1) model vibration frequency
模型抖动频率
1.
Vortex motion frequency and model vibration frequency were measured respectively by an optical method and the FFT of.
介绍了能产生扫描式6片光的旋转镜平行多片光装置;介绍了能产生连续、均匀的示踪粒子且粒子浓度可调的气压式粒子发生器;介绍了测量涡跳动频率的光学方法和用应变天平测量模型抖动频率的方法,并对大迎角和大滚转角时涡跳动频率和模型抖动频率进行了测量,结果表明:α=42°、=42°时模型抖动频率(7。
2) Frequency Jitter
频率抖动
1.
Application of Frequency Jitter Technique on the EMC Design for Switching Mode Power Supply;
频率抖动技术在开关电源EMC设计中的应用
2.
Based on the theory of frequency modulation,the principle that frequency jittering spreads the spectrum energy of the voltage and current is analyzed.
针对传统的固定频率PWM控制方式引起的波形频谱能量集中、谐波幅值较大的缺点,文章基于频率调制(FM)的理论分析了开关频率抖动技术扩散电压频谱以及电流频谱能量的基本原理,结合传统的PWM控制器,采用三角波作为调制信号实现简单的频率抖动的方法。
3.
In this paper, the research focus on the novel passive three phase high power factor rectifiers and the frequency jitter technology to improve the input currents of a charger/discharger for Ni-Cd battery.
论文结合某型镉镍蓄电池充放电器,研究了基于无源技术的高功率因数整流器和直流变换器的开关频率抖动技术,以提高该设备的功率因数和减小电磁干扰。
3) dither frequency
抖动频率
1.
Research of the relation between dither frequency and temperature in mechanically dithered ring laser gyro;
二频机抖激光陀螺抖动频率与温度关系的研究
4) jitter oscillator
频率抖动振荡器
5) PRF jittering
重频抖动
补充资料:频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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