BISPECTRUM

作品数：28被引量：57H指数：4
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相关领域：电子电信更多>>
相关作者：王飞王海军许飞云刘一飞赵东海更多>>
相关机构：东南大学华东师范大学中国科学技术大学天津大学更多>>
相关期刊：《Science China Chemistry》《Chinese Journal of Acoustics》《Journal of Biomedical Science and Engineering》《Chinese Journal of Electronics》更多>>
相关基金：国家自然科学基金国家高技术研究发展计划上海市青年科技启明星计划更多>>
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Acoustics Based Monitoring and Diagnostics for the Progressive Deterioration of Helical Gearboxes被引量：1
《Chinese Journal of Mechanical Engineering》2021年第4期98-109,共12页Kaibo Lu James Xi Gu Hongwei Fan Xiuquan Sun Bing Li Fengshou Gu 
Supported by Shaanxi Key Laboratory of Mine Electromechanical Equipment Intelligent Monitoring,Xi’an University of Science and Technology(Grant No.SKL-MEEIM201904);National Natural Science Foundation of China(Grant Nos.51805352,51605380).
Gearbox condition monitoring(CM)plays a significant role in ensuring the operational reliability and efficiency of a wide range of critical industrial systems such as wind turbines and helicopters.Accurate and timely ...
关键词：ACOUSTICS Modulation Signal Bispectrum Helical gearbox Gear wear 
Fault Feature Extraction of Diesel Engine Based on Bispectrum Image Fractal Dimension被引量：1
《Chinese Journal of Mechanical Engineering》2018年第2期216-226,共11页Jian Zhang Chang-Wen Liu Feng-Rong Bi Xiao-Bo Bi Xiao Yang 
Supported by National Science and Technology Support Program of China(Grant No.2015BAF07B04)
Fault feature extraction has a positive effect on accurate diagnosis of diesel engine. Currently, studies of fault feature extraction have focused on the time domain or the frequency domain of signals. However, early ...
关键词：Engine fault diagnosis Bispectrum image processing FRACTAL Signal processing 
Bispectrum Feature Extraction of Gearbox Faults Based on Nonnegative Tucker3 Decomposition with 3D Calculations被引量：2
《Chinese Journal of Mechanical Engineering》2013年第6期1182-1193,共12页WANG Haijun XU Feiyun ZHAO Jun’ai JIA Minping HU Jianzhong HUANG Peng 
supported by National Natural Science Foundation of China(Grant Nos.50875048,51175079,51075069)
Nonnegative Tucker3 decomposition（NTD） has attracted lots of attentions for its good performance in 3D data array analysis. However, further research is still necessary to solve the problems of overfitting and slow ...
关键词：nonnegative tucker3 decomposition Tucker-product convolution power spectrum density updating algorithm 
GEAR CRACK EARLY DIAGNOSIS USING BISPECTRUM DIAGONAL SLICE被引量：4
《Chinese Journal of Mechanical Engineering》2003年第2期193-196,共4页Li WeihuaZhang GuicaiShi TielinYang ShuziSchool of Mechanical Scienceand Engineering,Huazhong University of Scienceand Technology,Wuhan 430074, China 
This project is supported by 95 Pan Deng Program of China (No.PD952l908); National Key Basic Research Special Foundation of China (No.Gl998020320);Provincial Natural Science Foundation of Hubei, China (No.2000J125)
A study of bispectral analysis in gearbox condition monitoring is presented.The theory of bispectrum and quadratic phase coupling (QPC) is first introduced, and then equationsfor computing bispectrum slices are obtain...
关键词：condition monitoring gear crack early diagnosis quadratic phase coupling bispectrum diagonal slice 
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