先用Matlab理论仿真，得出滤波器系数。再用Verilog语言在ISE环境下编写程序，通过Modelsim和ChipScope进行波形仿真和引号抓取，从而提高调试的效率。通过手机发送指令来控制上下变频器的参数。(Firstly, the filter coefficients are obtained by simulation with the theory of matlab. Then the program is writte