高准确度温度测量系统信号调理

Signal processing of high accuracy temperature measuring system

介绍一种高准确度温度测量系统信号调理方法 ,包括高稳定度线性化不平衡直流电桥的设计、高共模抑制比的浮地放大电路的设计。方法简单实用 ,准确度高 ,应用表明效果较好。

A signal processing method of high accuracy temper at ure measuring system,including the design method of high stability linearzation imbalance DC bridge and that of high CMRR floatearthed amplifying circuit, is presented.This method is not only brief and practicality, but also high accuracy .Practice shows that its effect is better.