td_fir.m

上传的是一个16Qam预失真处理的程序

IBO_ideal = [3:1:14];
TD_ideal = IBO_ideal;

IBO_HPA =[8:1:14];
TD_HPA = [11.2 10.5 10.7 11.3 12.2 13.1 14];
xx_IBO_HPA = 8:0.25:14;
yy_TD_HPA = spline(IBO_HPA,TD_HPA,xx_IBO_HPA);

IBO_PD = [4.5 5 6 7 8 9 10 11 12 13 14];
TD_PD= [7.4 6.4 6.6 7.4 8.1 9 10 11 12 13 14];
xx_IBO_PD = 4:0.25:14;
yy_TD_PD = spline(IBO_PD,TD_PD,xx_IBO_PD);


figure(1);
plot(IBO_ideal,TD_ideal,xx_IBO_HPA,yy_TD_HPA,...
  xx_IBO_PD,yy_TD_PD);


IBO_secant = [4 4.5 5 6 7 8 9 10 11 12 13 14];
TD_secant = [5.5 5.25 5.65 6.4 7.2 8.1 9 10 11 12 13 14];
xx_IBO_secant = 4:0.25:14;
yy_TD_secant = spline(IBO_secant,TD_secant,xx_IBO_secant);

IBO_newton = [4 4.5 5 6 7 8 9 10 11 12 13 14];
TD_newton = [5.2 5.1 5.4 6.1 7 8 9 10 11 12 13 14];
xx_IBO_newton = 4:0.25:14;
yy_TD_newton = spline(IBO_newton,TD_newton,xx_IBO_newton);

figure(2);
plot(IBO_ideal,TD_ideal,xx_IBO_HPA,yy_TD_HPA,...
  xx_IBO_PD,yy_TD_PD,xx_IBO_secant,yy_TD_secant,...
  xx_IBO_newton,yy_TD_newton);