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列车运行噪声等效频率是铁路噪声治理必需的重要参数,其数值与列车运行速度密切相关。目前,旅客列车运行速度已平均达到120 km/h以上,根据大量实测数据及理论计算,给出时速120 km以上快速列车运行噪声的等效频率。
The equivalent frequency of train running noise is an important parameter necessary for railway noise management. Its value is closely related to the running speed of train. At present, the running speed of passenger trains has reached an average of 120 km / h. Based on a large amount of measured data and theoretical calculations, the equivalent frequency of the running noise of fast trains above 120 km per hour is given.