【摘要】 对电传内燃机车水阻试验进行了线性声功率级、指向特性、频谱特性和距离衰减等方面的噪声测量试验，所得到的一些分析数据对目前路内开展的水阻噪声治理工作有一定的参考意义。更多还原

【Abstract】 We have measured the linear sound intensity level,directive property. frequency spectrum character and distance attenuation of noise from electric locomotive loading test.Some analytical data obtained are of a certain referential significance for treating the noise in Railwal Industry.更多还原