| oy87188 |
2019-04-11 18:15 |
zernike多项式的matlab编程表示图例
采用matlab编程，其主函数如下，可以模拟各阶的zernike多项式： Mf f_j0D
%Display the Zernike function Z(n=5,m=1)
{pd%I
clc fR_)e:
clear l.;y`cs
a=5;%%%%%%%%%%Z的阶数下标 /U N%P2>^1
b=1;%%%%%%%%%%Z的阶数的上标 I]~xs0$4#
x = -1:0.01:1; H1s{JJAM>i
[X,Y] = meshgrid(x,x); 6X7r =w
[theta,r] = cart2pol(X,Y); zp% MK+x
idx = r<=1; [|ky~sR r
z = nan(size(X)); o:f=dBmoX
z(idx) = zernfun(a,b,r(idx),theta(idx)); \^|ncu :T
figure(1) lY?TF
pcolor(x,x,z), shading interp rYJt;/RtR}
axis square, colorbar Y^2Ma878
xlabel('X'); >J.a, !
ylabel('Y'); dbB2/R I
title(['Zernike function Z^a_b','(r,\theta)']) ^%IKlj- E
figure(2) 7yeZ+lD
mesh(x,x,z) u'yePJTE
xlabel('X'); 8%arA"#S
ylabel('Y'); rouD"cy
title(['Zernike function Z^a_b','(r,\theta)'])
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