结果表明，采用了主动控制悬挂系统的车身振动明显降低。
The result show that the vibration of caterpillar vehicle applied active control reduces obviously.
从振动的角度看，汽车振动系统可分为车身振动系统和动力传动系扭转振动系统。
From the view point of vibration, automobile is divided into a body vibration system and powertrain torsional vibration system.
整个悬架系统的作用是隔离来自路的冲击和振动对车身的影响，防止它们传递给乘客和货物。
The purpose of the complete suspension system is to isolate the vehicle body from road shocks and vibrations, which will otherwise be transferred to the passengers and load.
行驶测试表明有必要最大限度地降低车身架的振动。
Ride testing indicated a need to minimize body frame vibrations.
根据试验的结果，对原排气管的悬置位置进行了调整，从而使车身地板的振动得到了明显改善。
According to test results, the mounting locations of exhaust pipe are modified, therefore vibration of floor significantly improved through modification.
利用性能良好的隔振系统的作用避免来自发动机的振动和噪音传到车身是改善汽车的乘用舒适性的有效措施。
It is an effective measure of improving the riding comfort to use a vibration isolating system with good performance to separate vibration and noise coming from the engine from the auto body.
根据试验的结果，对原排气管的悬置位置进行了调整，从而使车身地板的振动得到了明显改善。
Based on the test result, the suspension location of the exhaust pipe is modified, thus floor vibration is greatly improved.
这样可以吸收发动机的振动和噪音，阻止它们直接传到车架上，进而传给车身和乘客。
They thus absorb engine vibration and noise. They prevent this vibration and noise from being carried directly to the frame and consequently to the car Body and passengers.
模态试验和仿真计算的对比分析结果表明，所建立的白车身有限元模型较好地反映了原结构的振动特性。
The contrastive analysis of modal test and simulation computation show that the finite element model of body-in-white has well represented the vibration characteristics of the original structure.
车身多层阻尼结构的振动特性及隔吸声特性是影响车室空腔声响应的重要因素。
Vibration characteristics and sound insulation capability of multilayer damping panels are very important factors which dominate acoustic response in the interior of automobile bodies.
通过控制器调整减振器阻尼力的大小，改变车身侧倾振动状态。
Its suspension damping force was adjust by controller in order to improve the vibration stability of vehicle.
在可调减振器的设计基础上，分别对车辆阻尼优化前后进行了试验，分析了车身与驾驶员座椅处的振动特性，计算与试验基本吻合。
A turnable damping was designed, and based on these, the road tests were done, analytical study on vibration performances of passenger seat were carried out, and the results were accordant.
影响汽车平顺性的主要因素是车身的垂直振动。
The main factor which affecting automotive ride comfort is the vertical vibration of the body.
汽车车身的振动很大程度上来源于车身底板的结构振动。
Most of the structural vibration of vehicles comes from the vibration of the floor.
通过合理设计的动力总成悬置系统，可以降低动力总成振动及其向车身的传递，从而提高汽车的NVH性能，已经成为一个重要的研究课题。
The rational design of powertrain mounting system can reduce vibration to transfer and improve the NVH performance of vehicles, which becomes an important research topic.
低频噪声的来源主要是由发动机振动，悬架系统振动所引起的车身板件振动产生的辐射噪声。
The primary source of the low frequency acoustics is the radiating noise produced by the vehicle structural vibration, which is induced by the vibrating of the engine and the suspension system.
通过对白车身的模态分析，获得了车身结构固有的振动特性，并找出了车身结构在动态激励时的薄弱环节。
By the results of modal analysis of the body in-white, the body's natural dynamic features are got in the paper, and located some weakness of the structure.
结果表明装有动力吸振器的汽车可以较好地改善在高频段车身的剧烈振动和轮胎的接地性。
All results show that the suspension with dynamic absorbers can improve vehicle riding comfort and tyre road holding.
怠速工况试验表明，优化后的挂钩不仅降低了车内驾驶员右耳侧噪声，而且减小了排气系统传到车身地板的振动。
Test result shows that vibration from exhaust system to floor and sound pressure to driver's right ear on idle running are reduced with the optimized hanger systems.
怠速工况试验表明，优化后的挂钩不仅降低了车内驾驶员右耳侧噪声，而且减小了排气系统传到车身地板的振动。
Test result shows that vibration from exhaust system to floor and sound pressure to driver's right ear on idle running are reduced with the optimized hanger systems.
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