The exhaust noise

This paper aims at an extension of this analysis to the exhaust noise study .

本文将这一研究扩展到了排气噪声分析以便在分析进排气管与充气性能的同时，能有效预测通过排气尾管辐射的噪声。

Installation of Exhaust Pipe will Influence the Exhaust Noise

排气管的安装位置对排气噪声的影响

The exhaust noise of engine is one of the main noise sources of automobile noise .

发动机排气噪声是整车噪声的主要噪声源之一。

Bringing the exhaust noise of air hammers under control

空气锤排气噪声治理

Silencer is an effective device to reduce the exhaust noise of internal combustion engines .

消声器是降低内燃机排气噪声的有效措施之-。

A muffler is required to control the exhaust noise which is the major part of vehicle noise .

发动机的排气噪声是汽车噪声的重要组成部分，该噪声的控制方法主要是加装排气消声器。

The exhaust noise is the main source of the cab . Review and Perspective of the Active Control Technology for Engine Exhaust Noise

排气噪声是驾驶室内主要噪声来源。发动机排气有源消声技术研究进展及发展趋势

As an effective tool to lower the exhaust noise level , the muffler is widely applied in exhaust system of automobiles .

作为降低和控制车辆排气噪声的一种有效手段，消声器在发动机排气系统中得到了广泛的运用。

By analyzing the exhaust noise frequency spectrum and the exhaust noise control methods , the muffler is considered a effective way of controlling exhaust noise .

通过对排气噪声的频谱分析及对排气噪声控制方法的讨论，认为消声器能有效控制排气噪声。

In general , the exhaust noise is the main automobile noise source , usually 10 ~ 15 dB ( A ) higher than the others and .

一般说来，汽车噪声中排气噪声是主要的噪声源之一，它通常比其他噪声高10~15dB（A）。

Engine exhaust is main source of automobile noise . The exhaust noise has wide frequency band and its primary noise frequency is variable with engine working conditions .

发动机排气噪声是汽车的主要噪声源，具有频带宽，主要噪声频率随工况变化的特点。

According to the exhaust noise characteristics of special engine and the installation request of exhaust muffler , the exhaust muffler for special engine was designed .

根据特种发动机排气噪声的特性和消声器的安装要求，设计了一个组合式排气消声器。

The exhaust noise accounts for a great proportion in the noise of vehicles so that higher and higher demands are proposed on the performance of exhaust muffler .

车辆噪声中排气噪声占有很大的比重，因此对排气消声器的性能提出越来越高的要求。

Silencers are widely used to control the exhaust noise of internal combustion engines . The acoustic attenuation performance is one of the main performance criteria of exhaust silencers .

消声器被广泛应用于控制内燃机的排气噪声，声学性能是其主要评价指标之一。

By using bispectrum analysis in the exhaust noise under different conditions of tank diesel engine , we put forward a method that adapt no disassembly to detect misfire special .

通过对坦克柴油机不同状态下排气噪声信号的双谱分析，提出了一种特别适合实车不解体检测失火故障的方法，并编写了应用软件。

The exhaust noise of motorcycle engine is one of the main noise source of motorcycle noise , the effective measures to control exhaust noise is using exhaust muffler in exhaust system .

摩托车发动机排气噪声是摩托车噪声的主要噪声源之一，控制排气噪声的有效措施就是使用排气消声器。

The exhaust noise , which falls into low-frequency noise , is the dominant noise source of a diesel engines and tractors . It is a direct and effective way to reduce the exhaust noise by using an exhaust muffler .

排气噪声是柴油机及拖拉机的主要噪声源，且属低频噪声，安装排气消声器是控制排气噪声最直接有效的方法。

The exhaust noise , the engine ventilator noise and the noise of vibrating cover of the engine are the main noise source of the tractor , and the levels of sound intensity are 106 dB , 104 dB , and 104 dB respectively .

排气噪声、发动机散热风扇噪声及发动机机罩振动噪声为拖拉机主要噪声源，声强级分别为106dB、104dB、104dB；

A study on the submerged exhaust noise generated from an oscillating disk heat engine

摆盘机水下排气噪声的研究

Simulation calculation and experimental study for the pure exhaust noise of engine were carried out under the same operating conditions .

研究结果表明：该模型在发动机纯排气噪声预测方面具有足够的精度；

Firstly , time domain and frequency domain characteristics of the engine exhaust noise and its active control method have been discussed briefly .

简要介绍了发动机排气噪声的特点及其有源消声治理方法；

Compound HQ tubes , suitable for industrial applications , are discussed in this paper aiming at the broad-band exhaust noise .

依据分析研究结果，还探索了HQ管消声器的工程应用问题。

Adaptive active noise control technique has been used to attenuate the low-frequency exhaust noise of a diesel ( 4-85 ) and certain attenuation has been achieved in this thesis .

尝试利用自适应有源噪声控制技术对4-85柴油机低频噪声进行空间消声，取得了一定的消声效果。

The exhaust system noise of automobile is the important component of automobile noise . In order to reduce automobile noise and abate noise pollution , the optimum design of muffler is of great importance to society and economy .

排气噪声是汽车噪声的重要组成部分，研究汽车消声器并进行优化设计，对于减少汽车噪声、降低噪声污染，具有重要的社会意义和应用价值。

The Control for Exhaust Noise of the Rubber Vulcanization Jar

硫化罐排汽噪声治理

Here the features of exhaust noise in the cooling system of diesel engine with an exhaust gas ejector are analyzed .

本文分析了废气引射冷却系统的排气噪声特点；

At present , the study about exhaust noise control for more , else , the intake noise not enough , the intake noise has become the focus of noise control .

目前，人们对排气噪声的控制研究比较多，对进气噪声的研究还不够深入，进气噪声已成为汽车噪声控制的重点对象。

Silencer is an efficient device to control the intake and exhaust noise of engines , and the prediction and analysis of acoustic attenuation performance is necessary for silencer design .

消声器是控制发动机进、排气噪声的有效装置，其声学性能的计算与分析是消声器设计的基础。

The intake and exhaust noise of automotive engine is one of main noise sources of automobile noise . The most effective measure to control intake and exhaust noise is using muffler in intake and exhaust system .

汽车发动机进排气噪声是汽车噪声的主要噪声源之一，控制进排气噪声最有效的途径是在进排气系统上使用消声器。

Research on the control of boiler exhaust noise from heat power station

热电厂锅炉排汽噪声治理研究