function tiaoxing(bochang,N,m,L,handles) bc 0|tJc
global n Cf+O7Y`^
global point Vk-_v5
k=2*pi/bochang; z1"UF4x*
a=m*1e+006; NeWssSje
deltax=2*a/point;%取单位长度 --]\z* x
xx=-a:deltax:a; sC}/?^q
L=L*1e+006; 't>Qj7vh0
nn=length(xx); ElYHA
u=ones(1,nn); {jv1hKTa
jj=1:nn; jb*#!m.l
for n=1:N %进行迭代 B(>_.x#kv
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for b=1:nn R
`'@$"
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... jLEU V
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% `&+L/
co*5NM^
end 9\"~ G)
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ma=max(uu);%归一化 %k2zsM
uu=uu./ma; ~ PP GU1
u=uu; `|v#x@s
axes(handles.axes1); 0xjV*0?s
plot(xx,abs(u)) *yJb4uALB
axes(handles.axes2); 1] kk
plot(xx,angle(u)) >,9t<p=Q
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 8G@FX $$Q
End