function tiaoxing(bochang,N,m,L,handles) !H ~<
global n &8z[`JW,T
global point mQY_`&Jq
k=2*pi/bochang; $jg*pmR-
a=m*1e+006; f"St&q>[s
deltax=2*a/point;%取单位长度 n/h,Lr)Z
xx=-a:deltax:a; L:z?Zt)|
L=L*1e+006; Y*!qG
nn=length(xx); 8HP6+c%
u=ones(1,nn); Op_RzZP`
jj=1:nn; KG=h&
for n=1:N %进行迭代 5sb\r,kW
,~"$k[M
for b=1:nn LGl2$#x
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... wR^ RM(1
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% [w -l?
t
89!Ihk
end q=#}
yEG
G8;w{-{m
ma=max(uu);%归一化 bP^Je&nS*
uu=uu./ma; ;v$4$D]L
u=uu; =dFv/F/RW
axes(handles.axes1); [3@):8
plot(xx,abs(u)) 1n@8Kv
axes(handles.axes2); \.3D~2cU
plot(xx,angle(u)) n+PzA[
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 DS'n
End