【摘要】 介绍了虚拟仪器的概念和一个实用数据采集系统。通过软、硬件技术组合，实现了对多路各种类型模拟量的信号采集处理。充分发挥虚拟仪器的优势，采用模块化设计软件方法，设计出独立于设备类型，接口类型的应用软件。该系统可以满足仪器测试任务多样化的需求。更多还原

【Abstract】 The concept of a virtual instrument and its data acquisition system are represented in this paper. Through the technical composition of hardware software, the signal acquisition and processing of various kinds of simulation parameters from multiple channels are realized. Making full use of advantages of the virtual instrument and adopting modular programming design method, the applicable softwares which are independent of equipment and interface types are developed. This system can satisfy the multiple requirements of test tasks.更多还原