The system adopts PC technique to form two level control scheme with web function which can be used anywhere without the limitation of the power supply and place.

整个生产线控制系统采用PC技术形成两级控制并具有网络化功能。

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The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.

该系统使用PC机作为控制平台，采用自整定PID算法，调节输出pwm波的占空比来控制半导体制冷器的输出功率。

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For TD-SCDMA system, the closed-loop power control(PC)consists of inner-loop PC and outer-loop PC.

SCDMA系统的闭环功率控制可以分为外环功控和内环功控。

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