机械工程 |
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旋转机械振动信号的固有模式函数降噪方法 |
熊炘, 杨世锡, 周晓峰 |
浙江大学 机械工程学系,浙江 杭州 310027 |
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IMF-based denoising method for vibration signal in rotating machinery |
XIONG Xin, YANG Shi-xi, ZHOU Xiao-feng |
Department of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China |
[1] 焦卫东,杨世锡,钱苏翔,等.乘性噪声消除的同态变换盲源分离算法[J].浙江大学学报:工学版,2006,40(4): 581-584. JIAO Weidong, YANG Shixi, QIAN Suxiang, et al. Homomorphic transform based BSS algorithm for multiplicative noise reduction [J]. Journal of Zhejiang University: Engineering Science, 2006, 40(4): 581-584. [2] DIPIETROPAOLO D, MLLER H P, TEDESCHI W, et al. Noise reduction in CHD patients by means of BSS [J]. International Congress Series, 2007, 1300: 217-220. [3] 彭志科,卢文秀,褚福磊.新的基于小波变换的振动信号消噪方法[J].机械工程学报,2006,42(4):18-22. PENG Zhike, LU Wenxiu, CHU Fulei. Novel wavelet based method for vibration signal noise cancellation [J]. Journal of mechanical engineering, 2006, 42(4): 18-22. [4] 庞茂,周晓军,胡宏伟,等.基于解析小波变换的奇异性检测和特征提取[J].浙江大学学报:工学版,2006,40(11): 1994-1997. PANG Mao, ZHOU Xiaojun, HU Hongwei, et al. Singularity detection and feature extraction based on analytic wavelet transform [J]. Journal of Zhejiang University: Engineering Science, 2006, 40(11): 1994-1997. [5] WU Z H, Huang N E. A study of the characteristics of white noise using the empirical mode decomposition method [C]∥ Proceedings of the Royal Society. London: A, Royal Society Publishing, 2004, 460: 1597-1611. [6] 曹冲锋,杨世锡,杨将新.基于白噪声统计特性的振动模式提取方法[J].机械工程学报,2010,46(3): 65-70. CAO Chongfeng, YANG Shixi, YANG Jiangxin. Vibration mode extraction method based on the characteristics of white noise [J]. Journal of Mechanical Engineering, 2010, 46(3): 65-70. [7] KOPSINIS Y, MCLAUGHLIN S. Development of EMDbased denoising methods inspired by wavelet thresholding [J]. Signal Processing, 2009, 57(4): 1351-1362. [8] 曹冲锋.基于EMD的机械振动分析与诊断方法研究[D].杭州:浙江大学,2009: 70-78. CAO Chongfeng. Study on mechanical vibration analysis and diagnosis methods based on empirical mode decomposition [D]. Hangzhou: Zhejiang University, 2009: 70-78. [9] HUANG N E, SHEN Z, STEVEN R L, et al. The empirical mode decomposition and the Hilbert spectrum for nonlinear and nonstationary time series analysis [C]∥ Proceedings of the Royal Society. London. A, Royal Society Publishing, 1998, 454(1971): 903-995. [10] FLANDRIN P, RILLING G, GONALVS P. Empirical mode decomposition as a filter bank [J]. Signal Processing Letters, IEEE, 2004, 11(2): 112-114. [11] 屈梁生.机械故障的全息诊断原理[M].北京:科学出版社,2007: 176-177. |
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