脉冲响应辨识综合教学实验系统开发  

Development of Impulse Response Recognition Experimental Teaching System

作　　者：彭惠芹 PENG Huiqin

机构地区：[1]山西大同大学,037003

出　　处：《中国教育技术装备》2021年第24期19-22,共4页China Educational Technology & Equipment

摘　　要：脉冲响应辨识综合教学实验系统依据课程教学要求,设计的M序列信号发生器由脉冲源电路模块、反馈移位寄存器电路模块、整形电路模块及衰减电路模块构成,二阶系统模块由运算放大器和部分电阻电容构成,配合STM32软件编程和采用TFT液晶屏,构建脉冲响应辨识显示系统。实验系统采用MATLAB仿真进行M序列参数的估算,Protel做电路原理图绘制,Multisim用作系统模块电路的仿真。系统实测表明:实验内容可以覆盖自动控制、电子技术、单片机、电路仿真等特定的知识点,具有适应学科知识交叉渗透的实用价值和培养学生实际操作能力的教学使用价值。经过统计,系统可以实现教学实验20多项。Impulse Response Recognition Experimental Teaching System consists of msequence generator, impulse generator block, feedback register shifting circuit block, wave-shaping circuit block and attenuation circuit block, according to the teaching requirements of the course. Two-order system block is constructed via operational amplifiers, resistors and capacities. By utilizing STM32 and TFT screen, impulse responses recognition and display system is designed. The experimental system realizes Estimation of M sequence parameters on MATLAB platform, the circuit schema is designed on Protel, and the circuit simulation verifying is assigned to Multisim. The system measurement indicates: the content of experimen t can perK =Kfectly include automatic control, electronic technology, microc1·Kontroller, circuit simulation and other specific knowledge fields, which has the practical values of adapting to the cross-penetration of subject knowledge and the teaching value of cultivating students’ practical operation ability. According to statistics, this system can fulfill more than 20 experimental requirements.

关 键 词：脉冲响应辨识综合教学实验系统 MATLAB M序列信号发生器 反馈移位寄存器电路 二阶系统 

分 类 号：G642.0[文化科学—高等教育学]