摘要
该文提出了一种基于手机的电磁波实验教学设计,将手机变身为微波功率计,利用Wi-Fi路由器作为发射信号源,开展电磁波传播特性、电磁波极化特性和电磁屏蔽效能的实验学习。该实验设备普及、操作简便且实验时间和地点不受限制,能够满足互联网时代学生的多样化学习需求;另外,该实验设计结合生活实践,鼓励学生自由发挥,对提升学习兴趣、培养创新思维有积极作用。
In this paper,a new experimental teaching design of electromagnetic wave is proposed,in which the mobile phone is transformed into a microwave power meter and Wi-Fi router is used as the transmitting signal source.The experiment is used to study the electromagnetic wave propagation characteristics,electromagnetic wave polarization characteristics and electromagnetic shielding efficiency.The experimental equipment is popular,easy to operate,and the time and location of the experiment are not limited,which can meet the diversified learning needs of students in the Internet era.In addition,the experimental design is combined with life practice and encourages free play,which plays a positive role in promoting learning interest and cultivating innovative thinking.
作者
刘贤峰
杨德强
陈波
潘锦
LIU Xianfeng;YANG Deqiang;CHEN Bo;PAN Jin(School of Electronic Science and Engineering,University of Electronic Science and Technology of China,Chengdu 611731,China)
出处
《实验科学与技术》
2023年第4期70-74,共5页
Experiment Science and Technology
基金
国家自然科学基金创新研究群体项目(61721001)。
关键词
电磁波
手机
线上教学
实验设计
electromagnetic waves
mobile phones
online teaching
experimental design
