摘要
介绍了虚拟仪器的概念及虚拟仪器的形成,提出一种新型的数字相位计———基于虚拟仪器技术的数字相位计。介绍了该数字相位计的硬件部分和软件部分的设计,并详述了软件部分各个模块的功能,这些模块包括主控模块、数据采集模块、界面表现模块、功能实现模块、辅助功能模块。同时阐述了相位差的测量原理,并给出了该相位计的实验结果,最后对实验结果的误差进行了分析。
This article introduced the conception and structure of virtual instrument and presented a new kind of digital phasemeter based on virtual instrument technology. It also introduced the design of hardware and software and the function of all modules. The modules included main control, data acquisition, interface, function-realizing, and assistant function.Meanwhile, the theory of measuring phase difference was discussed in detail, and the results of experiment were given. Finally, the error of the experimental results was analyzed.
出处
《中国测试技术》
2006年第1期38-41,共4页
CHINA MEASUREMENT & TESTING TECHNOLOGY
关键词
虚拟仪器技术
相位差
功能模块
数字相位计
Virtual instrument technology
Phase difference
Function module
Digital phasemeter
