This paper discussed some key issues of environmental impact analysis of traffic noise due to the small development area.
文章探讨了开发小区交通运输噪声环境影响分析中对车流量预测和噪声预测的几种技术方法。
Base on the analysis of the features of light rail transportation, the environmental impact of the noise produced by Changchun light rail transportation was assessed systematically in this paper.
在分析轻轨交通特点基础上，对长春轻轨交通噪声环境影响进行了系统评价。
The paper mainly demonstrates the principles of the noise power pedigrees dispose and radiated noise areas impact in partial coherence analysis.
本文主要分析偏相干分析中噪声信号功率谱的处理及声源辐射面积的大小对相干分析结果的影响这两个问题。
Through frequency analysis, it has been found that the noise was generated by the continual impact between components.
通过噪声的频率特性分析，进一步明确了该配气机构噪声产生机理。
Through frequency analysis, it has been found that the noise was generated by the continual impact between components.
通过噪声的频率特性分析，进一步明确了该配气机构噪声产生机理。
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