function tiaoxing(bochang,N,m,L,handles) fcC?1M[BP~
global n TP5?%SlJ
global point mAFVjSa2
k=2*pi/bochang; h"-}BjL
a=m*1e+006; OGjeE4
deltax=2*a/point;%取单位长度 <f'2dT@6
xx=-a:deltax:a; Y8fahQ#
L=L*1e+006; '[6o(~*
nn=length(xx); h{sY5d'D
u=ones(1,nn); q[}[w! to
jj=1:nn; ;~ >E^0M
for n=1:N %进行迭代 o=,q4;R'
.$k2.-k
for b=1:nn \40d?N#D
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... H3?HQ>&O7
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% #n[1%8l,
pNHO;N[&
end ;AwQpq>dy
m#(tBfH[
ma=max(uu);%归一化 Ofyz,%
|Q
uu=uu./ma; g7|$JevR0
u=uu; l5m5H,`
axes(handles.axes1); ly{Q>MBM
plot(xx,abs(u)) l u^fKQ
axes(handles.axes2); ^lP_{c
plot(xx,angle(u)) ;I#S m;
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 RRNoX}
End