Abstract

The basic task of the transducer is to convert non-electric physical quantity into electric physical quantity, and
implement effective linearization processing to the acquired physical quantity and offer ideal data chain for later
measurement circuit. The single variable transmission character of transducer is the quality attributes function about
above tasks, which reflects the corresponding relation between input and output, i.e. the linearization degree between
both physical quantities. Taking a sort of capacitance transducer as the sample, in this article, we put forward a sort of
exact transmission character optimization method of single variable linear correlation analysis with strong operation
feature based on the base of statistics. According to this method, for each sort of transducer, the correlation coefficient
between output and input can be conveniently computed, and the linearization quality of transducer can be evaluated
according to the correlation coefficients, and finally the transducer can achieve ideal linearization level through the
adjustment of structure parameter, which can offer sufficient optimization space for the quantity transmission
character and manufacturing techniques.

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