【作者】 贺庚贤； 宁飞； 李俊霖；

【Author】 He Gengxian Ning Fei Li Junlin (Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130031 China)

【机构】 长春光学精密机械与物理研究所；

【摘要】 热控仿真测试设备的输出为120路数字电阻,设计了用多路复用开关、数字万用表卡和计算机等组成的热控仿真测试设备校准系统。该校准系统设计基于PXI总线架构,计算机控制数字电阻的输出和校准系统的数据采集。应用最小二乘法绘制了校准曲线、给出了校准公式及校准误差。更多还原

【Abstract】 The output of heat-control emulation test equipment was 120 digital resistances.The calibration system based on PXI bus was designed,and the digital resistances were corrected.The calibration system was composed of multiplexer、digital multimeter card and control computer.The graph of calibration curve are protracted, calibration formulas and errors are given.更多还原