tianxian.m

来自「这是一些自己几个月的劳动成果」· M 代码 · 共 26 行

phi0=0.15;
eps = 0.0000001;
angle = -pi:0.01:pi;
y1=sinc(angle + phi0);
y2=sinc(angle - phi0);
ysum=y1+y2;
ydif=-y1+y2;
subplot(221);plot(angle,y1,'k',angle,y2,'k');
grid;
xlabel('(a)           角度(radians)');
ylabel('偏移通道');
subplot(222);plot(angle,ysum,'k');grid;
xlabel('(b)           角度(radians)');
ylabel('和通道');
subplot(223);plot(angle,ydif,'k');grid;
xlabel('(c)           角度(radians)')
ylabel('差通道')
angle=-pi/4:0.01:pi/4;
y1=sinc(angle + phi0);
y2=sinc(angle - phi0);
ydif=-y1+y2;
ysum=y1+y2;
dovrs=ydif ./ ysum;
subplot(224);plot(angle,dovrs,'k');grid;
xlabel('(d)           角度(radians)')
ylabel('电压增益')