function tiaoxing(bochang,N,m,L,handles) 6_ ]8\n
global n r~[B_f!
global point "/y|VTV"
k=2*pi/bochang; CZfE
|T~
a=m*1e+006; A\C'dZ <N
deltax=2*a/point;%取单位长度 c
*1S}us
xx=-a:deltax:a; AP
;*iyQ[
L=L*1e+006; yjeL9:jH[
nn=length(xx); M c@GH
u=ones(1,nn); I{<;;;a
jj=1:nn; 1(pjVz&
for n=1:N %进行迭代 _ _=s'
08io<c,L
for b=1:nn O0zi@2m?B
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... x@ 6\Ob
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% %1Jd^[W
k.{G&]r{
end O*4gV }:G
TMY{OI8 a
ma=max(uu);%归一化 Gt5$6>A
uu=uu./ma; SW=aHM
u=uu; #4q1{)=
axes(handles.axes1); Q;@X2JSp
plot(xx,abs(u)) .$^wy3:F"
axes(handles.axes2); <O
bH f`Q
plot(xx,angle(u)) %/md"S
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 .m!s". ?[
End