1、练习使用Multisim仿真软件。 2、设计AM、DSB、SSB三种调幅和解调的仿真电路，并利用计算机仿真软件Multisim对所设计的仿真电路进行仿真分析： -Practice using Multisim simulation software. 2, the design of AM, DSB, SSB three kinds of amplitude modulation and demodulation simulation circuit and the use of c

此程序是对线性调频信号进行的仿真，并在此基础上进行解调，画出了解调后的幅度谱。很适合对线性调频信号进行理解和研究。-This program is a simulation of the linear FM signal, and demodulates this basis, draw about the amplitude modulation spectrum. It is suitable for linear FM signals understanding and research.

OFDM系统的整个模型仿真，采用DQPSK调制和解调，输出误码率的程序。-The simulation model of the entire OFDM system, the programme of output error rate