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个人计算机配备相应的硬件、驱动程序和应用软件可组成功能强大的虚拟测试和控制系统。虚拟仪器可以实现传统仪器的功能 ,而且具有功能强大、使用灵活、价格低廉、容易升级、易联网等特点 ,已广泛用于工业、教育等多个领域 ,是测控仪器的发展方向。介绍了基于PC总线的虚拟测控仪器的发展历程、虚拟测控的软硬件技术 ,并对虚拟仪器的发展前景作出展望
Personal computers equipped with appropriate hardware, drivers and application software form a powerful virtual test and control system. The virtual instrument can realize the function of the traditional instrument, and has the characteristics of powerful functions, flexible use, low price, easy upgrade, easy networking and the like, and has been widely used in many fields such as industry and education and is the development direction of the measurement and control instruments. The development history of virtual measurement and control instruments based on PC bus and the hardware and software technology of virtual measurement and control are introduced. Finally, the prospect of the development of virtual instruments