基于FPGA的电流采集系统设计

在大气垂直探测仪干涉调制系统中，为满足摆动扫描电机驱动反射镜扫描时的稳定性要求，提出一种应用于空间遥感仪器的电流采集系统设计。在现场可编程门阵列控制下，使外围电路协同工作，实现对电机电流输出信号进行连续采样、存储及传输。实验结果表明，通过该系统采集获取的电流波形与理论分析相一致，并且具有较高的稳定性。

Design of Current Acquisition System Based on FPGA

In atmospheric interference modulation system of vertical detection,this paper presents a current acquisition system design which is applied in space remote sensing instruments according to the stability of the scan mechanism of mirrors driven by oscillating motor in sounder.The peripheral circuit can work together harmoniously under the control of Field Programmable Gate Array（FPGA）,and the output of current signals of oscillating motor can be sampled and transferred.Experimental result shows that the current waveform get by this system is consistent with theoretical analysis,and it has high stability.