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A New Time-frequency Domain Feature Extraction Method for Rolling Bearing Fault Diagnosis
Published 2016-01-01“…For fault diagnosis of rolling bearings,a new feature extraction strategy based on short time Fourier transform( STFT) and bag of wordss( BOW) is proposed. …”
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Efficient High-Order Iterative Methods for Solving Nonlinear Systems and Their Application on Heat Conduction Problems
Published 2017-01-01“…Numerical comparisons are made with the same existing methods, on standard nonlinear systems and a nonlinear one-dimensional heat conduction equation by transforming it in a nonlinear system by using finite differences. …”
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Activation methods for enhancing CO2 mineralization via mine tailings—A critical review
Published 2025-06-01“…However, inherent mineralogical differences necessitate tailored activation strategies to increase CO2 reactivity. …”
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Bioactive zinc nanomaterials synthesized from Crotalaria Pallida leaf extract using hydrothermal method
Published 2024-12-01“…This is identified from the characterization studies that includes X-ray diffraction (XRD), UV–visible spectroscopy (UV–Vis), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, Field emission scanning electron microscopy (FESEM), and Dynamic Light Scattering (DLS). …”
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Acoustic scene classification using inter- and intra-subarray spatial features in distributed microphone array
Published 2024-12-01“…Under the assumption that multiple subarrays, each equipped with microphones, are synchronized, we investigate two types of spatial feature: intra- and inter-generalized cross-correlation phase transforms (GCC-PHATs). These are derived from channels within the same subarray and between different subarrays, respectively. …”
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A Novel Denoising Algorithm of Electromagnetic Ultrasonic Detection Signal Based on Improved EEMD Method
Published 2018-01-01“…Then the wavelet transform modulus maximum denoising method is used to deal with the IMF components of the high-frequency part obtained before. …”
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Novel multistage deep convolution neural network-based Parkinson’s disease detection and severity grading of running speech using LSF spectrums for detection and STFT spectrums for...
Published 2025-09-01“…In this paper, a novel scheme is proposed in which convolution neural network (CNN) learning on line spectral frequency (LSF) spectrum is proposed for PD detection and CNN learning on short time Fourier transform (STFT) spectrum is proposed for PD severity grading. …”
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Classification of Coronavirus Disease 2019 and Pneumonia Based on US-VM Model
Published 2025-01-01“…In addition to medical studies, computer-aided studies provide great support for early diagnosis. Methods: In this study, a model called Unsharp Swin transformer and Vision transformer network with Mobile Network Version 2 (MobileNetV2) (US-VM) was developed to classify the lung images. …”
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Adaptive Multi-Scale Bayesian Framework for MFL Inspection of Steel Wire Ropes
Published 2024-11-01“…Our approach integrates discrete wavelet transform with adaptive thresholding and multi-scale feature fusion, enabling simultaneous detection of minute defects and large-area corrosion. …”
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Identification of Interactions Between the Effects of Geodynamic Activity and Changes in Radon Concentration as Markers of Seismic Events
Published 2025-07-01“…The interpretation is based on advanced data analysis methods, such as Fourier wavelet transform, SGolay correlation analysis, and time-based data categorization. …”
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A novel dual-student reverse knowledge distillation method for magnetic tile defect detection
Published 2025-07-01“…It outperforms existing methods in both pixel-level and sample-level anomaly detection tasks.…”
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Recognition Method of Corn and Rice Crop Growth State Based on Computer Image Processing Technology
Published 2022-01-01“…According to contour information of images, the block wavelet transform method is used for feature adaptive matching. …”
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Novel Automatic Classification Method for Geological Structures in Carbonate Formations Based on Electrical Imaging Logging
Published 2025-02-01“…Finally, these features are used to train an extreme gradient boosting (XGBoost) model, enabling the automatic classification of different geological structures. Validation using actual carbonate logging data shows that the classification accuracy of this method exceeds an 80% agreement rate with core observations. …”
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Bi-level Optimization Method for Bidding Strategy of Power Suppliers Considering Energy-Consuming Right
Published 2023-05-01“…Aiming at the coupling mechanism of electricity market and energy-consuming right market, this paper proposes a bi-level optimization method for bidding strategy of power generation companies considering the constrains of energy-consuming right quotas according to the energy consumption intensity of different power generation companies. …”
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Comparing the Structural and Physicochemical Properties of Highland Barley <i>β</i>-Glucan from Different Sources: A Focus on Color
Published 2025-01-01“…Herein, <i>β</i>-glucan (BG) was extracted from different colored varieties of highland barley (HB, <i>Hordeum vulgare</i>), defined as BBG, WBG, and LBG depending on the colors of black, white, and blue and their molecular structure and physicochemical properties were investigated through a series of technical methods. …”
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CONTACT STRESS DISTRIBUTION UNDER CIRCULAR PLATE ON A SOFT LAYER
Published 2013-09-01“…Cases when half-space layer properties differ significantly are considered. For these cases, kernel transform approximates of the high-accuracy problem integral equation are constructed. …”
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Nutritional profiling, phytochemical screening, cytotoxicity, and antioxidant content analysis for different crude extracts of Ulva lactuca from coast of Bangladesh
Published 2024-12-01“…Phytochemical screening, Fourier transform infrared (FT-IR) and High-performance liquid chromatography (HPLC) analysis confirmed the presence of different secondary metabolites, functional groups and polyphenols. …”
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