| yzktst |
2016-06-10 09:43 |
function tiaoxing(bochang,N,m,L,handles) FI$
-."F
global n *c%{b3T_
global point R?#=^ $7U
k=2*pi/bochang; 9s7TLT k
a=m*1e+006; {KK/mAp{
deltax=2*a/point;%取单位长度 nW K7 *
xx=-a:deltax:a; TI2K_'
L=L*1e+006; {61Y;
nn=length(xx); 2 p }I
u=ones(1,nn); O0_RW`69
jj=1:nn; PR B lf
for n=1:N %进行迭代 (F3R!n
UUvCi+W
for b=1:nn A@:U| )+4
uu(b)=sqrt(i*exp(-i*k*L)/(bochang*L)).*... x TH3g^E
sum(exp(-i*k*((b-jj)*deltax).^2./(2*L)).*u)*deltax;% K W
ZEi?
e^x%d[sU
end W4P+?c>'2
M_%c9g@x
ma=max(uu);%归一化 a2]ZYY`R7
uu=uu./ma; eJ ^I+?h
u=uu; Akw s I@@
axes(handles.axes1); 19 [!9ci
plot(xx,abs(u)) 8^_e>q*W
axes(handles.axes2); ox\ D04:M
plot(xx,angle(u)) 0%q H=do6
set(handles.edit10,'string',num2str(n));%迭代次数显示到面板 ] O~$|Wk
End
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