基于MATLAB的AM与FM的调制系统仿真  

Modulation System Simulation Based on MATLAB AM and FM

作　　者：张博文 林君[1] ZHANG Bowen;LIN Jun(Yanbian University,Yanji Jilin 133002)

机构地区：[1]延边大学,吉林延吉133002

出　　处：《河南科技》2020年第34期37-39,共3页Henan Science and Technology

摘　　要：本文通过MATLAB进行AM信号与FM信号的调制系统仿真实验,分析了AM和FM调制的原理,观察了AM、FM信号调制过程中各环节的时域和频域波形。最后,在仿真的基础上分析并比较了这两种调制方式的性能。In this paper,the Modulation system simulation experiment of AM signal and FM signal was carried out by MATLAB,the principle of AM and FM modulation was analyzed,and the time-domain and frequency-domain wave⁃form of each link in the modulation process of AM and FM signal was observed.Finally,the performance of the two modes was analyzed and compared on the basis of simulation.

关 键 词：MATLAB AM调制 FM调制 调制系统 

分 类 号：TN911.3[电子电信—通信与信息系统]