function tiaoxing(bochang,N,m,L,handles) SbzJeaZv
global n -sZb+2tDa
global point zSU,le
k=2*pi/bochang; R/*"N'nH-%
a=m*1e+006; ';My"/
Z-
deltax=2*a/point;%取单位长度 v Y0ESc{
xx=-a:deltax:a; 0fn*;f8{XJ
L=L*1e+006; q-ko)]
nn=length(xx); !c1M{klP
u=ones(1,nn); F&m9G >r
jj=1:nn; &1?6Q_p6c
for n=1:N %进行迭代 +!E9$U>6%
DV[FZ
for b=1:nn 4>LaA7)v
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... X!mJUDzh]
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% '3Q~y"C+4
&5${k'
end hayJgkZ'
VB#&`]rdo
ma=max(uu);%归一化 4Orq;8!BW
uu=uu./ma; '`.-75T
u=uu; 4,Oa(b
axes(handles.axes1); 8q9ATB-^>
plot(xx,abs(u)) 1X5Yp |Ho
axes(handles.axes2); EhM=wfGKw
plot(xx,angle(u)) :z&kbG
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 v'b%m8
End