function tiaoxing(bochang,N,m,L,handles) 9-{.W Z
global n /160pl4
global point 5G2ueRVb
k=2*pi/bochang; 6IK>v*<
a=m*1e+006; >2K'!@~'
deltax=2*a/point;%取单位长度 $!p2Kf>/Q
xx=-a:deltax:a; # ^,8JRA
L=L*1e+006; =s:kC`O
nn=length(xx); r&v!2A]:
u=ones(1,nn); P^Og(F8;
jj=1:nn; s H'FqV,)
for n=1:N %进行迭代 &09~ D8f'
)iIsnM
for b=1:nn oMM@{Jp
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... K0'p*[yO/j
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;%
rKOa9M
D=D.s)ns*
end I
WT|dA >
DN*M-o9
ma=max(uu);%归一化 9.~_swkv
uu=uu./ma; 0RCp
u=uu; &Nr+-$
axes(handles.axes1); * >NML]#0
plot(xx,abs(u)) ~(c<M>Q8
axes(handles.axes2); 6P(jc
plot(xx,angle(u)) 3h o'\Ysu/
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 ZX+0{E8a
End