function tiaoxing(bochang,N,m,L,handles) $L<_uqSk
global n 4pfix1F g
global point :|n>H+Y
k=2*pi/bochang; Kc JP^
a=m*1e+006; :Fi%Cef|
deltax=2*a/point;%取单位长度 c:h.J4mv
xx=-a:deltax:a; 6mI_Q2
L=L*1e+006; (PsSE:r}+
nn=length(xx); BDRYip[Sa
u=ones(1,nn); -CU7u=*b
jj=1:nn; u/!mN2{Rd
for n=1:N %进行迭代 a O"nD_7
e\d5SKY
for b=1:nn <iXS0k
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... D_yY0rRM
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% /+<%,c$n
5,0wj0l
end L!8 -:)0b
qSpa4W[
ma=max(uu);%归一化 6uCk0
B|
uu=uu./ma; Kbz7
u=uu; zCGmn& *M
axes(handles.axes1); =XacG}_
plot(xx,abs(u)) U2[3S\@
axes(handles.axes2); 0'V-
plot(xx,angle(u)) skR,M=F~
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 ZHiICh|et%
End