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U=1000;
, E8 i, K& H$ k s" La=1e-6;/ M- i: o$ o7 F# f6 e
b=1e-6;0 E" x$ Z/ k* X6 v2 z9 q z
D=0.25;
! x1 }' _! j0 X- olamda=1.225e-9/sqrt(U*(1+0.9783e-6*U));
( t) A n2 u7 `, G- w' q) c+ R2 l, \A=pi*a/lamda*D;
1 ~7 K% l! n0 `/ `B=pi*(a+b)/lamda*D;0 `- |9 }5 V1 Y+ l6 q' P
hold on6 [4 f& b; ]; b; Y, S
for i=0:200
) o, y1 } ^, H& y4 S- n* px=5e-5*(2*rand-1);
9 ~8 q1 \4 n2 v' u6 S. L0 n! S" ly=4e-5*(2*rand-1);
5 U$ ]8 R1 v3 o% W8 l% oPw=(sin(A*x))^2*(cos(B*x))^2/(A*x)^2<=1;
! y( ]* B: m% A5 T; xM=rand;
8 _: Z- H( ]# _, l6 Z0 ^4 Z- Oif Pw>=M$ T& }: I7 h# z: I3 x" g- A
plot(x,y,'.r','markersize',10)* c( q6 D5 p3 s9 k
end
# Y2 f1 I% K) S( Opause(.02)
5 q7 g6 J! `, @7 t2 \- J0 v& }" Mend; z- d# {" }+ @( |
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