产生正交的AM信号和FM信号，信号为复信号，含有I路和Q路，FM信号可设置调制指数变量，运行后可看到仿真时域及其频谱图-Generate quadrature AM signal and FM signal, the signal for the complex signal containing I and Q Road Road, FM signal modulation index variable can be set to run after seeing the time-doma