移相法生成单边带调制信号，对m(t)=sinc^2(t)函数构成的基带信号进行单边带调制,接收端相干解调低通滤波。-ssb_mod_01.m- phase shift method to generate the single sideband modulation signal m (t) = the sinc ^ 2 (t) function constitute the base band signal performs single sideband modulation, the re