1.
On the basis of analysing composition and testing results of noise generated by high speed punch press, the major noise sourse and the noise characteristics are pointed out.
在对高速冲床的噪声组成及其测试结果分析的基础上，指出了主要噪声源及噪声特性。
2.
The Noise Source Identification and Research for the Reduction of Transmission
某国产变速器主要噪声源识别及降噪途径的研究
3.
The Study on the Main Noise Source of Underwater Elastic Structure Based on Near-field Beamforming
水下弹性结构主要噪声源识别波束形成方法研究
4.
The exhaust noise is the main source of the cab.
排气噪声是驾驶室内主要噪声来源。
5.
As the range increases thermal noise tends to take over as the major source of inaccuracy.
当射程增大时，热噪声将成为一个主要的误差源。
6.
The sources and principle of transformer noise are discussed. The main measures to reduce transformer noise at home and abroad are introduced.
阐述了变压器噪声的来源及产生机理,介绍了国内外在降低变压器噪声方面采取的主要措施。
7.
Discusses the source of major noise of medical diagoustio X ray Camera, and gives some noise reducing methods and effects.
论述了医用X光摄像诊断系统的主要噪声来源，同时给出了一些降低噪声的方法及实际效果。
8.
To reduce interior noise of a passenger compartment measures are taken in the propagation route and the accepter.
对于铁路客车车内降噪，主要从噪声源和传声途径两个方面采取措施。
9.
Transmitting noise is main interfereing source of switch power supply which is coupled through lines of power supply, singal, interlinkage and grouding.
传导型噪声是开关电源的主要骚扰源，它可以通过电源线、信号线、互连线、接地导体等进行耦舍。
10.
Acoustics--Determination of sound power levels of noise sources--Requirements for the performance and calibration of reference sound source
GB/T4129-1995声学噪声源声功率级的测定--标准声源的性能要求与校准
11.
The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
12.
The Evaluation about Traffic Noise of Central Roads in Harbin;
哈尔滨市主要道路交通噪声污染评价
13.
By checking all the potential causes of producing noises, it is concluded that the air eddy is the major cause.
通过对引起噪声原因的排查,断定气体涡流是产生噪声的主要原因。
14.
The properties of phase noise of Gunn oscillators are determined by the characters ofthe noise of Gunn diodes.
体效应振荡器相位噪声主要取决于体效应管的噪声。
15.
In the system of the online measuring of pellets diameters, the disturbed noises during the process of collecting pellets images are mainly impulse noise and white noise.
在球团矿粒度在线检测系统中，球团图像采集过程的干扰噪声主要是脉冲噪声和白噪声。
16.
Application of Principal Component Analysis for Vibration and Noise Source
主成分分析法在振动噪声源分析中的应用
17.
FM and AM noise of the oscillator is one of the important specifications.
振荡源的调频调幅噪声是一项重要的技术指标.
18.
Rolling noise is generated by vibrations of both the rail and the wheel.
滚动噪声主要是由钢轨和车轮的振动产生的。