探析频率的测量技巧  

Exploring Frequency Measurement Techniques

作　　者：王海梅[1] WANG Haimei(Shaanxi Institute of Technology,Xi'an 710300,China)

机构地区：[1]陕西国防工业职业技术学院,陕西西安710300

出　　处：《数字通信世界》2021年第9期128-130,共3页Digital Communication World

基　　金：陕西国防工业职业技术学院2020年“课程思政”示范课(项目编号:GFSZ-030);国家“双高计划”建设学校课程思政研究与实践课题(课题编号:SGKCSZ2020-960)。

摘　　要：针对大部分高职学生频率测量学习较难的现状,文章系统分析了电子计数器法、李沙育图形法、Multisim仿真频率计法测量频率的适用条件、操作要领、注意事项等。要根据待测的频率信号特征,合理选择的测频方案,勤动手多实践,可以方便、容易的实现频率测量和分析,对于电子测量课程教学和研究有一定的帮助和指导。In view of the diffi culty of learning frequency measurement for most vocational students,the article systematically analyzes the application conditions,operation essentials and precautions of the electronic counter method,Lissajous graph method,and Multisim simulation frequency meter method to measure frequency.According to the characteristics of the frequency signal to be measured,a reasonable selection of frequency measurement schemes,diligent hands-on practice,and frequency measurement and analysis can be realized conveniently and easily,which will provide certain help and guidance for the teaching and research of electronic measurement courses.

关 键 词：频率 电子计数器 李沙育图形法 MULTISIM 

分 类 号：TM935[电气工程—电力电子与电力传动]