【摘要】 结合一个虚拟信号发生器的设计与实现,介绍了虚拟仪器技术的基本概念、发展现状及其主要特点,并与传统仪器在使用性能、维护等方面进行了比较。通过开发某一虚拟信号发生器的流程,重点阐述了基于美国NI公司的软件开发平台Labwindows/CVI的设计方法和实现技术。最后,论述了虚拟仪器技术在测试领域中的应用,并展望其良好的发展前景。更多还原

【Abstract】 Combined the design and implementation of a virtual signal generator,the basic concept,developmental status and principal properties of virtual instrument technique is introduced.Comparison between virtual instrument and traditional instrument in the aspect of the performance and maintenance is carried out.The virtual instrument design method and the implementation technique based on Labwindows/CVI platform is illustrated by developing a virtual signal generator.The application of virtual instrument in the field of testing is discussed,and its promising prospect is also demonstrated.更多还原