|
|
U=1000;
c& D- ?5 i x. B* x w" ba=1e-6;) L4 f6 ]& _% c( K, |( O
b=1e-6;& Q1 B( X, D/ \( m/ [
D=0.25;
" S7 S+ g' b9 T1 l. [lamda=1.225e-9/sqrt(U*(1+0.9783e-6*U));# O' x9 k* c3 d5 I
A=pi*a/lamda*D;% H. C( ]7 L# Z% _: X( z2 A
B=pi*(a+b)/lamda*D;
/ f, s ]. W' N: P# A6 O/ Shold on2 k$ X4 X. V& `
for i=0:200
: T: s' \+ H, }9 s9 @7 f; H% u7 nx=5e-5*(2*rand-1);# B0 p. K- l9 s1 Q1 t
y=4e-5*(2*rand-1);+ ?: e$ _4 ]. r0 S6 _0 k' e
Pw=(sin(A*x))^2*(cos(B*x))^2/(A*x)^2<=1;
5 h4 o$ _. u& s- aM=rand;: v* w3 n$ n( R- a: R0 L
if Pw>=M
7 _8 L7 C" P7 F0 fplot(x,y,'.r','markersize',10)2 _" N: H6 K+ G: {) D: f7 e
end1 M/ a/ t! u+ K# M0 d+ |+ }
pause(.02) [( K& {& z& i1 h% o; {/ p% m
end
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发表于 2022-8-15 16:09
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