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How to calculate the free-space field intensity...

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antp

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How to calculate the free-space field intensity of the antenna in its model - to find the dependence of the absolute values of intensity [µv/m] in the far field (R>> λ) from the angles Θ,φ, and distance R , for example, for a half-wave vibrator, with a known input power?
There HFSS model…
 

To calculate or simulate?

In HFSS you can simulate and find the far-field radiation pattern easily..

To calculate, you have well-known closed form expressions for far-field pattern of a dipole and monopole antenna.
 
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