sound isolation

Research on Sound Isolation inside Diesel Motor Cars

内燃动车车内隔声研究

Sound intensity measurement allows accurate identification, isolation and ranking of individual sound sources.

声强测量允许精确的鉴别 、 孤立、列举单个噪声源.

Now, the traditional passive reduction noise measures in automobile, such as noise elimination, sound absorption, vibration and sound isolation, etc, have good effect on reducing the middle and high frequency noise, but little effect on low frequency.

传统的噪声控制主要采用隔振、隔声、消声、吸声等被动降噪措施，这些降噪方法对降低中高频段噪声作用显著，但对以低频噪声为主的车内噪声控制效果不佳。

The operation test has shown that the said package features a good sound isolation performance, which approaches the world advanced level of sound proof quality of gas turbine packages.

经开车试验，证明S1A&02箱装体隔声性能良好，接近世界上先进的燃气轮机箱装体的隔声性能。

The new JVC HA-NC260 headphones combine outstanding sound quality with advanced noise-canceling and isolation technologies to provide a superior listening experience.

新的JVC HA-NC260耳机结合了卓越的音质和先进的降噪和噪音隔离技术，提供了优质的听觉体验。

This paper emphatically discusses the issue of separating sound and reducing noise in the library by means of overall layout, sound isolation of floor and windows to acquire good sound surroundings.

着重从图书馆总体布局、楼板隔音、窗户隔声几方面叙述了图书馆的隔声降噪问题，以取得良好的建筑声环境。

It puts forward yawp optimize design scheme of control spray paint fanner& assembly type double layers optimizing sound isolation cover.

提出了控制喷漆通风机噪声的优化设计方案：组装式双层优化隔声罩。

Despite being apparently" open", the manufacturer claims that there is a very good sound isolation.

尽管这种座椅表面看起来是开放式的，但制造商称它具有良好的隔音效果。

The sound-absorbing materials not only could reduce target strength of submarines, also have the isolation and sound insulation effects. The sound-absorbing materials played a more important role in improving the stealth of submarine.

吸声材料不仅能够降低潜艇目标强度，还具有隔振和隔声的作用，对于提高潜艇隐身性具有不可忽视的作用。

The effect of different fillers such as hollow glass microsphere, pulverous coal ash and foam polymer on water insertion loss of sound isolation rubber material were studied.

本文研究了空心玻璃微珠、粉煤灰（煤胞）、发泡聚合物等填料对阻尼隔声橡胶材料水中插入损失的影响，发现橡胶中加入隔声填料可以明显提高水中插入损失。