这是运用LabVIEW图形化编程语言开发虚拟数字滤波器的方法，对数字滤波器原理的分析。提出了利用虚拟仪器软件平台构建数字滤波器的设计思想，并在此基础上开发出了一套数字滤波器实例-This is the use of LabVIEW graphical programming language to develop a virtual digital filter methods, the principle of the digital filter analysis. Proposed the use of virtual instrument software platform for building a digital filter design, and on this basis to develop a set of examples of digital filter