How is antenna gain determined from the pattern table?

How is antenna gain determined from the pattern table?

The antenna gain is determined using an Antenna Pattern Table, which is created in the Antenna Pattern Editor. In this editor, two spherical angles called PHI and THETA are used to specify an antenna pointing direction. Each PHI/THETA pair specifies a gain, given in dB. This allows you to match a gain for a specific direction.The Pattern Table defines the PHI/THETA angles in discrete segments. In order to determine gain for a PHI/THETA pair that does not correspond to one of these segments, we round the angles down and thereby obtain the closest segment (phi', theta') such that phi' is lesser than or equal to PHI, and theta' is lesser than or equal to THETA. The Antenna Pattern Editor allows one to control the granularity of these segments.For more information on Antenna Pattern concepts, please see the Modeling Concepts manual, Module Definitions Chapter, in the Antenna Modules section. For more information on using the Antenna Pattern Editor, please see the Editor Reference Manual, in the Antenna Pattern Editor Chapter.

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