1) frequency model
频率模型
2) impedance frequency model
阻抗频率模型
1.
After the impedance frequency models of electric elements including generators, transformers, filters and transmission lines are completed, by means of network impedance frequency scanning program (NIMSCAN) the harmonic impedance equivalent calculation for ±800 kV UHV.
在完善发电机、变压器、滤波器、线路等电气元件阻抗频率模型的基础上,采用NIMSCAN阻抗频率扫描程序对向家坝—上海±800kV特高压直流输电工程进行了谐波阻抗等值计算。
3) 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。
4) main frequency model theory
主频率模型理论
1.
By analyzing the noise mechanism of the auto auxiliary pump (model VP502), and using main frequency model theory and experimental data, the reason of excess noise of this kind vane pump is found out and some suggestions to improve it is also given.
通过对汽车转向泵产生噪声机理的分析,运用主频率模型理论及实验数据,查找VP502型汽车助力转向叶片泵噪声过大的原因,并提出了改进意见和建议。
5) frequency conversion model
频率转换模型
1.
To study rationality and possibilities of the conversion frequency in storm sampling and reasonable frequency conversion model,take 49 towns of 9 cities,which are located in Fujian province,as a study project.
为了论证暴雨选样间的频率转换的合理性和可行性,以及合理的频率转换模型,对福建省9个市49座城镇雨量观测站实测的资料进行分析计算,以离差绝对值和、离差平方和以及Nash-Sutcliffe作为误差评定标准,分别计算各自的暴雨设计值的离差绝对值和、离差平方和和NSE值。
6) frequency buffer model
频率缓冲区模型
1.
In order to solve this problem,frequency buffer model is proposed in this paper.
分析了全色与多光谱遥感影像融合的难点,提出了频率缓冲区模型,实现了基于频率缓冲区模型的多特征联合的融合算法。
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