Introduction to NVH, Basic NVH Concepts, DOE.
介绍NVH，初步了解nvh的概念，能源部。
Understanding and appreciation of each major system's influence on NVH.
理解和正确评价各个主要系统对NVH的影响。
An NVH experiment is done on the gearbox and the noise source is found through the analysis.
对一台噪声较大的齿轮箱做了振动噪声试验，通过分析识别出噪声源为一对啮合的齿轮。
The engine mounting system is one of the major factors which influence the vehicle NVH performance.
发动机悬置系统是影响汽车NVH性能的一个关键因素。
A second topic of his scientific work is focussing on the Noise, Vibration and Harshness (NVH) behaviour of vehicles.
其在科研工作中关注的第二个主题是汽车的噪声、振动和舒适性(NVH)状况。
The good performance of NVH is the target of automobile comfortability, and the exemplification of a top quality engine.
汽车NVH性能不仅是汽车舒适性指标，更是发动机质量品质的综合体现。
Comfort: Our wood fiber interior trim products have more excellent NVH features, such as sound absorption, noise reduction.
舒适：木纤维内饰产品有着更好的吸音、降噪等卓越的NVH功能。
Therefore, it is necessary to find out an effective technique to predict the NVH performance of vehicle in a given condition.
因此，亟待探索一种在给定车型相关参数、车速及路况等信息的条件下，能定量预测其NVH特性的有效方法。
Eaton's capabilities allow the NVH technology team to find more proactive solutions to give OEMs a more off-the-shelf solution.
伊顿的能力允许NVH技术团队找到更加积极主动的解决方案，使原始设备制造商更现成的解决方案。
The Target Setting method is applicable to all the vehicle's performances: in this paper the application of the method to NVH performance is presented.
本文只谈目标设定方法在NVH性能改进过程中的应用。本文结合着对一款现生产车的改进过程逐步加以论述。
Based on the research, the principle of the energy decoupling is applied to the optimization of the powertrain mounts system to improve the NVH performance.
在此基础上，利用能量解耦法的原理对其悬置系统进行优化，以改进动力总成的NVH性能。
The whine noise was tested in vehicle and in the NVH testbench. Through order tracking analysis and noise contribution analysis, the whine orders were found.
首先进行了车内噪声实验和NVH半消声室台架实验，利用阶次分析找到了主要的阶次，然后利用声贡献量分析最终确定了啸叫特征阶次。
Romax tools allowed us to transform the transmission NVH process from a test-based hardware iterative approach to a process focused on up-front design optimization.
Romax软件帮助我们实现了NVH分析过程从基于物理样机反复测试的模式转变为着眼于虚拟 样机优化设计的模式。
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.
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。
Some typical technology elements of automobile noise control are analyzed, including the simulation, the experiment, the optimization design, and the EDBMS of vehicle NVH.
对汽车噪声控制的典型技术环节进行分析，具体涉及车辆NVH性能的仿真分析、试验、优化设计以及相应的工程数据库系统。
The software offers integrated solutions for NVH and bearings analysis through software tools, process, training and engineering services to major OEM and Tier 1 suppliers.
目前，Romax为世界主要的OEM以及一级供应商提供Romax软件技术支持、实施流程、使用培训，以及工程服务，以及集成的NVH与轴承分析解决方案。
The result of identification can be used to predict the dynamic characteristics of engine mounts with complex structure and to study the NVH performance of complete vehicle.
基于上述理论和试验相结合的模型识别方法可以代替组件试验，识别结果可直接用于复杂结构悬置元件的动特性预测和整车NVH性能研究。
Vibration of powertrain is a main vehicle vibration source of excitation in the whole vehicle vibration, which has significant influence of a car's comfort and NVH characteristics.
汽车动力总成振动是汽车振动的主要激振源之一，对汽车的舒适性和NVH特性有很大的影响。
The acoustic modal analysis of cavity is the important matter on vehicle NVH performance study. Identifying system mode is of importance to avoid acoustic resonance and reduce interior noise.
车室声学模态分析是汽车NVH特性研究的重要内容，识别系统模态对避免声学共振、降低车内噪声有重要意义。
As any NVH problem being a source-path-responder system, different approaches and strategies are required to address each individual part of the issue, which are discussed with illustrations.
任何噪声、振动和声振粗糙度问题都是源路径响应器系统的问题，所以，需要采取不同途径和策略解决各部分问题，这将通过图文并茂的方式进行讨论。
With two-step gear reduction, the transmission has been optimized in design by means of virtual prototyping and finite element analysis technology to improve their lifespan and NVH performance.
该减速器采用二级传动，运用虚拟样机及有限元分析技术对整个减速器进行优化，提高其使用寿命及NVH性能。
With two-step gear reduction, the transmission has been optimized in design by means of virtual prototyping and finite element analysis technology to improve their lifespan and NVH performance.
该减速器采用二级传动，运用虚拟样机及有限元分析技术对整个减速器进行优化，提高其使用寿命及NVH性能。
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