DSB调制解调，并且加入了高斯白噪声和带通滤波器，模拟了完整的系统-DSB modem, and joined the Gaussian white noise and band-pass filter to simulate a complete system

给出了通信原理课程的相关实验程序源码，包括DSB、ASK，抽样及其滤波、信噪比分析及眼图。-Communication Theory courses give the experimental procedures related to the source, including DSB, ASK, sampling and filtering, signal to noise ratio analysis and eye diagra

利用matlab对am，dsb，ssb，ask，fsk，bpsk信号进行正交调制解调仿真，并在不同信噪比条件下对其数字信号进行了误码率的计算。-Using matlab to am, dsb, ssb, ask, fsk, bpsk orthogonal signal modulation and demodulation simulation, and signal to noise ratio in different condit

信号处理相关函数及作图（时域图和频域图） 包括AM、DSB、SSB、ASK、MASK、QPSK等-signal functions including AM、DSB、SSB、ASK、MASK、QPSK