function tiaoxing(bochang,N,m,L,handles) a3q\<"|
global n {j?7d; 'j
global point nv"G; W
k=2*pi/bochang; +?;j&p
a=m*1e+006; 9x=3W?K:,
deltax=2*a/point;%取单位长度 &Yp+k}XU
xx=-a:deltax:a; p*|ah%F6N
L=L*1e+006; g a-{!$b*
nn=length(xx); .Gh%p`<
u=ones(1,nn); 2 F1ZAl
jj=1:nn; W;q+, Io
for n=1:N %进行迭代 } W$8M>l
ASW4,% cl
for b=1:nn o(qEkR:4kd
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... zmI5"K"'F
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% "tL2F*F"6X
$jG4pPG
end FI{AZ b_'
66Gx .tE
ma=max(uu);%归一化 ^agj4$
uu=uu./ma; Cxm6TO`-;
u=uu; |5,<jyp
axes(handles.axes1); ~:[!Uyp0b
plot(xx,abs(u)) |3;(~a)%
axes(handles.axes2); R)+t]}
plot(xx,angle(u)) 'T7 x@a`b)
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 >," sHm}l%
End
