基于虚拟仪器的电磁频谱自动测量系统

Automatic test system of electromagnetic spectrum based on virtual instrument

介绍了基于RS232总线的电磁频谱自动测试系统。它利用虚拟仪器技术,采用LabVIEW虚拟仪器编程语言,应用模块化的编程方法,设计了一个电磁频谱自动测量系统,并实现了网络发布。使用该系统对电磁环境进行检测,试验结果验证了测量数据的准确性,以及利用此电磁频谱测量系统进行环境监测的可行性。该自动测量系统减少了工作量,提高了测量速度,实现了远程控制和资源共享,可以减少大量仪器设备的经费投入,为电磁频谱分布式测量提供了一种新的现代化手段。

This paper presents an automatic test system for electromagnetic spectrum based on RS232 bus. According to the virtual instrument technology, the paper employs LabVIEW virtual instrument programming language, modulating programming method and related instruments to devise an automatic test system and a network release is realized. Experimental analysis is finished by using virtual instruments. The experimental result is consistent with the theoretical data and shows that this method is feasible. It is also achieved through the automatic test system that the remote control and resource sharing,which can save the financing investment for the mass of equipments and instruments,and provide a modern means for the test of electromagnetic snectrum.