文章摘要 关键词 声学； 城市噪声污染； 交通噪声； FHWA模型； 模糊聚类[gap=1060]Key words acoustics ; urban noise pollution ; road traffic noise ; FHWA model ; fuzzy clustering
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FHWA prediction model FHWA预测模型
The experiment results proved the algorithm achieves good performance, provided accurate traffic volume data for the FHWA model.
从实验结果可以看出，算法达到了很好的效果，为FHWA模型提供了准确的车流量数据。
Now the FHWA model used in traffic noise prediction get the number and type of vehicles by artificial way, the labor cost is high and the statistical value often not very accuracy.
目前交通噪声预测使用的FHWA模型在实际应用以人工方式来统计通过的车辆数和车型，人工成本高，统计值容易产生偏差。
Highway traffic noise prediction model is deduced and analyzed. It is indicated that the FHWA model originating from USA Federal Highway Administration is an approximate representation.
对公路交通噪声预测模型进行了分析推导，指出美国联邦公路局FHWA模型为近似表达式，并给出了精确表达式。
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