MATLAB_INTERPOS
Enviado por Xavier Sánchez • 4 de Noviembre de 2020 • Documentos de Investigación • 505 Palabras (3 Páginas) • 64 Visitas
[pic 1][pic 2]
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Ejercicio 1 (ANTENA DE MEDIA ONDA)
- Resistencia de Radiación
- E en unidades practicas
𝑅𝑟 = 73.2 Ω
𝑃𝑡 = 𝑖2 ∗ 73.2Ω = 1 ∗ 73.2 = 73.2 𝑊
[pic 3] [pic 4]
𝑚𝑉
𝑒 ( ) = 222 ∗[pic 5]
𝑚
√𝑃𝑡[𝐾𝑤]
𝑑(𝐾𝑚) = 222 ∗[pic 6]
√73.2𝑥10−3
= 0.262 𝑚𝑉⁄𝑚[pic 7]
229.13
E comparada con la antena isótropa
[pic 8]
√𝑃𝑡(1.64)
𝑒 = 173.2 ∗[pic 9]
𝑑
= 173.2 ∗
[pic 10]
√73.2𝑥10−3(1.64) 229.13
= 0.2619 𝑚𝑉⁄𝑚[pic 11]
PRA
[pic 12]
𝑚𝑉
𝑒 ( ) = 222 ∗[pic 13]
𝑚
0.262 ∗ 229.13
√𝑃𝑅𝐴[𝐾𝑤]
[pic 14]
𝑑(𝐾𝑚)
[pic 15]
(
222[pic 16]
) = √𝑃𝑅𝐴[𝐾𝑤]
𝑃𝑅𝐴 = 0.27042 = 0.073 𝐾𝑤
PIRE
[pic 17]
𝑚𝑉
𝑒 ( ) = 173.3 ∗[pic 18]
𝑚
0.262 ∗ 229.13
√𝑃𝐼𝑅𝐸[𝐾𝑤]
[pic 19]
𝑑(𝐾𝑚)
[pic 20]
(
173.3[pic 21]
) = √𝑃𝐼𝑅𝐸[𝐾𝑤]
𝑃𝐼𝑅𝐸 = 0.34642 = 0.1199 𝐾𝑤
f) 𝒈𝑨𝑽𝑪
[pic 22] [pic 23]
𝑚𝑉
𝑒 ( ) 𝑎𝑣𝑐 = 300 ∗[pic 24]
𝑚
√𝑃𝑡[𝐾𝑤]
𝑑(𝐾𝑚) = 300 ∗[pic 25]
𝑒(𝑚𝑉⁄𝑚)𝑎𝑛𝑡
√73.2𝑥10−3
= 0.354 𝑚𝑉⁄𝑚[pic 26]
229.13
0.262
𝑔𝐴𝑉𝐶 = 𝑒(𝑚𝑉⁄𝑚)𝑎𝑣𝑐 = 0.354 = 0.74[pic 27][pic 28]
Ejercicio 2 (ANTENA DIPOLO ELEMENTAL P=(3,2.5,1) Km)
- Resistencia de Radiación
𝑙 2
𝑅𝑟 = 80𝜋2 ( )
𝜆
= 80𝜋2 (
0.1 2
)[pic 29]
1.5
= 3.5Ω
E en unidades practicas
𝑃𝑡 = 𝑖2 ∗ 𝑅𝑟 = 1 ∗ 3.5 = 3.5 𝑊
[pic 30]
𝑑 = √32 + 2.52 + 12 = 4.03 𝐾𝑚
[pic 31] [pic 32]
𝑚𝑉
𝑒 ( ) = 212.13 ∗[pic 33]
𝑚
√𝑃𝑡[𝐾𝑤]
𝑑(𝐾𝑚) = 213.13 ∗[pic 34]
√3.5𝑥10−3
= 3.129 𝑚𝑉⁄𝑚[pic 35]
...