采用PT100作为温度传感器,以单片机为核心器件的低成本高精度温度巡回检测系统.本系统主要从工程实际出发,采用分组三线制,既消除引线电阻的影响又达到简化外部电缆接线的目的,对元件选择、电路设计以及提高系统可靠性作了探讨,软件方法采用分段线性化处理,确保测量准确可靠、低成本、高精度. -PT100 used as a temperature sensor, single-chip microcomputer as the core device in the low-cost high-preci

分段线性插值法，用于数据采集计算的经典算法-Piecewise linear interpolation method for the calculation of the classical algorithm for data acquisition

在DSP上实现灰度拉伸，使用的是最简单的分段线性变换函数，提高了图像处理时灰度级的动态范围。-In the DSP to achieve gray stretch, using the simplest piecewise linear transformation function, improved image processing gray-level dynamic range.

汽车仪表的分段线性插值函数程序，带断电处理函数，非常实用。-Piecewise linear interpolation function of automobile instrument, with power function, very useful.