function tiaoxing(bochang,N,m,L,handles) wt'"<UN
global n 9^ C6ZgNS
global point LV0gw"
k=2*pi/bochang; P@n
rcgM.
a=m*1e+006; Rf>V]R
deltax=2*a/point;%取单位长度 ,If"4C!w
xx=-a:deltax:a; [xGL0Z%)t
L=L*1e+006; Z$m&F0g
nn=length(xx); _U*1D*kLI[
u=ones(1,nn); j\Fbi3H
jj=1:nn; H.l
WHM+H4
for n=1:N %进行迭代 nSZp,?^
[{T/2IGq
for b=1:nn ~j!|(a7
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... c^&:':Z%'
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% +:c}LCI9<
+, rm
end xs"\c7pC
bZQ_j#{$
ma=max(uu);%归一化 eSMno_Gt3
uu=uu./ma; LA6Ik_-F
u=uu; HC>k/Gk"
axes(handles.axes1); *_Pkb.3R
plot(xx,abs(u)) mryT%zSlM
axes(handles.axes2); (15.?9
plot(xx,angle(u)) +K;%sAZy
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 oK"#*n
End