基于工程实例的DFT教学实践与探索  

Exploration on DFT Teaching Practice Based on Engineering Examples

作　　者：王静[1] 杨玲君[1] 刘开培[1] WANG Jing;YANG Ling-jun;LIU Kai-pei(School of Electric Engineering and Automation,Wuhan University,Wuhan 430072,China)

机构地区：[1]武汉大学电气与自动化工程学院,湖北武汉430072

出　　处：《电气电子教学学报》2021年第1期69-72,共4页Journal of Electrical and Electronic Education

基　　金：武汉大学教学研究项目“面向卓越工程师的电气工程专业课程专题模块化教学改革”(编号:2018JG105)。

摘　　要：离散傅立叶变换是“信号与系统”课程的重要知识点,并且在工程领域得到了广泛的应用。本文通过在课堂教学中引入工程应用案例,设计实践教学环节,探讨工程理念指导下的教学新方法。教学实践表明,将理论知识与工程实例紧密联系的教学方法,可以提高学生的学习兴趣,培养学生科研创新的能力,教学效果良好。Discrete Fourier transform is an essential part of Signals and System and has been widely used in engineering fields.This paper helps students understand and master the concept and calculation method of DFT by applying DFT to analyze the spectrum of power system harmonic signals.This teaching method closely links theoretical knowledge with engineering examples.The teaching practice shows that it can improve students'interest in learning and cultivate students'engineering application ability,and has a good effect.

关 键 词：信号与系统 离散傅立叶变换 谐波分析 

分 类 号：TN911[电子电信—通信与信息系统]