2) phase-locked loop control / frequency tracking
锁相环控制/频率跟踪
3) frequency tracking phase-shifted PWM control
频率跟踪移相PWM控制
4) control / frequency automatic tracking
控制/频率自动跟踪
5) frequency tracking
频率跟踪
1.
A sampling measurement algorithm without frequency tracking based on electronic instrument transformer;
基于电子式互感器的无频率跟踪采样测量算法
2.
Current feedback frequency tracking control with matching of piezoelectric;
压电超声换能器电端匹配下的电流反馈式频率跟踪
3.
Research on the Frequency Tracking System of HF-Inverter Power Controlled by PI-DPLL;
基于PI-DPLL的高频逆变电源频率跟踪系统的研究
6) frequency tracing
频率跟踪
1.
A new method based on correlation theory and frequency tracing algorithm is presented .
针对应用虚拟仪器技术测量旋转动力机械扭矩的原理与算法进行了研究,提出一种频率跟踪基于相位差测量扭矩新方法。
2.
Through DC input voltage regulation and circuit resonant frequency tracing,approximate linear load power regulation can be realized by the power supply.
利用电路谐振产生高频高幅值的正弦波电压的介质阻挡放电电源,通过调整电源的逆变电路的直流输入电压,同时逆变电路开关频率跟踪电路谐振频率,可以实现介质阻挡放电负载功率的近似线性调整。
3.
because of bridge rectifier adopting APFC technology and inverter adopting the frequency tracing technoiogy of no phase difference, which have very important significance on effective running of power network? frequency conversion power supply and loading.
其整流器采用APFC技术 ,逆变器采用无相差频率跟踪技术 ,使输入和输出的功率因数都得以提高 ,这对电网、变频电源和负载的有效运行具有重要意
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