function tiaoxing(bochang,N,m,L,handles) m5sgcxt/
global n z@cL<.0CE
global point JLRw`V,o7
k=2*pi/bochang; `,&h!h((
a=m*1e+006; fAf sKO*
deltax=2*a/point;%取单位长度 e.i5j^5u
xx=-a:deltax:a; !E> *Mn
L=L*1e+006; q]tPsX5{*
nn=length(xx); `7Ni bZX0
u=ones(1,nn); LZyUlz
jj=1:nn; '1=t{Rw
for n=1:N %进行迭代 bzmT.!
GLL,
for b=1:nn *;O$=PE
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... dapQ5JT/
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% mz[rB|v"/7
O GrVy=rd
end :h N*
-.1x! ~.jX
ma=max(uu);%归一化 (M6B$:
uu=uu./ma; 0W9,uC2:N
u=uu; yjpV71!M
axes(handles.axes1); u%#bu^4"
plot(xx,abs(u)) ~d7!)c`z
axes(handles.axes2); DVRE ;+Jt
plot(xx,angle(u)) H(!)]dO
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 X#-U
End