function tiaoxing(bochang,N,m,L,handles) ^#$n~]s
global n )UR7i8]!0
global point A<{{iBEI`
k=2*pi/bochang; pb}*\/s
a=m*1e+006; 2:kH[#
deltax=2*a/point;%取单位长度 fl(wV.Je|
xx=-a:deltax:a; f?Lw)hMrA
L=L*1e+006; -~1~I
e2
nn=length(xx); Wc#24:OKe3
u=ones(1,nn); sT)CxOV
jj=1:nn; vQCy\Gi
for n=1:N %进行迭代 Nc`L;CP
j_AACq
{.
for b=1:nn $I=~S[p
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... V&5wRz+`W
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% XwmL.Gg:]7
3n _htgcv
end @5FQX
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ma=max(uu);%归一化 *pq\MiD/
uu=uu./ma; J zl6eo[;
u=uu; Sc0w.5m6
axes(handles.axes1); ^sw?gH*
plot(xx,abs(u)) $Yq9P0Ya
axes(handles.axes2); ueudRb
plot(xx,angle(u)) ;TYBx24vD'
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 b9krOe*j
End