基于MSP430的磁梯度仪数据采集系统

Data Acquisition of Magnetic Gradiometer Based on MSP430

文中针对磁通门式磁梯度仪,设计了一种以MSP430F5437a为控制器的数据采集系统,实现了磁通门电路输出信号的高精度、超低功耗采集。简要介绍了磁梯度仪原理与电路结构框图。重点在于围绕数据采集系统设计要求,分析了电路元件如何选型,阐述了软件系统总体思路和具体实现细节,介绍了系统抗干扰的软硬件措施。系统经实验验证可实现各项指标要求,在磁场梯度测量中有着良好应用。

Aiming at flux-gate magnetic gradiometer,a data collector system with MSP4305437 a as micro control unit was designed,which is applied to fluxgate magnetic gradiometer. This system achieves data acquisition with high precision and low power consumption. The instrument＇s measurement principle and system circuit structure was briefly introduced. Focused on the design require introduces ments of the data collector,circuit component selection,software system design and anti-interference were measured. The results show that the data Acquisition system could meet design requirements well,and it has good application in the magnetic field gradient measurement.