Showing 41 - 60 results of 922 for search '"wavelet"', query time: 0.04s Refine Results
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    A Characterization of Multi-Wavelet Dual Frames in Sobolev Spaces by Jianping Zhang, Jiajia Li

    Published 2020-01-01
    “…For the past few years, wavelet and multi-wavelet frames have attracted interest from researchers. …”
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    Article
  3. 43

    Fault Diagnosis of the Bearing based on the Wavelet Transform and Approximate Entropy by Zhang Penglin, Kong Peng, Zhang Chong, Liu Ruijun, Deng Huiqing

    Published 2015-01-01
    “…Combining the wavelet transform and approximate entropy theory,according to the characteristic that the approximate entropy will become larger with the increase of signal complexity,it is applied to the analysis of acoustic emission signals of the bearing. …”
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    Article
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    Asymptotic Expansions of the Wavelet Transform for Large and Small Values of b by R. S. Pathak, Ashish Pathak

    Published 2009-01-01
    “…Asymptotic expansions of the wavelet transform for large and small values of the translation parameter b are obtained using asymptotic expansions of the Fourier transforms of the function and the wavelet. …”
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    Article
  6. 46

    Shift Unitary Transform for Constructing Two-Dimensional Wavelet Filters by Fei Li, Jianwei Yang

    Published 2011-01-01
    “…Due to the difficulty for constructing two-dimensional wavelet filters, the commonly used wavelet filters are tensor-product of one-dimensional wavelet filters. …”
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    Article
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    Wavelet Domain Multidictionary Learning for Single Image Super-Resolution by Xiaomin Wu, Jiulun Fan, Jian Xu, Yanzi Wang

    Published 2015-01-01
    “…In order to alleviate the uncertainty in HF detail prediction, the HR and LR images are usually decomposed into 4 subbands after 1-level discrete wavelet transformation (DWT), including an approximation subband and three detail subbands. …”
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    Wavelet-Galerkin Quasilinearization Method for Nonlinear Boundary Value Problems by Umer Saeed, Mujeeb ur Rehman

    Published 2014-01-01
    “…A numerical method is proposed by wavelet-Galerkin and quasilinearization approach for nonlinear boundary value problems. …”
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    Article
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    Effective Denoising of Firing Shock Force on Shoulder by Morphological Wavelet by Ye Lu, Ke-dong Zhou, Peng-han Gong, Bing Li

    Published 2018-01-01
    “…Wavelet transform is one of the most desirable tools for depressing noise. …”
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    Article
  15. 55

    Optimal Wavelet Estimation of Density Derivatives for Size-Biased Data by Jinru Wang, Zijuan Geng, Fengfeng Jin

    Published 2014-01-01
    “…A perfect achievement has been made for wavelet density estimation by Dohono et al. in 1996, when the samples without any noise are independent and identically distributed (i.i.d.). …”
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    Nonhomogeneous Wavelet Dual Frames and Extension Principles in Reducing Subspaces by Jianping Zhang, Huifang Jia

    Published 2020-01-01
    “…It can be seen from the literature that nonhomogeneous wavelet frames are much simpler to characterize and construct than homogeneous ones. …”
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    Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis method by Natsuki Takahashi, Shun Nakagawa, Masato Mikami

    Published 2025-03-01
    “…This study investigated the characteristics of in-cylinder pressure and vibration acceleration for a single-cylinder diesel engine for different engine speeds using three analysis methods: FFT analysis, wavelet analysis, and wavelet cross-correlation analysis. …”
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    Article