total noise meaning in Chinese

总噪声

Tnl : total noise level
总噪声级
The equation of noise reduction due to the absorption will be deduced and added to the total noise reduction
探讨屏障的吸声性能对绕射降噪量的贡献，并推导出与吸声系数有关的绕射降噪量的公式。
We also proposed a reformed surface speed method based on the problems of surface speed method in engineering application . this method can make sure the structure radiant sound status in total noise and the detail phonate part quickly and correctly
根据表面速度法在工程应用中存在的问题提出了频带声压级差值法，该方法能快速准确地确定结构声在总噪声中的地位和结构的具体发声部位。
The traffic noise of a new traffic source - combined overhead road was measuered , and the noise distribution under varied road conditions and different surroundings was compared , anlyzed and discussed . the noise model of overhead road , which with special section such as slope was put forwarded , based on the basic overhead noise model by considering the effects of the special section on the total noise level and distribution
比较分析了不同路况下及周围环境下的噪声分布情况，在水平段高架复合道路噪声的竖直分布模型的基础上，考虑上下坡段对两侧建筑物噪声分布的影响，建立了特殊路况下高架复合道路噪声的竖直分布模型，预测值与实测值基本符合。