Results 41 to 50 of about 351,760 (158)
Rotating Machinery Vibration Signal Processing And Fault Diagnosis Based on LMD
MATEC Web of Conferences, 2016 There are abundant of fault information in rotating machinery vibration signal. On account of the nonlinearity and non-stationarity, the paper first does pre-process to the vibration signal using wavelet threshold denoising method and this method can ...
Bo Ruirui, Zhang Ze
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SensorsSeismic wave analysis is crucial for identifying subsurface formations and geological hazards. In this study, a seismic wave laser remote sensing system based on a Shack–Hartmann wavefront sensor was established by exploiting its high spatial resolution,
Donghua Zhou +6 more
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Edge-type connectors evaluated by electrical noise measurement [PDF]
, 1967 Electrical noise measurement system measures noise generated by edge-type connectors and circuit cards when they are subjected to sinusoidal vibration. It provides a signal across the contact area and monitors the signal change during vibration.
Brummett, S. L.
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Study of Point Scanning Detection Mechanisms for Vibration Signals with Wavefront Sensors
PhotonicsSeismic wave laser remote sensing is extensively employed in seismic monitoring and resource exploitation. This work establishes a vibration signal point scanning detection system utilizing wavefront sensors, leveraging their high resolution, array ...
Quan Luo +7 more
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SAR-Based Vibration Estimation Using the Discrete Fractional Fourier Transform [PDF]
, 2012 A vibration estimation method for synthetic aperture radar (SAR) is presented based on a novel application of the discrete fractional Fourier transform (DFRFT).
Atwood, Tom +8 more
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Diagnosis of Combination Faults in a Planetary Gearbox using a Modulation Signal Bispectrum based Sideband Estimator [PDF]
, 2015 This paper presents a novel method for diagnosing combination faults in planetary gearboxes. Vibration signals measured on the gearbox housing exhibit complicated characteristics because of multiple modulations of concurrent excitation sources, signal ...
Abdallaa, Gaballa M. +5 more
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A Hybrid Gearbox Fault Diagnosis Method Based on GWO-VMD and DE-KELM
Applied Sciences, 2021 In this paper, a vibration signal-based hybrid diagnostic method, including vibration signal adaptive decomposition, vibration signal reconstruction, fault feature extraction, and gearbox fault classification, is proposed to realize fault diagnosis of ...
Gang Yao +3 more
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Multivariate statistical analysis for damage and delamination in composite structures [PDF]
, 2013 The article is devoted to the analysis of the vibration response of composite laminates .Our aim is to develop a method for analysis of the vibration response of structures made of composites which will also be used to develop a vibration-based health ...
Garcia, David, Trendafilova, Irina
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Tactile modulation of emotional speech samples [PDF]
, 2012 Copyright © 2012 Katri Salminen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly ...
Ahmaniemi, Teemu +7 more
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A new mechanical structural damage feature index based on HHT [PDF]
, 2018 A new damage feature index is presented for the structural health monitoring based on Hilbert-Huang transform (HHT). The energy marginal spectrum of the dynamic signal is used to construct damage characteristic parameter, which can reflect the signal ...
Hua, Lin, Wang, Fusheng, Yue, Zhufeng
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