,基于LabVIEW这个软件开发平台。虚拟函数发生器的设计参考了常见信号发生器的功能,在功能上有所扩展。仪器主要功能如下。(Based on LabVIEW, this software development platform. The design of virtual function generator refers to the function of common signal generator, and expands in function. The main functions of the instrument are as follows.)