| 双维谱原理及其应用 |
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| 引用本文： | 万德安,徐炳楠.双维谱原理及其应用[J].同济大学学报(自然科学版),1990,18(3):347-354. |
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| 作者姓名： | 万德安 徐炳楠 |
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| 作者单位： | 同济大学机械工程系，同济大学机械工程系，同济大学机械工程系 |
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| 摘 要： |
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| 关 键 词： | 双维谱 设备 噪声 诊断 随机信号 |
The Principle and Application of Bispectrum |
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| Wan Dean Xu Bingnan Guo Dajin.The Principle and Application of Bispectrum[J].Journal of Tongji University(Natural Science),1990,18(3):347-354. |
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| Authors: | Wan Dean Xu Bingnan Guo Dajin |
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| Institution: | Department of Mechanical Engineering |
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| Abstract: | In this paper, we propose a bispectral analysis method for studying the non-Gauss distributed random signals. The principle of this method is discussed systematically and the program for computation of bispectra is finished by using a microcomputer. The results of computer simulation analyses show that the bispectral analysis method is effective to detect even such a delicate abnormality of machine system that appears only as the change of the relative phase among frequency components and it can also suppress the corrupty additive Gaussian noise. |
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| Keywords: | Random signal analysis Fault diagnosis Bispectrum |
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