Second, developing the sound transmission loss measuring system.
第二，声学材料隔声量测量系统的构建及测量。
Active noise control technology has recently been used to increase the sound transmission loss of double wall structures.
噪声主动控制技术目前已用增加双隔板结构对声音进行衰减。
Through testing on muffler on a certain motor, the paper evaluates the static performance of sound transmission loss of the muffler.
通过对某种发动机使用的消声器进行测试，对消声器的静态传声损失性能作出评价。
The position of minimum values on the sound transmission loss curve varies with the changes made on plate thickness and the moment of inertia of stiffeners.
板厚或肋骨惯性矩的变化会引起结构传声损失曲线上隔声低谷位置的变化；
In this paper, a model of statistical energy analysis is used to study sound transmission loss of the aircraft cabin, and predict the sound field in the cabin.
文章建立了飞机壁板隔声的统计能量分析模型，研究了外部声场激励和振动激励通过飞机壁板的隔声量，预测了飞机舱室内的声场分布。
The liquid causes variable degrees of hearing loss by impairing the transmission of sound through to the inner ear.
由于影响声音传导到内耳，这种积液就会导致不同程度的听力下降。
Because of taking the sound-solid interaction into account, there are more peak value in transmission loss curve.
计算结果表明，由于隔声罩内声腔与结构振动的相互作用，考虑声固耦合后，隔声罩透射损失曲线峰值较多。
This paper calculated tropospheric scatter communications transmission loss, and calculated in the presence of a sound, the changes about the communications loss.
本文计算了对流层散射通信的传输损耗，计算出了在有声波存在条件下，声波对通信损耗的增量。
This paper calculated tropospheric scatter communications transmission loss, and calculated in the presence of a sound, the changes about the communications loss.
本文计算了对流层散射通信的传输损耗，计算出了在有声波存在条件下，声波对通信损耗的增量。
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