1.
Numerical prediction for the acoustic noise of helicopter rotor in forward flight
前飞状态下直升机旋翼旋转噪声预测
2.
Separation of Rotation Noise in Disk Mill and the Modified Design for Reduction Noise;
爪式粉碎机旋转噪声的提取与降噪改进设计
3.
STUDY ON SEPARATION AND ACQUISITION OF ROTATION NOISE IN DISK MILL
爪式粉碎机旋转噪声分离与提取的研究
4.
Effect of Interaction between Centrifugal Impeller and Volute Tongue on the Performance and BPF Noise
叶片与蜗舌耦合对离心风机性能和旋转噪声影响的数值研究
5.
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Noise limits
GB10069.3-1988旋转电机噪声测定方法及限值噪声限值
6.
Indentifying and suppression of low frequency noise from the rotary compressor
旋转压缩机低频噪声源识别及噪声抑制
7.
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Engineering method for the measurement of airborne noise
GB/T10069.1-1988旋转电机噪声测定方法及限值噪声工程测定方法
8.
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Survey method for the measurement of airborne noise
GB/T10069.2-1988旋转电机噪声测定方法及限值噪声简易测定方法
9.
noise produced by the friction of the stylus of a record player moving over the rotating record.
电唱机唱针与旋转的唱片表面摩擦发生的噪声。
10.
Research on Structure Radiant Noise of Rotary Machines and the Mechanism to Control It
旋转机械结构噪声及其控制机理的研究
11.
The Study of the Structure Noise Encouraging by Rotatory Machinery;
旋转机械激励下柔性基础结构噪声研究
12.
"Turning the squelch control CCW until it clicks enables the auto squelch, eliminating the need to manually adjust the squelch."
逆时针旋转静噪旋钮直到发出"嘀"的一声就启用了自动静噪,使你不必手动静噪。
13.
On Improving HSI Noise Prediction for Helicopter Rotor in Forward Flight When Flowfield is Partially near Sonic Speed
旋翼前飞气动噪声高效数值算法研究
14.
Identifying Research on Noise Sources of Rotary Vane Compressor
旋叶式汽车空调压缩机的噪声源识别
15.
Investigation on the Blade-Vortex Interaction Aerodynamic Noise of Helicopter Rotors;
直升机旋翼桨—涡干扰气动噪声的研究
16.
Identification and Analysis of Noise Source in Counter-rotating Axia-flow Fan
对旋轴流通风机噪声源的识别与分析
17.
Research on Propeller Cavitation Characteristics and Low Noise Propeller Design;
螺旋桨空泡性能及低噪声螺旋桨设计研究
18.
This paper focused on such problems as mixing models of sources of rotation machines (including vibratory and acoustical sources) and their waveform restoral.
重点讨论了旋转机械源（包括振动激励源与噪声源）混合模式及源波形恢复问题。