| 路面不平度的时频小波分析 |
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| 引用本文： | 曲守平,张立军.路面不平度的时频小波分析[J].长春大学学报,1999,9(1):5-8. |
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| 作者姓名： | 曲守平 张立军 |
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| 作者单位： | [1]长春大学机械学院,长春 [2]辽宁工学院,锦州 |
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| 摘 要： | 本文在路面不平度数值模拟基础上利用离散二进小波变换对路面不平度进行了多层小波时域分析、统计分析和频域分析，得到了路面不平度较为深入的结果。本文为车辆动力响应分析、零部件疲劳试验及整车可靠性试验提供参考。
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| 关 键 词： | 路面不平度 小波时域分析 小波频谱分析 汽车 |
Time Frequency Wavelet Analysis of Road Roughness |
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| Qu Shouping Mechanical Engineering College,Changchun University,Changchun Zhang Lijun Liaoning Institute of Technology Jinzhou.Time Frequency Wavelet Analysis of Road Roughness[J].Journal of Changchun University,1999,9(1):5-8. |
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| Authors: | Qu Shouping Mechanical Engineering College Changchun University Changchun Zhang Lijun Liaoning Institute of Technology Jinzhou |
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| Institution: | Qu Shouping Mechanical Engineering College,Changchun University,Changchun 130022 Zhang Lijun Liaoning Institute of Technology Jinzhou 121000 |
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| Abstract: | The paper deals with the analysis of road roughness about time domain,statistics and spectrum by means of the discrete dyadic wavelets based on the numberical simulation of road roughness,arrives at the detail results,and puts forward some important references to vehicle dynamic analysis,fatigue test and reliability test. |
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| Keywords: | road roughness wavelet analysis timefrequency |
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