介绍了多功能测试系统的层次结构及工作原理,详细讨论了数据采集模块、数据存储模块、USB2.0 接口等系统硬件的功能及其设计,最后对系统软件结构、驱动程序以及虚拟仪器软件的设计作了详细分析。关键词:测试系统;数据采集模块;数据存储模块;USB 2.0Abstract: Firstly, the hierarchy and work principle of the multifunctional testing system basedon USB 2.0 are introduced in this article. Then taking data acquisition module,data storagemodule , USB 2.0 interface for example,it discusses in detail the function and design of thesystem hardware. In the end,the system software structure,the design of instrument driver and virtual instrument software are analyzed in detail.Key words: Testing System;Data Acquisition Module;Data Storage Module;USB 2.0
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