1) Ionization frequency
电离频率
2) Ionospheric critical frequency
电离层临界频率
3) frequency separation
频率分离
1.
Research shows that a uniform expression can be obtained according to the law of frequency separation and its revision with strain energy.
研究表明:在本次试验的情况下,频率分离法、频率分离法的应变能修正法可以变形成一个统一的模型表达式。
2.
In view of the specific features of the stator and rotor windings of induction motorsstarted by harmonic fields, all harmonics in the air-gap magnetic fields are divided into twosets,the starting harmonic set and the running harmonic set by the principle offrequency separation.
针对谐波起动异步电动机这一新型电动机定、转子绕组的特点，采用频率分离的原理，将电动机气隙磁场的所有谐波划分为两个谐波集合：起动波集合｛Ｖ｝ｓｔ和运行波集合｛ｖ｝（ｒｕｎ）；导出了描述其电磁特性的数学模型和相应的等效电路。
4) discrete frequency
离散频率
1.
The results show that the impinging tone dominates the discrete frequency noise with short impinging distances.
结果表明:对于凹、凸、平三种形状的冲击面,当冲击距离较小时,冲击单音主导了离散频率噪声;冲击单音最强音的频率随压比增大呈现频级阶越的现象;射流噪声总声压级随压比成类似对数增长的关系,当喷嘴压比大于2。
2.
A kind of induction motor soft start control method based on discrete frequency principle is introduced.
介绍了一种基于离散频率原理的电机软启动控制方法。
5) frequency deviation
频率偏离
1.
Study on frequency deviation by magnetron sputtering thin film on quartz crystal;
石英晶体表面溅射成膜及频率偏离特性的研究
2.
Key Words:ECR Plasma Sputtering;Quartz Crystal;Frequency DeviationWT5HZ]AbstractAbstract:The source, content of employee stock ownership plans (ESOP) is introduced .
提出了用微波电子回旋共振等离子体溅射法 (ECR)在石英晶体表面制备出性能优异的TiN薄膜 ,研究了TiN薄膜的性能以及作为液体黏度检测时的频率偏离特性。
6) excision frequency
切离频率
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