function tiaoxing(bochang,N,m,L,handles) Lo#G. s|
global n
s2wDJ|
global point c$^v~lQS
k=2*pi/bochang; _X mxBtk9f
a=m*1e+006; )S 4RR2Q>
deltax=2*a/point;%取单位长度 >]ZE<.
xx=-a:deltax:a; Us!ZQ#pP
L=L*1e+006; ]Y!Fz<-;P
nn=length(xx); l U4 I*
u=ones(1,nn); m-ibS:
jj=1:nn; }LKD9U5;8
for n=1:N %进行迭代 FQ1B%u|
a:`<=^:4,
for b=1:nn mH0OW
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... xW*Lceb
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% kWVk^,
0Xw>_#Y/xS
end .UQ|k,,t
cNxxX!P/
ma=max(uu);%归一化 ge.>#1f}
uu=uu./ma; j BBl{
u=uu; kp* !
axes(handles.axes1); yiI
oqvP
plot(xx,abs(u)) czpu^BT;;T
axes(handles.axes2); <FBBR2
plot(xx,angle(u)) fCF.P"{W"
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 *($,ay$&H
End