Closed loop feedback adopts PID control rule to insure the stabilization of magnification times.
闭环反馈采用PID这种最广泛使用的控制规律，以保证放大倍数的稳定。
2
Students will be qualified in control and management of chemical production, research and development of chemical products and process, design and magnification of chemical devices.
具有从事化工生产的控制与管理、化工产品和过程的研究与开发、化工装置的设计与放大的初步能力；
3
The introduction of Automatic Gain Control (AGC) method can adjust the total magnification at the range of 10 000 when the output signal amplitude is relatively stable.