一、前言目前国内外传感器多用迟滞、非线性、重复性等指标评定其技术性能的好坏。本文拟就非线性在计算方法上的一些问题,提出来加以探讨。非线性的含义是这样的,即在规定条件下传感器校准曲线与理想直线的不一致性。但是非线误差的计算方法较多,常用的有理想直线法,平均选点法,平移端基法最小二乘法等,目前一般工厂都沿用理想直线法或平均选点法,根据几年的实践两种方法概念不同但计算方法和结果完全 I. Introduction At present, sensors at home and abroad use hysteresis, nonlinearity, repeatability and other indicators to assess the technical performance of the good or bad. This article intends to discuss some of the non-linear calculation methods. The meaning of non-linearity is such that under specified conditions, the sensor calibration curve and the ideal line of inconsistency. However, there are many calculation methods for nonlinear errors. Commonly used methods such as ideal straight line method, average point selection method, translation end-base method and least-square method, etc. At present, most factories follow ideal straight line method or average point selection method, The concepts of the two methods are different but the calculation method and the result are complete