| 轧辊偏心信号的时频域识别 |
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| 引用本文： | 杜京义,赵志国. 轧辊偏心信号的时频域识别[J]. 重型机械, 2005, 0(3): 39-41 |
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| 作者姓名： | 杜京义 赵志国 |
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| 作者单位： | 1. 西安科技大学,陕西,西安,710054
2. 莱芜钢铁股份有限公司,山东,莱芜,271104 |
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| 摘 要： | 本文介绍了基于小波变换的信号多分辨率分解,并对轧辊偏心信号进行时频域识别,采用该方法可以实现时域定位和提取特征频率.
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| 关 键 词： | 小波变换 时频域识别 多分辨率 偏心信号 |
| 文章编号： | 1001-196X(2005)03-0039-03 |
| 修稿时间： | 2005-02-11 |
Time-frequency recognition of roll eccentricity |
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| DU Jing-yi,ZHAO Zhi-guo. Time-frequency recognition of roll eccentricity[J]. Heavy Machinery, 2005, 0(3): 39-41 |
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| Authors: | DU Jing-yi ZHAO Zhi-guo |
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| Abstract: | This paper introduces a multi-resolution decomposition of signals based on their wavelet transform.The roll eccentricity is identified in time-frequency recognition.The testing signal has good localization property both in time and in frequency domains. |
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| Keywords: | wavelet transform time-frequency recognition multi-resolution roll eccentricity |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
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