| yzktst |
2016-06-10 09:43 |
function tiaoxing(bochang,N,m,L,handles) mA.,.< xE@
global n ,) dlL tUm
global point :_xfi9L~W0
k=2*pi/bochang; 7@g0>1Fz
a=m*1e+006; }:0ru_F)(4
deltax=2*a/point;%取单位长度 ~uq010lMno
xx=-a:deltax:a; }=\?]9`
L=L*1e+006; | @ ut/
nn=length(xx); rZ n@i
u=ones(1,nn); WcT= 5G
jj=1:nn; C+M]"{Y+
for n=1:N %进行迭代 J2
)h":2
S:i# |T."
for b=1:nn YL!{oHs4
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... g5pFr=NV
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% !&b|
[ b
Lj GZp"&{
end |By[ev"Kh%
uh.;Jj;
ma=max(uu);%归一化 = #pYd~
uu=uu./ma; ~4=*kJ #7
u=uu; sG_/E-%5'
axes(handles.axes1); G!B:>P|\l
plot(xx,abs(u)) gjz-CY.hz
axes(handles.axes2); ![Gn0X?]
plot(xx,angle(u)) <b *sn] l
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 `V<jt5TS
End
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