| 1. | Application sound intensity method on diesel engine
声强法识别柴油机主要噪声源的应用研究 |
| 2. | For a conventional helicopter , the tail rotor is one of primary sources for helicopter noise
尾桨是直升机的主要噪声源,降低尾桨噪声对控制直升机的噪声水平具有重要意义。 |
| 3. | Starting from harm of noise and the meaning of controlling the noise , and then the element theory influencing interior noise and the basic control methods are analyzed
先从噪声的危害及控制噪声的意义讲起，再分析影响车内噪声的主要噪声源产生的机理以及控制的基本方法。 |
| 4. | ( 2 ) introduce the basic knowledge of acoustics , the main sources of ship noise , the transmit route and characteristic , aiming to provide the basic knowledge of noise
( 2 )对噪声的基础知识、船舶的主要噪声源及其传播途径和特点进行阐述，为后续的噪声预测提供理论依据。 |
| 5. | The production mechanism of the main noise factors in the resonation fog is analyzed subsequently . the compensation methods of some kinds of noises which we care are induced
接着对谐振式光纤陀螺中的主要噪声因素的产生机理做了分析，归纳整理了我们关心的几种噪声的补偿方法。 |
| 6. | Based on the lucubration of adsl ' s transmission characters , the author concluded the main noise sources on the loop and their influences to the adsl ' s transmission performance
本文作者在深入了解adsl传输特点的基础上，总结了线路上主要噪声源的特点及其对adsl传输性能的影响。 |
| 7. | According to the using of the sound intensity method , the main noise sources of a 4112zlq diesel were tested , and some measures were taken to reduced the noise level
摘要以一台4112zlq柴油机为样机，用声强法确定了柴油机的主要噪声源，根据主要噪声源分析结果，采取了一系列降噪措施，取得了很好的降噪效果。 |
| 8. | This paper expounds the general thoughts and the methods of reducing main noise sources through introducing successful control the noise of ball mill houses 、 transportation air - blower 、 centrifuge air - blower
通过介绍对水泥厂磨机房、鼓风机、离心风机等噪声的成功治理来阐述水泥厂噪声治理的一般思路以及主要噪声源的治理方法。 |
| 9. | This dissertation analyzed the main sources of noise as well as the different characteristics of noise and signal under wavelet transform , and proposed a multiresolution edge detection method based on wavelet transform
本文分析了焊缝图象的主要噪声来源及噪声与信号在小波变换下呈现的不同特点，提出了一种基于小波变换的多分辨率边缘检测方法。 |
| 10. | This will be dealt with in this paper . the discrimination for noise source from qn700 indicates : the fan noise ( 625hz ) , the electromagnetism noise ( 962hz ) and the burning noise are the main noise sources
对汽车燃油空气加热器中具有典型代表结构的qn700型样机的测试分析表明：风扇噪声( 625hz ) 、电机噪声( 962hz )和燃烧噪声是加热器的主要噪声源。 |
