function tiaoxing(bochang,N,m,L,handles) <CFu r
global n {%
P;O ?
global point X 6)L pMm
k=2*pi/bochang; D)5wGp
a=m*1e+006; LdOB[W
deltax=2*a/point;%取单位长度 ze- iDd_y
xx=-a:deltax:a; U^xFqJY6
L=L*1e+006; t.cplJF&Ue
nn=length(xx); ,O}zgf*H;
u=ones(1,nn); ]Uu/1TTf
jj=1:nn; b{&@ Lm0Tn
for n=1:N %进行迭代 ZU`"^FQ3A
;bX{7j
for b=1:nn =F9-,"EAI
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... { T.VB~C
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% L-XTIL$$
WCH>9Z>c j
end G.Q+"+* ^
Sz
=z
TPnO
ma=max(uu);%归一化 7% h Mf$KQ
uu=uu./ma; 5J,vH[E
u=uu; WI%,m~
axes(handles.axes1); tm$3ZzP4
plot(xx,abs(u)) !Ej<J&e
axes(handles.axes2); IoC,\$s ,
plot(xx,angle(u)) y3x_B@}BY
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 q45n.A6 a
End
