| 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： k
zhek >
%Display the Zernike function Z(n=5,m=1) \UI7H1XDH
clc =,0E]M Z
clear ]HP
aM
a=5;%%%%%%%%%%Z的阶数下标 TIg 3'au
b=1;%%%%%%%%%%Z的阶数的上标 {g?$u
x = -1:0.01:1; +'abAST
t
[X,Y] = meshgrid(x,x); & ?mH[rG"
[theta,r] = cart2pol(X,Y); .__X- +^
idx = r<=1; #C1u~db
z = nan(size(X)); 8kQ
>M
z(idx) = zernfun(a,b,r(idx),theta(idx)); YEoQIR
figure(1) 6[kp #
pcolor(x,x,z), shading interp u8pJjn;
axis square, colorbar c>~"Z-VtX
xlabel('X'); dxkq*
ylabel('Y'); SwV{t}I
title(['Zernike function Z^a_b','(r,\theta)']) zhH-lMNj-
figure(2) +E7s[9/r
mesh(x,x,z) &g R+D
xlabel('X'); YaJ[39 V
ylabel('Y'); & w sxH4
title(['Zernike function Z^a_b','(r,\theta)'])
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