function tiaoxing(bochang,N,m,L,handles) }= <!j5:
global n q',a7Tf:
global point +V'r>C:
k=2*pi/bochang; jB1\L<P
a=m*1e+006; p`d:g
BZ
deltax=2*a/point;%取单位长度 Ej34^*m9k
xx=-a:deltax:a; JR<R8+@g_
L=L*1e+006; q6G([h7
nn=length(xx); ONfJ"Rp3
u=ones(1,nn); Gc 8
jj=1:nn; e@,L~\
for n=1:N %进行迭代 #&8Opo(
WG}QLcP
for b=1:nn 2Q k\}KWs
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... 0~S<}N
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% 8 Zj>|u
gRqz8UI
end ?=4t~\g?
EEo+#
ma=max(uu);%归一化 YJL=|v
uu=uu./ma; AMm O+E?
u=uu; $OhL
95}7
axes(handles.axes1); *{Z!m@?
plot(xx,abs(u)) (CV=0{]
axes(handles.axes2); # xoFIH
plot(xx,angle(u)) =& lYv
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 C4cg,>P7
End