𝐺𝑇 𝑑𝐵𝑖 = 𝐷𝑇 𝑑𝐵 ;𝐺𝑅 𝑑𝐵𝑖

= 𝐷𝑅 𝑑𝐵 ; 𝐴.𝑆.𝑃𝑒𝑟𝑑𝑎𝑠

𝐴𝑒 =Pr 𝑚á𝑥

𝑆 𝑚2 ;𝐴 =

𝑃𝑟

𝑆 𝐴.𝐸𝑓𝑒𝑡𝑖𝑣𝑎

𝐴𝑒 𝑖𝑠𝑜 =𝜆2

4𝜋; 𝑆 =

𝐺𝑇 .𝑃𝑇

4𝜋𝑟2 𝐷. 𝑝𝑜𝑡ê𝑛𝑐𝑖𝑎

𝑃𝑟 =𝐺𝑇 .𝑃𝑇𝜆2 .𝐺𝑅

(4𝜋𝑟 )2 ; 𝐺𝑅 = 𝐷𝑅; 𝐴 =𝑃𝑇

𝑃𝑅

𝐴 =(4𝜋𝑓𝑟 )2

𝐺𝑇 .𝐺𝑅 .𝑐2 ; 𝑟 ≫𝜆

4𝜋 𝐺𝑇.𝐺𝑅 ;

𝑃𝑟 =𝐺𝑇 .𝐺𝑅 .𝑃𝑇𝜆2

(4𝜋𝑟 )2 𝐸.𝐺.𝑅𝑎𝑑𝑖𝑜;

𝐴 𝑑𝐵 = 10𝑙𝑜𝑔𝐴(4𝜋𝑓𝑟 )2

(𝐺𝑇 .𝐺𝑅 .𝑐)2 ;

𝐴 𝑑𝐵 = 32.44 + 20 log 𝑟 𝐾𝑚 +

20 log 𝑓 𝑀𝑕𝑧 − 𝐺𝑇 𝑑𝐵𝑖 − 𝐺𝑅(𝑑𝐵𝑖);

𝐴 𝑑𝐵 = 10𝑙𝑜𝑔𝑃𝑇

𝑃𝑅; 𝑃𝑅 =

𝑃𝑇

10𝐴 (𝑑𝐵 )

10

;

𝑆𝑟 =𝐸2

120𝜋; 𝑃𝑟 = 𝑆𝑟.𝐴𝑒;

PARABÓLICA

𝐴𝑔 = 𝜋 𝑑

2

2; 𝛾 =

𝐴𝑒

𝐴𝑔; 𝐷 = 8

𝑑

𝜆

2; 𝑓

𝑑≅ 0,433

𝐺𝑜 ≅ 6 𝑑

𝜆

2; 𝜃𝑎𝑏 ≅

72𝜆

𝑑 ; 𝛾𝑚á𝑥 ≅ 0.80

Aberturas de feixe piramidal

𝜃𝑎𝑏 ≅164 ,74

𝐷𝑝 ; 𝜃𝑎𝑏 ≅ 2𝜃𝑎𝑏