| 应用动态声全息方法识别轿车的行驶噪声源 |
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| 引用本文： | 罗禹贡,杨殿阁,郑四发,李克强,连小珉.应用动态声全息方法识别轿车的行驶噪声源[J].汽车工程,2003,25(6):595-598. |
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| 作者姓名： | 罗禹贡 杨殿阁 郑四发 李克强 连小珉 |
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| 作者单位： | 清华大学,汽车安全与节能国家重点实验室,北京,100084 |
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| 基金项目： | 国家自然科学基金资助 (5 9775 0 2 0 ) |
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| 摘 要： | 应用动态声全息方法对运动轿车在不同车速下的辐射噪声场进行了分析，得到了试验轿车在不同车速、不同频率下的车外表面声场分布，准确识别出了相应工况下的主要噪声源。
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| 关 键 词： | 动态声全息方法 轿车 噪声源 识别 辐射 噪声场 |
Noise Source Identification for a Moving Car by Using Dynamic Acoustic Holography |
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| Luo Yugong,Yang Diange,Zheng Sifa,Li Keqiang & Lian Xiaomin Tsinghua University,State Key Laboratory of Automotive Safety and Energy,Beijing.Noise Source Identification for a Moving Car by Using Dynamic Acoustic Holography[J].Automotive Engineering,2003,25(6):595-598. |
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| Authors: | Luo Yugong Yang Diange Zheng Sifa Li Keqiang & Lian Xiaomin Tsinghua University State Key Laboratory of Automotive Safety and Energy Beijing |
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| Institution: | Luo Yugong,Yang Diange,Zheng Sifa,Li Keqiang & Lian Xiaomin Tsinghua University,State Key Laboratory of Automotive Safety and Energy,Beijing 100084 |
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| Abstract: | Using dynamic acoustic holography,the radiated noise field of a moving car at different speed is analyzed in this paper.The sound field distribution of the car surface at various speeds is obtained and is used to identify the main noise sources of the car under corresponding working conditions. |
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| Keywords: | Car Dynamic acoustic holography Noise source identification |
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