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  Technical Notes > Radiated Fields > Antenna Parameters           

Peak Realized Gain

Realized gain is four pi times the ratio of an antenna’s radiation intensity in a given direction to the total power incident upon the antenna port(s). Peak realized gain, in turn, is the maximum realized gain over all the user-specified directions of the far-field infinite sphere.

The following equation is used to calculate realized gain in HFSS:

 

 

(1)

where

• U is the radiation intensity in watts per steradian in the direction specified.

• Pincident is the incident power in watts.

Note

Because the gain is calculated from the input signal at the port, a port must be defined for this quantity to be displayed.

Related Topics

Setting up a Far-Field Infinite Sphere

Computing Antenna Parameters

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