show_s11.m

一个用C＋＋计算微带天线的完整的3D例子

This_file='Patch_S11.txt';


Ez_file='Ez_.txt';
time_file='Time_.txt';
S11_file='S11_.txt';

Ez_file=strrep(Ez_file,'.txt',This_file);
time_file=strrep(time_file,'.txt',This_file);
S11_file=strrep(S11_file,'.txt',This_file);

fid=fopen(time_file,'r');
y=fscanf(fid,'%f %f %f',[2,inf]);
fclose(fid);
figure(1);
plot(y(2,:));

fid=fopen(S11_file,'r');
y=fscanf(fid,'%f',[6,inf]);
fclose(fid);
figure(2);
plot(y(1,:),y(2,:),'b');
hold on;
plot(y(1,:),y(3,:),'r');
hold off;
figure(3);
plot(y(1,:),20*log10(y(6,:)));

fid=fopen(Ez_file,'r');
figure(4);
z=fscanf(fid,'%f',[61,inf]);
surf(z);
fclose(fid);