function tiaoxing(bochang,N,m,L,handles) W~2T/~M
global n lt{yo\
global point UQ.DKUg
k=2*pi/bochang; ))eQZ3ap9
a=m*1e+006; y)0wM~E;2
deltax=2*a/point;%取单位长度 VZEDBZ x*
xx=-a:deltax:a; |!\5nix3A>
L=L*1e+006; H3Sfz'
nn=length(xx); O+*<^*YyD
u=ones(1,nn); >%Nqgn$V
jj=1:nn; 82A[[^`
for n=1:N %进行迭代 bZd)4
5MmSQ_
for b=1:nn ^UiSezcI
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... 8w L%(p
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% Lk:Sju
y-k]Tr
end Ph/!a6y
Yo a|.2f
ma=max(uu);%归一化 4I7;/ZgALQ
uu=uu./ma; ?*: mR|=
u=uu; ^:64(7
axes(handles.axes1); +-OnO7f
plot(xx,abs(u)) Gz@/:dW^vZ
axes(handles.axes2); )]P%=
plot(xx,angle(u)) 4Up\_
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 @o4n!Ip2x/
End