基于国产计算机的高精度信号采集系统设计

基于国产计算机平台设计了一种高精度信号采集系统,该系统由信号采集调理模块、计算机系统组成。信号采集调理模块主要由校准电路、信号调理电路、AD采样电路、USB接口电路和控制器FPGA组成;计算机系统主要将采集到的数据显示在BIOS界面和以文本形式显示在操作系统下,采集到的数据可作为设备控制的依据。该系统具有精度高、抗干扰能力强、硬件电路简单、人机交互好等优点。

Design of High Precision Data Acquisition System on Domestic Computer

Based on the domestic computer platforms a high-precision signal acquisition system is designed in this paper.The system consists of signal acquisition module,computer system module.Signal acquisition module is mainly composed of cali-bration circuit,signal conditioning circuit,AD sampling circuit,USB interface circuit and control er of the FPGA.The computer system module is mainly to display the col ected data in BlOS interface and in the operating system in the form of text.The col ected data can also be used as the basis for equipment control.The system has the advantages of high precision,strong anti-interference ability,simple hardware circuit and good human-computer interaction.