as shown in Fig.1. As the SA-DWT is performed, the spatial domain shape mask remains intact with ...

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