function tiaoxing(bochang,N,m,L,handles) .lFSFJ ??
global n !6%G%ZG@3-
global point @\h(s#sn
k=2*pi/bochang; %nC Uct@c
a=m*1e+006; IY19G U9
deltax=2*a/point;%取单位长度 os.x|R]_
xx=-a:deltax:a; 9Ac t<(V
L=L*1e+006; IW1\vfe
nn=length(xx); .Ep3~9TBW
u=ones(1,nn); !K 9(OX2;
jj=1:nn; 5`uS<[vA
for n=1:N %进行迭代 :3t])mL#
g.]'0)DMW
for b=1:nn sXa8(xc
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... NN:TT\!v
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;%
KC(Ug4
3?XLHMxW
end bT8UmR98
I;v`o{
ma=max(uu);%归一化 :mrGB3x{
uu=uu./ma; $G_<YVXcG
u=uu; sy?>e*-{
axes(handles.axes1); )QE_+H}p
plot(xx,abs(u)) G8s`<:9*
axes(handles.axes2); @Y,F&8a$
plot(xx,angle(u)) (=/F=,w
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 kYs|")isj
End