function tiaoxing(bochang,N,m,L,handles) xMGd'l?
global n K<9MK>T
global point r
($t.iS
k=2*pi/bochang; E|}Nj}(*
a=m*1e+006; :[?o7%"
deltax=2*a/point;%取单位长度 ?\$/#zak
xx=-a:deltax:a; %+JTQy
L=L*1e+006; zi 14]FWo
nn=length(xx); g}j>;T
u=ones(1,nn); I8>1RXz
jj=1:nn; @8d})X33
for n=1:N %进行迭代 ?S7:KnU>K
]lG\t'R
for b=1:nn kqB00
;
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... P9!]<so
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% D[y|y3F
7ZnQ] ?
end cO+`8`kv
~"B[6^sW
ma=max(uu);%归一化 |*a>6y
uu=uu./ma; wd0ACF
u=uu; (3*Hl
axes(handles.axes1); ?P]md9$(+e
plot(xx,abs(u)) pQ\ [F
axes(handles.axes2); sVnuSm
plot(xx,angle(u)) oOz6Er[KO
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 U#4W"1~iX
End