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用MATLAB表述线偏振光，椭圆偏振光，圆偏振光陈宝锋2011059010002%线偏振和圆偏振的表述A1=2A2=2t=0:0.0008:0.2;Ex=A1*cos(200*t);Ey=A2*cos(200*t);%ÏßÆ«Õñ¹âÏàλ²îΪ0figuresubplot(121)plot3(Ex,Ey,t)subplot(122)plot(Ex,Ey)Ex=A1*cos(200*t);Ey=A2*cos(200*t+pi);%ÏßÆ«Õñ¹âÏàλ²îΪpifiguresubplot(121)plot3(Ex,Ey,t)subplot(122)plot(Ex,Ey)Ex=A1*cos(200*t);Ey=A2*cos(200*t+pi/2);%ԲƫÕñ¹âÏàλ²îΪ+pi/2ÓÒÐýfiguresubplot(211)plot3(Ex,Ey,t)subplot(212)plot(Ex,Ey)Ex=A1*cos(200*t);Ey=A2*cos(200*t-pi/2);%ԲƫÕñ¹âÏàλ²îΪ-pi/2×óÐýfiguresubplot(211)plot3(Ex,Ey,t)subplot(212)plot(Ex,Ey)%椭圆偏振的表述A1=1A2=2t=0:0.0008:0.2;Ex=A1*cos(200*t);Ey=A2*cos(200*t+pi/4);%ÍÖԲƫÕñ¹âÏàλ²îΪpi/4figuresubplot(121)plot3(Ex,Ey,t)subplot(122)plot(Ex,Ey)t=0:0.0008:0.2;Ex=A1*cos(200*t);Ey=A2*cos(200*t+pi/2);%ÍÖԲƫÕñ¹âÏàλ²îΪpi/2figuresubplot(121)plot3(Ex,Ey,t)subplot(122)plot(Ex,Ey)Ex=A1*cos(200*t);Ey=A2*cos(200*t+3*pi/4);%ÍÖԲƫÕñ¹âÏàλ²îΪ3*pi/4figuresubplot(121)plot3(Ex,Ey,t)subplot(122)plot(Ex,Ey)