在matlab环境下实现通信系统中的BPSK，QPSK，16QAM，调制。成型滤波和匹配滤波都采用根升余弦函数。-In the matlab environment to achieve communication system BPSK, QPSK, 16QAM, modulation. Shaping filter and matched filter are used root raised cosine function.

汉明码编码，通过移位寄存器实现系统循环码编码的过程(the simulation platform with systematic cyclic(7,4,3)HAMMING CODE by employing the shift register structure)