Showing 221 - 240 results of 610 for search '"wavelet"', query time: 0.06s Refine Results
  1. 221

    Research on Wavelet Singularity Detection Based Fault-Tolerant Federated Filtering Algorithm for INS/GPS/DVL Integrated Navigation System by Jianhua Cheng, Daidai Chen, Rene Landry Jr., Lin Zhao, Dongxue Guan

    Published 2014-01-01
    “…To solve this problem, a wavelet analysis and signal singularities based soft fault detection method are given out. …”
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    Article
  2. 222

    A Novel Compressed Sensing Method for Magnetic Resonance Imaging: Exponential Wavelet Iterative Shrinkage-Thresholding Algorithm with Random Shift by Yudong Zhang, Jiquan Yang, Jianfei Yang, Aijun Liu, Ping Sun

    Published 2016-01-01
    “…In this study, a novel method was proposed with the name of exponential wavelet iterative shrinkage-thresholding algorithm with random shift (abbreviated as EWISTARS). …”
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    Article
  3. 223

    Can Global Economic Policy Uncertainty Drive the Interdependence of Agricultural Commodity Prices? Evidence from Partial Wavelet Coherence Analysis by Siaw Frimpong, Emmanuel N. Gyamfi, Zangina Ishaq, Samuel Kwaku Agyei, Daniel Agyapong, Anokye M. Adam

    Published 2021-01-01
    “…This paper employed wavelet coherence and partial wavelet coherence to investigate the time-frequency effect of global economic policy uncertainty on the comovement of five agricultural commodities such as maize, oat, rice, soybean, and wheat using monthly data from January 1997 to December 2019. …”
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    Article
  4. 224

    onEEGwaveLAD: A fully automated online EEG wavelet-based learning adaptive denoiser for artefacts identification and mitigation. by Luca Longo, Richard B Reilly

    Published 2025-01-01
    “…This research contributes to the body of knowledge by introducing onEEGwaveLAD, a novel, fully automated, ONline, EEG wavelet-based Learning Adaptive Denoiser pipeline for artefact identification and reduction. …”
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    Article
  5. 225

    Ketahanan dan Kualitas Visual Watermarked Image Menggunakan Integer Wavelet Transform (IWT) dan Chinese Remainder Theorem (CRT) by Bambang Harjito, Eka Tri Kustanti

    Published 2023-04-01
    “…Pada paper ini mengusulkan metoda digital watermarking dengan menggunakan gabungan  Integer  Wavelet Transform (IWT) dan Chinese Remainder Theorem (CRT) untuk untuk menghasilkan watermarking dengan kualitas visual dan ketahanan yang baik dari beberapa serangan. …”
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  8. 228

    Short-Term Load Forecasting Based on Wavelet Transform and Least Squares Support Vector Machine Optimized by Fruit Fly Optimization Algorithm by Wei Sun, Minquan Ye

    Published 2015-01-01
    “…Wavelet transform is used to remove error points and enhance the stability of the data. …”
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    Article
  9. 229

    Automatic GPR detection of grouting defects behind the tunnel shield segments based on wavelet coherence analysis combined with modified Res-RCNN by Dengyi Wang, Ming Peng, Liu Liu, Xiongyao Xie, Zhenming Shi, Yaoying Liang, Jian Shen, Qiyu Wu

    Published 2025-07-01
    “…To address these, this paper introduces an automated approach using wavelet coherence and a modified Res-RCNN. The approach employs wavelet coherence to transform the time-series GPR profile into the time-frequency images and reveal the weak defect reflections. …”
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    Article
  10. 230

    Haar Wavelet Method for Nonlinear Vibration of Functionally Graded CNT-Reinforced Composite Beams Resting on Nonlinear Elastic Foundations in Thermal Environment by Jianyu Fan, Jin Huang

    Published 2018-01-01
    “…This paper presents a simple and effective approach based on the Haar wavelet discretization method (HWDM) for the nonlinear vibration analysis of carbon nanotube-reinforced composite (CNTRC) beams resting on a nonlinear elastic foundation in a thermal environment. …”
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    Article
  11. 231

    Defect Diagnosis of Gear-Shaft Bearing System Based on the OWF-TSCNN Composed of Wavelet Time-Frequency Map and FFT Spectrum 1 by Peng Dai, JianPing Wang, Lulu Wu, ShuPing Yan, FengTao Wang, Linkai Niu

    Published 2022-01-01
    “…In this method, the vibration signals are collected using multiple sensors, the dual-tree complex wavelet and the optimal weighting factor (OWF) methods are used for the data layer fusion, and the preprocessing is realized through wavelet transform and FFT. …”
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    Article
  12. 232

    Optical Coherence Tomography Noise Reduction Using Anisotropic Local Bivariate Gaussian Mixture Prior in 3D Complex Wavelet Domain by Hossein Rabbani, Milan Sonka, Michael D. Abramoff

    Published 2013-01-01
    “…In this paper, MMSE estimator is employed for noise-free 3D OCT data recovery in 3D complex wavelet domain. Since the proposed distribution for noise-free data plays a key role in the performance of MMSE estimator, a priori distribution for the pdf of noise-free 3D complex wavelet coefficients is proposed which is able to model the main statistical properties of wavelets. …”
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    Article
  13. 233

    New Wavelets Collocation Method for Solving Second-Order Multipoint Boundary Value Problems Using Chebyshev Polynomials of Third and Fourth Kinds by W. M. Abd-Elhameed, E. H. Doha, Y. H. Youssri

    Published 2013-01-01
    “…This paper is concerned with introducing two wavelets collocation algorithms for solving linear and nonlinear multipoint boundary value problems. …”
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    Article
  14. 234

    Application of Image Recognition Algorithm Based on Partial Differential Equation and Wavelet Transform in the Intelligent Linkage System of Government Urban Public Management by Xinyu Xu

    Published 2021-01-01
    “…The method of mathematical modeling is used to combine the improved wavelet domain Wiener filter and the comprehensive model of partial differential equations. …”
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