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分析并实验研究了电涡流传感器的非线性特性，提出了用单片机技术线性化扩展电涡流传感器线性测量范围的方法．对同一电涡流传感器应用该方法扩展后，在同一最小二乘线性度指标下，线性范围从２ｍｍ扩展到４ｍｍ，即线性范围扩展为原来的２倍．
The nonlinear characteristics of the eddy current sensor are analyzed and experimentally studied. A method of extending the linear measurement range of the eddy current sensor linearly with the single chip microcomputer technology is proposed. When this method is extended for the same eddy current sensor, the linear range is expanded from 2mm to 4mm under the same least-squares linearity index, that is, the linear range is doubled.