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Antenna Gain as a Function of Wavelength

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Jul 24, 2020, 6:28:07 PM
Created by
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Jul 18, 2018, 2:39:46 AM
G=4⋅π⋅A⋅Ka32
(λ)Wavelength
(Ka)Efficiency
(A)Antenna Area

This Antenna Gain (G)    equation computes the power density gain over an isotropic antenna created by directional radiation of the power.  If the power of an antenna is caused to be redistributed with more radiation being emitted in one direction, then an increase of the power density in the direction of the radiation results.

PARAMETERS of GAIN

  • A = area of the antenna surface
  • Ka = efficiency factor of the antenna
  • λ = wavelength of the waveform emitted

G=4⋅π⋅A⋅Kaλ2

An antenna's power gain or simply gain is a performance measure of the antenna which can be thought of as combining the antenna's directivity and electrical efficiency.

See:  Antenna Gain as a Function of Wavelength
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