Physics, asked by agrimdubey5650, 3 months ago

The physical aperture of the horn antenna is 137 λ2 m2 . Find the directivity of the horn antenna.

Answers

Answered by shivajigaikwad68888
0

Answer:

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Answered by balagkannan
0

Answer: 30.12 dB

Explanation:

Given: Ap = 137 λ2 m2.

     The directivity of horn antenna is given by,

D = ((7.5)〖 Ap)/λ^2  = ((7.5)(137 λ^2))/λ^2  = 1027.5

     In dB, we can write

D (in dB) = 10 log10 (D) = 10 log10 (1027.5) = 30.12 dB

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