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为了精确地测量一个原始变量而校验压力传感器时,常常必须计算干扰变量。例如,一个压力传感器的输出信号依赖于所测压力和环境温度,这就需要有一个二维校验系统,以发挥传感器的最大能力。本文描述了采用八位微型计算机处理包含一个干扰变量的校验数据的程序。带系数的内插多项式是干扰变量本身的多项式,它适合于两种方式的校验数据。第一种方式是将多项式系数存入微型计算机只读存
In order to calibrate the pressure sensor in order to accurately measure a raw variable, it is often necessary to calculate the disturbance variable. For example, the output of a pressure sensor depends on the measured pressure and the ambient temperature, which requires a two-dimensional calibration system to maximize the sensor’s ability. This article describes a program that uses eight-bit microcomputer to process calibration data containing a disturbance variable. The interpolation polynomial with coefficients is a polynomial that perturbs the variables themselves and is suitable for both ways of verifying data. The first way is to save the polynomial coefficients in a microcomputers read-only memory