基于Visual Basic的虚拟振动测试分析系统

Virtual Vibration Testing System Based on Visual Basic

介绍了基于 Visual Basic和动态链接库 DL L 技术构成虚拟振动测试系统的原理方法和编程特点 ,分析了虚拟振动测试系统的实现技术以及一些振动测试模块的组成。开发了虚拟振动测试系统 ,该系统利用虚拟仪器的技术方法 ,可减少测试中的硬件设备 ,并实现对振动信号进行实时采集、处理和分析的目的 ,这是振动测试的发展方向之一。该系统具有功能强大。

This article introduces the fundamental theory,methods and the compiling features of a virtual vibration testing system based on Visual BASIC and Dynamic Link Library(DLL).The technology for implemanting the system is analysed,and some of its blocks are presented,from which a virtual vibration testing system is developed in the work.In the system,real-time data acquisition and analysis can be made with less of measurement hardware by using virtual instrument technology,which indicates the trend in the development of vibration testing systems.Powerful functions and easy to operate are the feature of the system.