The frequency of DFB LD was driven and controlled through such technology as constant current, temperature control in active area, wavelength lock and etc.
该方案通过采用恒流源、有源区温度控制以及波长锁定等技术方法来实现DFBLD的稳频驱动及控制。
Aim: To explore the effect of radio frequency identification (RFID) technology used in the area of drug security control.
前言：目的：探讨无线射频识别技术在药品安全监管领域的应用与作用。
High power GTO inverter is used for railway electric traction. Its PWM control is significantly different from variable frequency drive system in conventional industrial area.
大功率GTO逆变器用于铁路电力牵引，其PW M控制与一般工业领域中的变频调速系统的PWM控制有很大不同。
In this paper the concept of area frequency control responsibility error for regional electricity market and corresponding transaction mechanism are proposed.
提出了区域电力市场下区域调频责任偏差的概念及其交易机制。
Load Frequency Control (LFC) of the multi-area power system is an important measure for guaranteeing the electric energy qualities and implementing the secure and economic dispatch.
多区域电力系统的负荷频率控制(LFC)是保证电能质量和实施安全和经济调度的重要举措。
Load Frequency Control (LFC) of the multi-area power system is an important measure for guaranteeing the electric energy qualities and implementing the secure and economic dispatch.
多区域电力系统的负荷频率控制(LFC)是保证电能质量和实施安全和经济调度的重要举措。
应用推荐