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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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