Antenna Aperture Calculator
English

Antenna Aperture is the assessment of the efficiency of an antenna at its transmitting and receiving radio waves. An aperture efficiency is a number without any dimension, usually reported as a percentage. Effective aperture is represented as Ae and physical aperture is represented as Ap. For horn and reflector antennas, the aperture efficiency falls in the range of 50% to 80%. Use this Antenna aperture calculator to calculate antenna aperture efficiency at two different angles.

Calculate Antenna Aperture Efficiency

Antenna Aperture is the assessment of the efficiency of an antenna at its transmitting and receiving radio waves. An aperture efficiency is a number without any dimension, usually reported as a percentage. Effective aperture is represented as Ae and physical aperture is represented as Ap. For horn and reflector antennas, the aperture efficiency falls in the range of 50% to 80%. Use this Antenna aperture calculator to calculate antenna aperture efficiency at two different angles.

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Formula

Eθ= [ ( j ×k ×a2×E0×e-jkr ) / r ] × Sin φ [ ( J1×k×a×Sinθ) / k×a ×Sinθ] φ = [ ( j×k×a2×E0×e-jkr ) / r ] ×(Cosθ×Cosφ) [(J1×k×a×Sinθ) / k×a×Sinθ] Where, k = 2 π / λ λ = Wave Length E0 = 8.8541878176 ×10-12F/m (electric constant) θ = Coordinate Angle 1 φ = Coordinate Angle 2 a = Radius of Circular Aperture r = Distance of the observation point from the Origin j = Electric Current Density J1 = Electric Current Density for 1st element

The above simple online Antenna aperture calculator in this page will help you dynamically in the calculation of electric field of Aperture antennas.

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