This dissertation designs the main circuits used in the system including interface circuit of thermal resistance, driving circuit of electric valve, amplificatory and modulation circuit of signal.

• 独立完成了热电阻接口电路、电动阀驱动电路、信号放大和调理电路等主要电路的设计和搭建，并对所有的测控仪器进行了严格的标定和校准。