function tiaoxing(bochang,N,m,L,handles) M[YFyM(
global n Zg(Y$ h\
global point 1Qf}nWy
k=2*pi/bochang; YoKyiO!
a=m*1e+006; H,X|-B
deltax=2*a/point;%取单位长度 UlE%\L0GD&
xx=-a:deltax:a; fj5g\m
L=L*1e+006; qMNWw\k
nn=length(xx); +hmFFQQ}
u=ones(1,nn); /^BC
Qaj
jj=1:nn; V;XKvH
for n=1:N %进行迭代 "lL+Heq>V
-Qn7+?P
for b=1:nn LEgP-sW
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... +&`W\?.~
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% &oS$<
k k3^m1
end sV
MCT1ZZpPr
ma=max(uu);%归一化 M`Er&nQs
uu=uu./ma;
|/*Pimk
u=uu; mUh]`/MK$
axes(handles.axes1); #]@HsVXh7
plot(xx,abs(u)) d qn5G!fI
axes(handles.axes2); Bvn3:+(47
plot(xx,angle(u)) \j>7x
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 e{P v:jl
End