1) Rotor frequency
转子频率
1.
The reverse-control wired stable stop of a 450 t cool-shear-machine by measuring the electromotor rotor frequency to control the non-contact system is succeeded.
利用检测电机转子频率的方法控制无触点系统实现了 45 0t冷剪机的反接制动稳定停车 ,方法简单 ,运行可靠。
2) rotor intrinsic frequency
转子固有频率
1.
To detect faults of a liquid rocket engine(LRE) turbopump effectively,a turbopump fault detection approach based on rotor intrinsic frequency is presented in this paper.
为了有效地检测液体火箭发动机涡轮泵的故障,分析了某型液体火箭发动机的28次历史试车数据,得到了涡轮泵转子的一阶、二阶和三阶临界转速以及轴向固有频率的数值,研究了这4个转子固有频率幅值的稳定性及对涡轮泵故障的敏感性,得出了它们具有较强的稳定性和故障敏感性的结论。
3) frequency scaling ratio
频率转换因子
4) quantum frequency conversion
量子频率转换
1.
An explicit analytical solution of the Schrdinger equation for a detuned quantum frequency conversion system;
失谐量子频率转换系统薛定谔方程的显式解析解
5) Photon Frequency Upconversion
光子频率上转换
1.
GaN/AlGaN dual-band infrared detection and photon frequency upconversion
GaN/AlGaN双带红外探测及光子频率上转换研究
6) two-photon frequency up-conversion
双光子频率上转换
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