Noise, sound power, sound insulation.

噪声，声功率，隔声。

Sound insulation of sound-isolating and decoupled tiles covered on the outside surface of pressure hull is studied based on the theory of non-uniform wave guide.

采用非均匀波导理论研究了敷设于耐压壳体外表面的隔声去耦瓦的隔声特性。

In practice of noise control in the industrial field, layered damping stiffened panels(LDSP) has been broadly used in the design of sound insulation.

在工业噪声控制实践中，阻尼复合加筋板以显著的隔声效果得以广泛的应用于隔声罩的设计中。

If not prevent, the need to take solid, vibration isolation, sound insulation measures.

如不能防止时，必需采取牢靠的隔振、隔声措施。

Otherwise it is complicated to sound insulation for incidence angles and the thickness of materials;

相对来说入射角度和材料的厚度对隔声性能的影响比较复杂；

The result is important for solving the problems of the bad repeatability and low measurement accuracy in the structure sound insulation measurements.

对解决结构隔声测试方法中声源信号可重复性差，测试结果精确度不高的问题具有重要意义。

The paper establishes reverberation - anechoic chamber sound insulation test method via lot of test research and demonstration.

本文通过大量的试验研究与论证,建立了混响室—消声室法隔声测量方法,填补了国内在该领域研究的空白.

At present the equation of insert loss hasn t indicated the effect of absorption, only refers to the effect of sound insulation.

目前对声屏障的插入损失计算所用的公式，没有体现材料吸声对绕射声衰减的作用，只是反映屏障的隔声作用。

Hollow glass features high-efficiency sound insulation and heat insulation.

中空玻璃具有高效的隔音、隔热性能。

Superior quality seals, waterproof, sound insulation and safe.

专用门锁及优质密封胶条,密封 、 水 、 音,安全可靠.