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

模拟线性调制系统的调制和解调原理,编写AM、DSB、SSB调制，并画出时域波形和频谱图-Analog modulation and demodulation principle of linear modulation systems, the preparation of AM, DSB, SSB modulation, and draw time-domain waveform and frequency spec

1.对信源进行AM，DSB,SSB调制 2.信道中各自加入进过带通滤波器后的窄带高斯白噪声,解调每个信号，并画出滤除前后，双边带信号和单边带信号的频谱。-1. Letter source AM, DSB, SSB modulation 2. Add to each channel through the band pass filter into a narrow band Gaussian white noise, each signal demodulated, filtered a