function tiaoxing(bochang,N,m,L,handles) BrMp_M
global n [(EH
global point ]},Q`n>$
k=2*pi/bochang; F{~r7y;0
a=m*1e+006; sNmC#,
deltax=2*a/point;%取单位长度 =2]rA
xx=-a:deltax:a; .+L_!A
L=L*1e+006; Z;SG<
nn=length(xx); '4lT*KN7\
u=ones(1,nn); fUKdC\WL
jj=1:nn; T-2p`b}hW
for n=1:N %进行迭代 / !
ur,"K'w
for b=1:nn #s
R0*
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... pjs9b%.
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% zn;Hs]G
Q[Sd
end SOQ-D4q
pMZf!&tM
ma=max(uu);%归一化 ]op^dW1;0_
uu=uu./ma; wt=>{JM
u=uu; \R>5F\ 0
axes(handles.axes1); Fp6[W5>(-
plot(xx,abs(u))
uC*:#[
axes(handles.axes2); QD;f~fZ
plot(xx,angle(u)) /xm#:+Sc
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 q|$>H6H4b
End