非常感謝啊,我手上也有zernike多項(xiàng)式的擬合的源程序,也不知道對不對,不怎么會有
+OmSR*fA0 function z = zernfun(n,m,r,theta,nflag)
LKZI@i) %ZERNFUN Zernike functions of order N and frequency M on the unit circle.
>tzXbmFp; % Z = ZERNFUN(N,M,R,THETA) returns the Zernike functions of order N
E.3}a>f % and angular frequency M, evaluated at positions (R,THETA) on the
d7P @_jO6 % unit circle. N is a vector of positive integers (including 0), and
,+RO 5n % M is a vector with the same number of elements as N. Each element
r?TK@^z % k of M must be a positive integer, with possible values M(k) = -N(k)
f#t^<`7 % to +N(k) in steps of 2. R is a vector of numbers between 0 and 1,
S#9SAX [ % and THETA is a vector of angles. R and THETA must have the same
MD)"r>k % length. The output Z is a matrix with one column for every (N,M)
?Sqm`)\>4 % pair, and one row for every (R,THETA) pair.
85
hYYB0v %
75HL % Z = ZERNFUN(N,M,R,THETA,'norm') returns the normalized Zernike
m0"\3@kB % functions. The normalization factor sqrt((2-delta(m,0))*(n+1)/pi),
{;E/l(HNI % with delta(m,0) the Kronecker delta, is chosen so that the integral
-(.7/G'Vk> % of (r * [Znm(r,theta)]^2) over the unit circle (from r=0 to r=1,
12a #]E % and theta=0 to theta=2*pi) is unity. For the non-normalized
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6F % polynomials, max(Znm(r=1,theta))=1 for all [n,m].
)8SP$ %
k
))*z FV % The Zernike functions are an orthogonal basis on the unit circle.
%np#Bv-L % They are used in disciplines such as astronomy, optics, and
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