| Moore响度在车内噪声分析中的应用 |
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| 引用本文： | 徐中明,周小林,张芳,贺岩松,李传兵,.Moore响度在车内噪声分析中的应用[J].振动与冲击,2013,32(1):169-173. |
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| 作者姓名： | 徐中明 周小林 张芳 贺岩松 李传兵 |
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| 作者单位： | 1.重庆大学机械传动国家重点实验室，重庆 400030; 2.汽车噪声振动和安全技术国家重点实验室，重庆 400039；3.重庆长安汽车有限公司，重庆 400023 |
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| 基金项目： | 国家自然科学基金(50975296);汽车噪声振动和安全技术国家重点实验室开放基金(NVHSKL-201010)联合资助 |
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| 摘 要： | 针对某客车变速器异响噪声的非稳态特性，在ANSI_S3.4 2005标准基础上建立了Moore瞬时响度模型，并引入目前主流声学软件采用的Zwicker响度模型进行对比验证，最后将瞬时响度模型应用于车内噪声信号的识别及其定量评价。结果表明：Moore响度模型计算精度及其瞬时特征响度谱能量分布的清晰度均比Zwicker模型的结果更高，采用Moore瞬时响度有助于非稳态过程中的噪声源识别及噪声机理分析，用Moore响度来定量评价噪声具有可行性。
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| 关 键 词： | 响度 汽车 噪声识别 定量评价 |
| 收稿时间： | 2011-11-16 |
| 修稿时间： | 2011-12-21 |
Application of moore loudness in a vehicle interior noise analysis |
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| XU Zhong-ming,ZHOU Xiao-lin,ZHANG Fang,HE Yan-song,LI Chuan-bing.Application of moore loudness in a vehicle interior noise analysis[J].Journal of Vibration and Shock,2013,32(1):169-173. |
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| Authors: | XU Zhong-ming ZHOU Xiao-lin ZHANG Fang HE Yan-song LI Chuan-bing |
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| Affiliation: | 1. State Key Lab of Mechanical Transmissions, Chongqing University, Chongqing 400030, China; 2. State Key Lab of Vehicle NVH and Safety Technology, Chongqing 400039, China; 3.Chongqing Changan Automobile Ltd. Company, Chongqing 400023,China |
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| Abstract: | To analysis the abnormal noise with unsteady characteristics in bus transmission, the Moore instantaneous loudness model was established based on ANSI_S3.4 2005, and cited the Zwicker loudness model for validation contrast, then the instantaneous loudness model was applied to the noise identification and its quantitative evaluation. The results show that the calculation accuracy and instantaneous specific loudness of Moore’s model are better than Zwicker’s, the Moore instantaneous loudness model is helpful to noise source identification and mechanism analysis in unsteady noise, and it’s feasible to use Moore loudness in noise quantitative evaluation. |
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| Keywords: | Loudness Vehicle Noise Identification Quantitative Evaluation |
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