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《JOURNAL OF XI'AN JIAOTONG UNIVERSITY》 1998-08
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Algorithm for Cold Junction Compensation and Nonlinearity Correction of Thermocouple

Su Caihong Wu Yunzhang Zhan Junfeng (Xi′an Jiaotong University, 710049, Xi′an)  
An algorithm is developed for automatic calibration of temperature from thermopotential by using the binary quartic least square method. Correction for nonlinearity of thermocouple and compensation for cold junction are implemented simultaneously. Application shows that the algorithm is suitable for high speed processing with accuracy.
【Key Words】: least squares thermocouple cold junction compensation
【CateGory Index】: TH811,TP2
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