基于TINA-TI的心音听诊电路实验教学仿真研究  

Experimental Teaching Simulation Study of Heart Sound Auscultation Circuit Based on TINA-TI

作　　者：张冰洋 黄霞 ZHANG Bingyang;HUANG Xia(Experimental Teaching and Laboratory Management Center,South-central University for Nationalities,Wuhan 430074,China)

机构地区：[1]中南民族大学实验教学与实验室管理中心,武汉430074

出　　处：《电气电子教学学报》2022年第3期165-168,共4页Journal of Electrical and Electronic Education

基　　金：中央高校基本科研业务费专项资金项目(CZQ20019);中南民族大学教学研究项目(JYX20120);中南民族大学实验室开放与技改项目(JG2019025)。

摘　　要：以TINA-TI提供的电压发生器构建心音信号仿真信号源,利用电压控制电流源构建麦克风传感器模型。在此基础上,设计心音信号调理电路并进行电路仿真和分析。实践表明,该实验通过虚拟仿真分析,能够有效指导实际电路的设计和制作,取得了很好的实验教学效果。A simulation signal source of heart sound signal is constructed by TINA-TI voltage generator and a microphone sensor model is constructed by using voltage control current source.On this basis,the heart sound signal amplification and filtering circuit is designed,and the circuit simulation and analysis are carried out to guide the actual circuit design.Practice shows that the experiment can effectively guide the design and manufacture of practical circuits through virtual simulation analysis,and achieve good experimental teaching results.

关 键 词：心音信号 仿真信号源 滤波器 

分 类 号：TN710[电子电信—电路与系统] TP391[自动化与计算机技术—计算机应用技术] G642.423[自动化与计算机技术—计算机科学与技术]