As an economical and effective method, the expressway noise barrier is a primary measure to reduce traffic noise.
高速公路隔声屏障作为一种经济有效的方法，是降低交通噪声的主要措施。
Measurement results show that the noise barrier can effectively reduce noise.
测试结果表明，该声屏障具有良好的降噪效果。
The garage on the ground floor serves as a noise barrier toward the busy main street.
地面层的车库同时也是阻隔主街道噪音的隔音屏风。
The effect of active noise barrier was influenced by the locations of the error sensors.
有源控制系统中误差传感器的位置对整个系统的降噪效果有较大的影响。
Display all final noise barrier designs on the Virginia Department of Transportation (VDOT) Web site.
显示在运输(维州交通部)弗吉尼亚州署的所有最终的隔音屏的设计网站。
As an economical and effective method, expressway noise barrier is a primary measure used to reduce traffic noise.
作为一种经济而有效的手段，声屏障是控制和降低高速路交通噪声的主要措施。
In order to verify the actual performance of the noise barrier. A series of comparison tests has been carry out in anechoic chamber.
为了验证新型声屏障的实际性能，在消音室对采用不同顶端结构的声屏障进行一系列实验研究。
Expressway noise barrier not only can greatly reduce noise, but also can change its shape and type according to various surroundings.
公路声屏障不但降噪量大，而且可以因地制宜地建造各种类型和造型，充分与环境协调一致。
About the sound insulation effect, PC board is internationally recognized as the first selection of highway noise barrier material, it can even 40 decibels of sound insulation.
关于隔音作用来说，PC板是国际上公认的高速公路隔音屏障的首选资料，它乃至能够绝缘40分贝的音响。
Disuse tyres and other absorption materials are used and developed to become a new type of noise barrier which can mitigate the traffic noise impaction by reverberation and noise absorption.
并考虑用轮胎和其它吸声材料配合使用，设计一种新型的吸声共振复合声屏障，达到降噪的效果。
This paper analysis the acoustic principles of noise barriers, discuss the transmission, reflection and diffraction of the noise barrier, and the influencing factors of the three transmission routes.
本文从分析声屏障的声学原理入手，探讨声屏障的透射、反射和绕射机理以及对这三种传播途径的影响因素。
Sound barrier engineering is the effective measure to control the impact of railway noise, and acoustics design is the main ways and means to assure the effect of barrier.
声屏障工程是防治铁路噪声影响的有效措施，声学设计是保证声屏障工程降噪效果的重要手段和方法。
The noise could reach the relevant standards and achieve better environmental and social benefits through setting the arc fish scale sound barrier by simulation and plan evaluation.
经方案论证，设置弧形鱼鳞状吸声型声屏障，噪声均达到相关标准规定，取得较好的环境与社会效益。
To start with the status acoustic environment of the Wukuang residential area, some considerations and ways of sound barrier design were given for protecting the residents from highway noise.
从五矿住宅区的声环境现状入手，主要从声学角度阐述了该处声屏障设计的思路及其设计方法。
Computer technology was used to simulate and forecast the noise spread in Zhenhai 300mw gas steam combined cycle power generation project. The design of sound barrier was optimized.
镇海3 0 0MW燃气—蒸汽联合循环发电工程采用计算机技术对噪声传播进行模拟和预测，优化了隔声屏障的设计。
The design of noise environmental effect was analysed, and the railroad noise affecting factors, the denoising technical method and sound barrier designing were discussed.
并综述了铁路噪声选线设计方面的研究进展，并还深入探讨了铁路噪声的产生机理、降噪技术方法与各种声屏障的设计使用。
The barrier fluctuation is characterized by Gaussian colored noise with exponential correlation.
势垒的涨落由指数关联的高斯色噪声描述。
Using Schottky barrier diodes for D1 and D2 rather than common diodes reduces the low-level voltage on the bus, improving the noise margin.
使用肖特基二极管d1和D2，而不是普通二极管，为的是减少总线上低状态电压，改进噪声极限。
The sound-barrier sufficiently uses the concave space of both sides of the railway which is used for communication cable, and designs based on distributed noise result of urban rail transit.
该声屏障充分利用了轨道床两侧架设通讯电缆的凹型空腔，并依据列车噪声分布进行了针对性设计。
The noise parameters are closely related to the barrier zone and mainly reflected in the noise amplitude.
噪声参数与势垒区的复合效应密切相关，主要表现为频率指数基本不变，噪声幅值呈增大趋势。
At last it is shown that the declining of transport and noise performance under high and low electron concentration may be weakened through the right barrier tailoring.
最后指出剪裁沟道右势垒可以弱化高、低电子气密度下输运和噪声性能的衰退。
At last it is shown that the declining of transport and noise performance under high and low electron concentration may be weakened through the right barrier tailoring.
最后指出剪裁沟道右势垒可以弱化高、低电子气密度下输运和噪声性能的衰退。
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