Electronica
l=0.5λ; l=1λ; l=1.5λ,l=2λ; l=3λ
a) l=0.5λ
Bo=2pi/λ
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)f(θ)=(cos(2π/λ 0.5λ/2 cosθ )-cos(2π/λ 0.5λ/2) )/sen(θ)
f(θ)=(cos(0.5π cosθ )-cos(0.5π) )/sen(θ) =cos(0.5π cosθ )/sen(θ)
Imagen
b) l=1λ
Bo=2pi/λ
f(θ)=(cos(βo l/2 cosθ)-cos(βo l/2) )/sen(θ)
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(2π/λ λ/2 cosθ )-cos(2π/λ λ/2) )/sen(θ)
f(θ)=(cos(π cosθ )-cos(π) )/sen(θ) =(cos(πcosθ )+1 )/sen(θ)Imagen
c) l=1.5λ
Bo=2pi/λ
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(2π/λ 1.5λ/2 cosθ )-cos(2π/λ 1.5λ/2))/sen(θ)
f(θ)=(cos(1.5πcosθ )-cos(1.5π) )/sen(θ) =(cos(1.5πcosθ ) )/sen(θ)
Imagen
c) l=2λ
Bo=2pi/λ
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(βo l/2 cosθ)-cos(βo l/2) )/sen(θ)
f(θ)=(cos(2π/λ 1.5λ/2 cosθ )-cos(2π/λ 1.5λ/2) )/sen(θ)
f(θ)=(cos(1.5πcosθ )-cos(1.5π) )/sen(θ) =(cos(1.5πcosθ ) )/sen(θ)
Imagen
c) l=3λ
Bo=2pi/λf(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(2π/λ 3λ/2 cosθ )-cos(2π/λ 3λ/2) )/sen(θ)
f(θ)=(cos(3πcosθ )-cos(3π))/sen(θ) =(cos〖(3πcosθ )+1〗 )/sen(θ)
Imagen
d) l=4λ
Bo=2pi/λ
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(βo l/2 cosθ )-cos(βo l/2) )/sen(θ)
f(θ)=(cos(2π/λ 4λ/2cosθ )-cos(2π/λ 4λ/2) )/sen(θ)
f(θ)=(cos(4πcosθ )-cos(3π) )/sen(θ) =(cos〖(4πcosθ )+1〗 )/sen(θ)
Imagen
Densidad de potencia
Codigo en matlabAsumo valores A=lamba=r=1
fi=0:.01:2*pi;
teta=0:.01:pi;
[F,T]=meshgrid(fi,teta);
sav=abs(1860.*(pi.^2).*((sin(T)).^2));
X=sav.*sin(T).*cos(F);
Y=sav.*sin(T).*sin(F);
Z=sav.*cos(T);...
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