2) dither noise inject
抖动加噪
1.
Analyses the principle of dither noise injection,designs a dither noise generator.
本文对机械抖动偏频激光陀螺仪抖动加噪的物理可行性进行了理论分析,用 K检验法证明了所设计的抖动噪声发生器产生的随机噪声服从高斯概率分布,满足抖动噪声注入的要求。
3) multi-cycles step noise with white noise
多抖动周期阶梯噪声叠加白噪声
1.
Based on the accumulation of lock-in error, a method for eliminating the dynamic lock-in error by injecting multi-cycles step noise with white noise into the mechanically dithered ring laser gyroscope (RLG) is presented.
为消除机械抖动激光陀螺的动态闭锁误差,基于闭锁误差累积角特性的分析和研究,提出了多抖动周期阶梯噪声叠加白噪声的激光陀螺随机噪声注入新方法。
4) audio dithering
声学抖动
5) aerodynamic noise
气动噪声
1.
Prediction of interior aerodynamic noise of high-speed train cab;
高速列车司机室内气动噪声预测
2.
Numerical analysis of aerodynamic noise in a cross flow fan;
贯流风机气动噪声数值预估
3.
Numerical prediction of aerodynamic noise radiated from high speed train head surface;
高速列车车头曲面气动噪声的数值预测
6) aeroacoustic noise
气动噪声
1.
The aeroacoustic noise derived from the pressure fluctuation of blades and volute throat is predicted by the FW-H equation based on the Lighthill noise analogy.
基于N-S方程和雷诺输运应力方程(RSM),对空调用贯流风机进行了非稳态内流计算,并应用基于L ighth ill声学类比理论的FW-H方程时域解法,预测了由叶轮表面压力波动和蜗舌表面压力波动所产生的远场气动噪声,同时还比较了不同蜗舌间隙对气动噪声的影响。
2.
Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory.
研究剪刀式尾桨气动噪声的混沌特性,并应用混沌理论进行了直升机尾桨气动噪声信号分析。
3.
Research of helicopter rotor aeroacoustic noise based on CFD technics
应用CFD技术和气动声学的时域理论,研究直升机旋翼悬停流场及气动噪声。
补充资料：抖动
①颤动：她气得咬紧嘴唇，身子剧烈～。②用手振动物体：他～了一下缰绳，马便向草原飞奔而去。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条