function tiaoxing(bochang,N,m,L,handles) >V937
global n %RVZD#zr
global point 9z0p5)]n>
k=2*pi/bochang; d1*<Ll9K
a=m*1e+006; TV:9bn?r)
deltax=2*a/point;%取单位长度 :U\tv[
xx=-a:deltax:a; !W\+#ez
L=L*1e+006; dI2
V>vk
nn=length(xx); -} +[
u=ones(1,nn); 2/f}S?@
jj=1:nn; : +u]S2u{
for n=1:N %进行迭代 z{6Z
11|
T+$[eWk"a
for b=1:nn @ 7u 0v
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... =v\.h=~~
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% >sF)BoLc
O2+ 6st
end HsWk*L `y
+_`7G^U?%
ma=max(uu);%归一化 i@q&5;%%
uu=uu./ma; #z(]xI)"
u=uu; *hrvYil2b
axes(handles.axes1); }qUX=s
GG
plot(xx,abs(u)) {_}I!`opr$
axes(handles.axes2); I'Hf{Erw
plot(xx,angle(u)) :]"V-1#}
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 Pfh mo $
End