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481
Research on the Estimation Model of Electrical Parameters of Silver-Based Contacts Based on Surface Morphology
Published 2025-01-01“…Various original profile signals such as surface roughness, waviness, and surface form error are calculated using wavelet transformation, and a robust weight function is introduced to separate micro-textural features from macro-textural features. …”
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482
Identifying and Evaluating Chaotic Behavior in Hydro-Meteorological Processes
Published 2015-01-01“…The time series in the period of approximately one year were extracted from the original series using the wavelet transform. The generated time series from summation of sine functions were fitted to each series and used for investigating the hypotheses. …”
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483
A Flexible UHF RFID Respiratory Sensor
Published 2025-01-01“…The RSSI data collected from the RFID tag readings were processed using the Daubechies wavelet of order 5 (db5) with three levels of signal decomposition, resulting in signals with reduced noise. …”
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484
Computational aerodynamics of insect flight using volume penalization
Published 2022-11-01“…Two open source codes, one based on Fourier, the other based on wavelet representation, are succinctly presented and a mass-spring flexible wing model is described. …”
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485
A bivariate multifractal analysis approach to understanding socio-spatial segregation dynamics
Published 2025-02-01“…In this context, the proposed approach, which uses wavelet leaders for multifractal analysis of irregular point processes, estimates self-similarity and intermittency exponents as well as self-similar and multifractal cross-correlation by combining classical multifractal and geographic analysis methods. …”
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486
Climate Change and Fruit-Picking Tourism: Impact and Adaptation
Published 2016-01-01“…In this paper, phenological data on the FMD for 45 types of plants in 1980–2012, dates for more than 200 fruit-picking festivals, and data on monthly average air temperature in 1980–2013 were used to assess the impact of CC on FPTA by wavelet and correlation analyses. The findings indicated that the study area had been significantly affected by CC. …”
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487
Dynamic Response and Its Frequency Domain Characteristics of Lateritic Soil Subgrade under Traffic Load during Construction
Published 2020-01-01“…The distribution law of the dynamic response and its frequency domain characteristics obtained by wavelet analysis emerged. The vibration of the subgrade is clearly aggravated by the increase of speed and load. …”
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488
The Hybrid KICA-GDA-LSSVM Method Research on Rolling Bearing Fault Feature Extraction and Classification
Published 2015-01-01“…A new method named sensitive subband feature set design (SSFD) based on wavelet packet is also presented; using proposed variance differential spectrum method, the sensitive subbands are selected. …”
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489
A Hybrid Process Monitoring and Fault Diagnosis Approach for Chemical Plants
Published 2015-01-01“…Based on hazard and operability (HAZOP) analysis, kernel principal component analysis (KPCA), wavelet neural network (WNN), and fault tree analysis (FTA), a hybrid process monitoring and fault diagnosis approach is proposed in this study. …”
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490
Market Power, NAIRU, and the Phillips Curve
Published 2020-01-01“…We find weak evidence supporting the NAIRU theory from the simplistic model, but stronger evidence using BVAR. A wavelet analysis reveals that the short-run NAIRU theory and Phillips curve relationships may be time-dependent, while the long-run relationships are essentially vertical, suggesting instead that each relationship is primarily observed over the medium-term (2-10 years), though the economically significant medium-term region has narrowed in recent decades to roughly 4-7 years. …”
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491
Digital Rebirth of Dongba Pattern: An Improved Active Contour Model for Pattern Contour Extraction
Published 2025-01-01“…The improved active contour method adds discrete wavelet transform for energy minimization. Moreover, the minimization formula assigns greater weight to foreground pixels. …”
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492
Graph-Based Analysis of RNA Secondary Structure Similarity Comparison
Published 2021-01-01“…A combinational method involving a discrete wavelet transform (DWT) and fractal dimension with sliding window is introduced to analyze and compare the graphs derived from feature extraction; after that, the distance matrix is generated. …”
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493
Fault Diagnosis of Subway Traction Motor Bearing Based on Information Fusion under Variable Working Conditions
Published 2021-01-01“…Then, the original signal is processed and extracted by the wavelet packet decomposition, and the normalized feature information is fused by the convolution neural network. …”
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494
Research on Coal-Rock Fracture Image Edge Detection Based on Tikhonov Regularization and Fractional Order Differential Operator
Published 2019-01-01“…In addition, the proposed method is compared with Canny algorithm, B-spline wavelet transform, and multidirection fuzzy morphological edge detection method, can detect more coal-rock fracture infrared image edge details, and is more robust to noise.…”
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495
Spatial and Temporal Variability of Sea Surface Temperature in Eastern Marginal Seas of China
Published 2016-01-01“…In order to investigate the interannual variation of SST, the EMSC SST interannual index was constructed. Based on wavelet analysis, a significant peak around 3.3 years was found in the EMSC SST interannual index. …”
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496
Diagnosis experience of traction engines of locomotives
Published 2019-03-01“…Authors propose a method and algorithms for the rapid diagnosis of locomotives traction engines based on duplication of main frequency channel by additional wavelet analysis and decision — making on the methodology of fuzzy logic. …”
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497
Blind Source Parameters for Performance Evaluation of Despeckling Filters
Published 2016-01-01“…The SMPI is three times more effective compared to the wavelet based generalized likelihood estimation approach. …”
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498
Shockwave-Based Automated Vehicle Longitudinal Control Algorithm for Nonrecurrent Congestion Mitigation
Published 2017-01-01“…In the advent of Connected/Automated Vehicle (C/AV) environment, the proposed algorithm can be applied to capture instantaneous shockwaves constructed from vehicular speed profiles shared by individual equipped vehicles. With a continuous wavelet transform (CWT) method, the algorithm detects abnormal speed drops in real-time and optimizes speed to prevent the shockwave propagating to the upstream traffic. …”
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499
Exploring the role of ICT adoption technologies and renewable energy consumption in achieving a sustainable environment in the United States: an SDGs-based policy framework
Published 2025-01-01“…This study, therefore, investigates the key drivers of CO2 emissions (CO2) in the United States using data from 1990Q1 to 2021Q4. The study employs wavelet quantile-on-quantile regression along with quantile cointegration to analyze these dynamics across different quantiles and timeframes. …”
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500
Maximum Entropy Threshold Segmentation for Target Matching Using Speeded-Up Robust Features
Published 2014-01-01“…Third, from the 2D Haar wavelet responses, we generate the 64-dimensional (64D) feature point descriptor vectors. …”
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