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检索条件"主题词=EMD method"
28 条 记 录,以下是1-10 订阅
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Research on the intrinsic mode function (IMF) criterion in emd method
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MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2006年 第4期20卷 817-822页
作者: Cheng, JS Yu, DJ Yang, Y Hunan Univ Coll Mech & Automot Engn Changsha 410082 Peoples R China
Empirical mode decomposition (emd) is a self-adaptive signal-processing method, which has been applied in nonstationary signal-processing successfully. Aiming at the problem of intrinsic mode function (IMF) criterion ... 详细信息
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Application of emd method to friction signal processing
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MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2008年 第1期22卷 248-259页
作者: Guo, Kejian Zhang, Xingang Li, Hongguang Meng, Guang Shanghai Jiao Tong Univ State Key Lab Mech Syst & Vibrat Shanghai 200240 Peoples R China
Due to measurement limitation, the measured friction signal often contains noise and other force components such as elastic forces. Traditional Fourier-based analysis methods are not suitable to process nonlinear and ... 详细信息
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A fault diagnosis approach for roller bearings based on emd method and AR model
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MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2006年 第2期20卷 350-362页
作者: Cheng, JS Yu, DJ Yang, Y Hunan Univ Coll Mech & Automot Engn Changsha 410082 Peoples R China
The main purpose of this paper is to propose a new fault feature extraction approach based on empirical mode decomposition (emd) method and autoregressive (AR) model for roller bearings. AR model is an effective appro... 详细信息
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Improving the measurement accuracy of an absolute imaging position encoder via a new edge detection method
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IET SCIENCE MEASUREMENT & TECHNOLOGY 2017年 第4期11卷 406-413页
作者: Cai, Nian Xiao, Pan Ye, Qian Wang, Han Chen, Xindu Ling, Bingo Wing-Kuen Guangdong Univ Technol Sch Informat Engn Guangzhou 510006 Guangdong Peoples R China Guangdong Univ Technol Sch Electromech Engn Guangzhou 510006 Guangdong Peoples R China
To improve the measurement accuracy of an absolute imaging position encoder, a novel edge detection method is developed to accurately detect the edges of grating lines based on empirical mode decomposition (emd). Firs... 详细信息
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Scale analysis of pre- and post-midnight ESF bubbles at storm time and quiet time
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ADVANCES IN SPACE RESEARCH 2008年 第7期42卷 1202-1212页
作者: Chen, K. Y. Su, S. Y. Yeh, H. C. Liu, C. H. Huafan Univ Dept Elect Engn Taipei Hsien Taiwan Natl Cent Univ Inst Space Sci Chungli 32054 Taiwan Acad Sinica Taipei 115 Taiwan
This paper adopts a scale analysis technique to investigate the properties of intermediate-scale plasma structures observed by ROC-SAT-I in the equatorial F-region. A procedure of scale analysis that is developed via ... 详细信息
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Realising the decomposition of a multi-frequency signal under the coloured noise background by the adaptive stochastic resonance in the non-linear system with periodic potential
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IET SIGNAL PROCESSING 2018年 第7期12卷 930-936页
作者: Huang, Xiaogang Zhang, Jingling Lv, Meilei Shen, Gang Yang, Jianhua Shanghai Maritime Univ Dept Elect Automat Shanghai 201306 Peoples R China Quzhou Univ Coll Elect & Informat Engn Quzhou 324000 Peoples R China China Univ Min & Technol Sch Mechatron Engn Xuzhou 221116 Jiangsu Peoples R China Univ Michigan Dept Mech Engn Ann Arbor MI 48109 USA
The authors investigate a multi-frequency signal which is decomposed failure by the traditional empirical mode decomposition (emd) method. Moreover, the multi-frequency signal submerged in the coloured noise increases... 详细信息
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Internal wave parameter inversion based on Empirical Mode Decomposition
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The Journal of China Universities of Posts and Telecommunications 2014年 第6期21卷 87-93页
作者: XU Xiao-ge WANG Jing-tao MENG Xiang-hua WEN Xiao-yong School of Information Beijing Wuzi University School of Applied Science Beijing Information Science and Technology University Information Security Center State Key Laboratory of Networking and Switching Technology Beijing University of Posts and Telecommunications
Wind, the result of earth rotation and other processes,inaugurate the phenomenon of oceanic internal waves(OIWs), including driving turbulence, affecting nutrient and biomass distribution, and resuspending sediment.... 详细信息
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Characterisation of turbulence at sites with coexisting waves and currents: An analysis by empirical mode decomposition
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OCEAN ENGINEERING 2024年 313卷
作者: Tan, Tian Venugopal, Vengatesan Univ Edinburgh Inst Energy Syst Sch Engn Kings BldgColin Maclaurin Rd Edinburgh EH9 3DW Scotland
This paper presents a novel side information assisted Empirical Mode Decomposition (emd) method for separating wave orbital velocity from a combined wave-tidal current velocity data, measured by three different Acoust... 详细信息
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Local rub-impact fault diagnosis of the rotor systems based on emd
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MECHANISM AND MACHINE THEORY 2009年 第4期44卷 784-791页
作者: Cheng, Junsheng Yu, Dejie Tang, Jiashi Yang, Yu Hunan Univ State Key Lab Adv Design & Mfg Vehicle Body Changsha 410082 Hunan Peoples R China Hunan Univ Coll Mech & Aerosp Changsha 410082 Hunan Peoples R China
Aiming at the characteristics of the vibration signal of a rotor system with local rub-impact fault, a local rub-impact fault diagnosis method of rotor system based on emd (empirical mode decomposition) is proposed in... 详细信息
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Multiple scale analysis of complex networks using the empirical mode decomposition method
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PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS 2008年 第12期387卷 2981-2986页
作者: Li, KePing Gao, ZiYou Zhao, XiaoMei Beijing Jiaotong Univ State Key Lab Rail Traff Control & Safety Beijing 100044 Peoples R China
Empirical mode decomposition (emd) method can decompose any complicated data into finite 'intrinsic mode functions' (IMFs). In this paper, we use emd method to analyze and discuss the structural properties of ... 详细信息
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