function tiaoxing(bochang,N,m,L,handles) 0)Rw|(Fpo]
global n .+y>8h3{
global point #a| L3zR5v
k=2*pi/bochang; Gg\G'QU
a=m*1e+006; Q,Z*8FH=
deltax=2*a/point;%取单位长度 Px M!U!t
xx=-a:deltax:a; M}DH5H"s
L=L*1e+006; ?zq+jLyo
nn=length(xx); ni
u=ones(1,nn); dSIH9D
jj=1:nn; /,5Z-Z*wq
for n=1:N %进行迭代 Rq~t4sA:
Lt#'W
for b=1:nn Lc<eRVNd,
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... E?PGu!&u
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% 8 _d-81Dd
nzX@:7g
end Uz%Z&K
? 81X
ma=max(uu);%归一化 lEPAP|~uw
uu=uu./ma; [O-sVYB
u=uu; d~ng6pA
axes(handles.axes1); vMSW$Bx ;
plot(xx,abs(u)) &jV_"_3n
axes(handles.axes2); %Hi~aRz
plot(xx,angle(u)) 'ul\Q`N3
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 l{P\No
End