基于乘法器的“模数”调制解调实验系统  

Analog-Digital Modulation and Demodulation Experimental System Based on Multiplier

作　　者：邓军[1] 谢凌烟 孟子轲 施颖 DENG Jun;XIE Lingyan;MENG Zike;SHI Ying(School of Electronic Engineering,Xidian University,Xi'an 710071,China)

机构地区：[1]西安电子科技大学电子工程学院,西安710071

出　　处：《电气电子教学学报》2025年第1期218-221,共4页Journal of Electrical and Electronic Education

基　　金：西安电子科技大学教师教育改革与教师发展研究项目(JSFZ2022009);西安电子科技大学研究生教育教学改革研究项目(JGZD2204)。

摘　　要：在大部分高校电子信息类专业的教学中,通信系统的模拟调制解调是在“高频电子线路”课程中介绍,采用模拟乘法器实现;数字调制解调则是在“通信原理”课程阐述,通常采用集成电子开关来实现。学生在学习过程中,很难将二者在技术上的相关性联系起来,于是,设计了一款基于乘法的“模拟+数字”调制解调实验系统,引导学生以“乘法”为核心建立数学模型,使模拟处理方法与数字分析方法有机融合。In most universities,the simulation and demodulation of communication systems are introduced in the course of High-Frequency Electronic Circuits using analog multipliers,while the modulation and demodulation of digital systems are explained in the course of Communication Principles usually with integrated electronic switches.It is difficult for students to connect the technical correlation between the two in the learning process.Therefore,an experimental system based on multiplication is designed to guide students to establish a mathematical model with"multiplication"as the core,integrating analog processing methods and digital analysis methods.

关 键 词：乘法器 调制解调 实验系统 电路设计 

分 类 号：TN76[电子电信—电路与系统]