function tiaoxing(bochang,N,m,L,handles) N^^0j ,
global n nK&]8"
global point !e$gp (4
k=2*pi/bochang; ,Q`qnn&
a=m*1e+006; Bq0 \T
0,
deltax=2*a/point;%取单位长度 U ZZJtQt
xx=-a:deltax:a; X/!_>@`7?
L=L*1e+006; O&`.R|v
nn=length(xx); WJ7|0qb
u=ones(1,nn); xO$P
C,
jj=1:nn; YJi%vQ*]
for n=1:N %进行迭代 ;*K4{wvG
(8 nv&|
for b=1:nn BD g]M/{
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... ` `o]i{x
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% v=`yfCX-qX
lQA5HzC\
end I[Ra0Q>([k
5&Oc`5QD
ma=max(uu);%归一化 +A9~h/"kt
uu=uu./ma; %p Wn9
u=uu; AerU`^
axes(handles.axes1); %>_[b,
plot(xx,abs(u)) :1v,QEb\
axes(handles.axes2); &H(yLd[
plot(xx,angle(u)) {C1crp>q
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 : qYp%Ub
End
