摘要
本文通过对铂电阻测温的研究,采用以运算放大器电路为基础的校正补偿方法,结合算法简单、校正精度高的线性插值"软校正"方法,有效地解决铂电阻测温电路的非线性误差问题,提高了测量精度.
The nonlinearity of a platinum resistance thermistor and the inherent nonlinearity of an unbalanced voltmeter bridge often bring about nonlinear measurement errors.The hardware compensation method based on the operation-amplifier circuit and the soft compensation method of linear-insert-value with simple arithmetic and high accuracy are introduced in the paper,they prove to be effective in lessening nonlinear measurement errors of platinum resistance thermometers.
出处
《南昌大学学报（工科版）》
CAS
2003年第3期53-56,共4页
Journal of Nanchang University(Engineering & Technology)
关键词
铂热电阻
非线性
线性校正
线性插值法
platinum resistance thermistor
nonlinearity
linear compensation
linear-insert-value method
