基于PXI电量测量虚拟仪表设计

The design of Virtual Instrument of Electric Measurement Based On PXI Bus

为了实现虚拟仪表的远程电量测量,提出了一种基于Internet网络电量测量虚拟仪表的软、硬件设计方法。该方法采用PXI总线和DSP技术,完成高精度嵌入式测量插卡系统的设计;系统利用PXI的优良特性,采用嵌入DSP对采集信号进行数字处理和数据转换,有效地实现对电压、电流的幅值、频率、相位的高精度测量。

This paper introduces a new design method of virtual instrument electricity measurement based on Internet network with hardware and software . this system using fine features of PXI and using embedded DSP to process digital signal and convert data.the result has shown that this system can get high-precision measurement in amplitude,frequency ,aphase of current and voltage.