“数字信号处理”“口袋实验室”的设计与实践  

Design and Teaching Practice of "Pocket Laboratory" for Digital Signal Processing Course

作　　者：丑永新[1] 刘继承 杨海萍[1] 谢启[1] 陈飞[1] CHOU Yongxin;LIU Jicheng;YANG Haiping;XIE Qi;CHEN Fei(School of Electrical and Automatic Engineering,Changshu Institute of Technology,Suzhou 215500,China)

机构地区：[1]常熟理工学院电气与自动化工程学院,苏州215500

出　　处：《电气电子教学学报》2024年第5期149-153,共5页Journal of Electrical and Electronic Education

基　　金：国家自然科学基金青年基金项目(61901062);江苏高校‘青蓝工程’资助;2022年江苏省产教融合一流课程;第二批江苏省级一流本科课程(线下课程);江苏高等教育“电子信息类专业建设、课程建设、教学研究”(2024JSDZJG65)。

摘　　要：针对“数字信号处理”课程存在实践环节薄弱等问题,研制“口袋实验室”开展理论和实践一体化教学。设备以软硬件开源的Wemos D1 mini单片机为核心,以人体心电脉搏信号研究对象,采用模块化设计思想,具有性价比高、可扩展性强、便携性好等优点。同时,重构知识体系及教学内容,开发教学资源,开展理实一体化教学改革与实践。教学实践结果表明学生的数字信号处理能力得到有效提升,教学效果良好。Aiming at the problems of weak practical links in the existing teaching mode of Digital Signal Processing course,a "pocket laboratory" was developed for the integrated teaching of course theory and practice.The device is developed based on the open source Wemos D1 mini single-chip microcomputer of software and hardware,the human's ECG and pulse signals are employed as the research objects.It adopts the modular design idea,and has the advantages of high cost-effectiveness,strong scalability,portability and so on.Meanwhile,the knowledge system and teaching content are reconstructed,and the teaching resources is developed.The "pocket laboratory" is utilized in teaching and practice reform.The results of teaching practice show that students' digital signal processing ability is effectively improved,and the teaching effect is better.

关 键 词：数字信号处理 口袋实验室 理实一体化教学 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]