aperture antenna calculator

enter the value and click "calculate", the calculation result will be displayed.

formula:
Eθ = [ ( j*k*a2*E0*e-jkr ) / r ] * Sinφ [ ( J1*k*a*Sinθ) / k*a*Sinθ ]
Eφ = [ ( j*k*a2*E0*e-jkr ) / r ] *(Cosθ*Cosφ) [(J1*k*a*Sinθ) / k*a*Sinθ]

magnetic current:
half antenna length:
wavelength:
radius:
z-axis length:
coordinate angle:

calculation result:

dipole current:
radio wave:
electromagnetic waves:
average radiated power density:
what is antenna aperture? antenna aperture refers to the effective area of ​​an antenna that captures incoming electromagnetic waves. it is a key parameter that determines the overall performance of the antenna, as it directly affects the received signal strength and the antenna's ability to transmit and receive signals.
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