| 城市公交车定置噪声测试与特征分析 |
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| 引用本文： | 肖伟民,李林凌,刘磊,张斌. 城市公交车定置噪声测试与特征分析[J]. 中国环境监测, 2012, 28(4): 85-88 |
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| 作者姓名： | 肖伟民 李林凌 刘磊 张斌 |
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| 作者单位： | 北京市劳动保护科学研究所国家环境保护城市噪声与振动控制工程技术中心, 北京 100054;中国空间技术研究院, 北京 100086;北京市劳动保护科学研究所国家环境保护城市噪声与振动控制工程技术中心, 北京 100054;北京市劳动保护科学研究所国家环境保护城市噪声与振动控制工程技术中心, 北京 100054 |
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| 基金项目： | 北京市科技计划重大项目"北京道路交通噪声综合防治研究"(D10110904750000) |
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| 摘 要： | 对北京市典型类别公交车的噪声污染水平及排放特征进行了测试和研究。研究和统计结果表明,北京城市在用公交车的定置噪声排放水平总体处于90～103 dB(A),其A计权频域特征以人耳敏感的中高频噪声为主,对城市居民的环境影响较大,是目前城市内需要重点关注的噪声污染源。相关数据将为交通和环保部门有针对性地提出噪声控制措施和制订相关法规提供有效支撑。
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| 关 键 词： | 城市公交车 噪声排放水平 定置噪声 频域特征分析 |
| 收稿时间： | 2011-01-05 |
| 修稿时间： | 2011-03-30 |
Measurement and Characteristics Analysis of Noise Emitted by Stationary Road City Bus |
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| XIAO Wei-min,LI Lin-ling,LIU Lei. Measurement and Characteristics Analysis of Noise Emitted by Stationary Road City Bus[J]. Environmental Monitoring in China, 2012, 28(4): 85-88 |
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| Authors: | XIAO Wei-min LI Lin-ling LIU Lei |
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| Affiliation: | Beijing Municipal Institute of Labor Protection-State Environment Protection Engineering for City Noise and Vibration Control, Beijing 100054, China;China Acdemy of Space Technology, Beijing 100086, China;Beijing Municipal Institute of Labor Protection-State Environment Protection Engineering for City Noise and Vibration Control, Beijing 100054, China;Beijing Municipal Institute of Labor Protection-State Environment Protection Engineering for City Noise and Vibration Control, Beijing 100054, China |
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| Abstract: | The noise characteristics and levels of the representative city buses in Beijing were investigated. The results show that the average level of the noise emitted by the stationary city bus is between 90 and 103 dB (A). The feature analysis of frequency domain on the city bus demonstrates that the bus mainly emits a medium- and high-frequency noise, which influences the people's life and makes the city bus a focus of attention. The results of this work can give the environment management and legislation a strong support. |
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| Keywords: | City Bus Noise level Noise emitted by the stationary bus Feature analysis of frequency domain |
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