function tiaoxing(bochang,N,m,L,handles) cW B>
global n j-wSsjLk
global point XMb]&VvH
k=2*pi/bochang; xU$A/!oK
a=m*1e+006; n4Fh*d ixg
deltax=2*a/point;%取单位长度 IC&xL9
xx=-a:deltax:a; g_lj /u]P
L=L*1e+006; D=}UK d
nn=length(xx); 3xS+Pu\)
u=ones(1,nn); &phers
jj=1:nn; Cz=HxU80J
for n=1:N %进行迭代 zfvMH"1
q$)$?"
for b=1:nn P" +!mSe^~
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... /D OV/>@5%
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% *Ag</g@ h
5WN^8`{'3
end \l^L?69
nn>1OO
ma=max(uu);%归一化 lej-,HX
uu=uu./ma; 6*`KC)a
u=uu; g ycjIy@t
axes(handles.axes1); d-e6hI 4b
plot(xx,abs(u)) *?|LE
C
axes(handles.axes2); EBjSK/
plot(xx,angle(u)) $4K( AEt[
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 >B)&mC$$S
End
