您要查找的是不是：
- Multifunction for frequency test, period test, crystal oscillation test and frequency calculation. 多功能设计,具测频,测周期,测晶振及计数功能。
- Multifunction for frequency test, period test, crystal oscillation test, frequency calculation and 13M output test. 多功能设计,具测频,测周期,测晶,振计数及特有13M输出测试功能。
- The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design. 本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
- In the conventional phasor measuring method based on DFT(discreteFourier transform),no overall consideration is given to the phase angle error. Thus,the frequency calculation and phasorestimation results are not sufficiently accurate. 传统的基于离散傅里叶变换(DFT)的频率跟踪算法对相角误差的考虑不全面，从而其频率、相角、幅值等计算结果也不够准确。
- frequency calculation means device 频率计算装置
- hydrological frequency calculation 水文频率计算
- Adding a speed observer, a slip frequency calculator and a torque current component limiter to the SFO vector control system, a speed sensor-less vector control system based on stator flux orientation is formed. 在矢量控制系统中采用定子磁场定向,并进一步加入了转速估计、转速调节闭环、转差计算和常用的转矩电流限幅等重要环节,构成了一种无速度传感器矢量控制变频调速系统。
- Flood peak flow frequency calculation affected by special flood 特大洪水对洪峰流量频率计算的影响
- Norminal frequency calculation of compressor inlet air washing tank 压缩机进气洗涤罐的固有频率计算
- Modal frequency calculation for liquid-filled elbow pipe 充液弯管的模态频率计算
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Frequency calculating formula of multivibrator 多谐振荡器频率的计算公式
- The Bf gene frequencies calculated from these phenotype data were as follows: Bfs=0.8700,BfF=0.1275,Bfs 0.7=0.0025.The C3 and Bf phenotype frequency distributions were in agreement with those expected from the Hardy-Weinberg equilibrium. 基因频率为Bf~s=0.;8700;Bf~F=0
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Discussion on the Frequency Calculation according to the Historic Deluge Datum 关于有历史洪水参加的洪水资料经验频率计算方法的讨论
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- Reliability Analysis of the Accident Probability and Frequency Calculation on Ergonomic System 人机系统事故概率与发生频率的可靠性分析
