本文主要介绍利用模数转换器提高模拟信号线性度的简单方法。该方法具有线路简单,校准容易等优点。特别适合数字仪表和智能化控制系统中作非线性校准用,大大提高仪器和系统的精度。 This article focuses on the use of analog-to-digital converter to improve the analog signal linearity of a simple method. The method has the advantages of simple circuit and easy calibration. Particularly suitable for digital instrumentation and intelligent control system for non-linear calibration, greatly improving the accuracy of instruments and systems.