function tiaoxing(bochang,N,m,L,handles) NRa zI _Z
global n =k5O*ql"
global point u>/Jb+
k=2*pi/bochang; =3dd1n;8>
a=m*1e+006; D B(!*6#?
deltax=2*a/point;%取单位长度 myF/_o&Ty
xx=-a:deltax:a; 6eb~Z6n&?
L=L*1e+006; %e(DPX
nn=length(xx); 5,?^SK|'x
u=ones(1,nn); b8!
jj=1:nn; Nka 3H7 `
for n=1:N %进行迭代 Uh+6fE]p
\- 8aTF
for b=1:nn WZ =$c]gG
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... D9!$H!T _
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% &r2\P6J
V=<AI.Z:w
end F>eo.|'
!C ZFbz~:
ma=max(uu);%归一化 Q 3/J @MC
uu=uu./ma; ?C']R(fQ\
u=uu;
k; >Vh'=X
axes(handles.axes1); <6+T&Ov6
plot(xx,abs(u)) *,28@_EwY
axes(handles.axes2); WEtPIHruyt
plot(xx,angle(u)) i&{%} ==7
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 [Y.=bfV!
End
