| yzktst |
2016-06-10 09:43 |
function tiaoxing(bochang,N,m,L,handles) O'5 d6m
global n 7%p[n;-o&
global point 19)fN-0Z
k=2*pi/bochang; EleK*l
a=m*1e+006; D]+0X8@kH7
deltax=2*a/point;%取单位长度 %B^nQbNDM
xx=-a:deltax:a; F$ kLft[:
L=L*1e+006; ;Qpp[V`
nn=length(xx); m5HP 56a
u=ones(1,nn); 3nfw:.
jj=1:nn; K&(}5`H 0=
for n=1:N %进行迭代 IY @)
&KfRZ`9H
for b=1:nn ]=A=VH&
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... JTcK\t8
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% pdnkHR$
\~H; Wt 5
end xNG 'UbU
ZyE 2=w7n
ma=max(uu);%归一化 x)6yWr[ri%
uu=uu./ma; g%z?O[CN
u=uu; *uYnu|UQH
axes(handles.axes1); <y${Pkrj
plot(xx,abs(u)) ?#@JH
axes(handles.axes2); .pNPC|XU
plot(xx,angle(u)) du2q6"
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 Ro+/=*ql~
End
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