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《Transducer and Microsystem Technologies》 2006-07
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Research on temperature compensation performance for the SnO_2 sensors

CAO Jian-An,LIU Jun-hua,ZHANG Jin-yong(School of Electrical Engineering,Xi'an Jiaotong University,Xi'an 710049,China)  
The change of environment temperature and the variable of the sensor's working temperature take great effect on the detecting precision,the stability and repetition of SnO_2 serial sensors.By controlling the power of internal heating resister with digital PI arithmetic,the sensors work at an invariable temperature,the temperature interfere can be restrained and stability of the sensors can be improved.The experiment results of the detecting gas CH_4 with show the methods can utterly keep the sensors from temperature interfere and enhance the sensor's stability.
【CateGory Index】: TP212
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