function tiaoxing(bochang,N,m,L,handles) F48`1+
global n ZFdQ Z=.'
global point crhck'?0
k=2*pi/bochang; 5T8 !5EcS*
a=m*1e+006; JL(*peeu3
deltax=2*a/point;%取单位长度 ::M/ s#-@
xx=-a:deltax:a; &`@Jy|N\
L=L*1e+006; n *O/ X
nn=length(xx); 2%@ j<yS
u=ones(1,nn); \8t g7Sdq
jj=1:nn; oW /&X5
for n=1:N %进行迭代 g#70Sg*d
-Xd/-,zPY
for b=1:nn qKSM*k ~
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... x b _C1n
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% 2"i<--Y
F_I! +
end >?$Ze @
FlkAo]
ma=max(uu);%归一化 o oS4F1ta
uu=uu./ma; PGw"\- F
u=uu; 0{B5C[PTG
axes(handles.axes1); i_ =P!%,
plot(xx,abs(u)) Hh
qx)u
axes(handles.axes2); vb70~k
plot(xx,angle(u)) Nq9(O#}
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 |]`+@K,S
End
