directive gain


Also found in: Wikipedia.

directive gain

[də′rek·tiv ‚gān]
(electromagnetism)
Of an antenna in a given direction, 4π times the ratio of the radiation intensity in that direction to the total power radiated by the antenna.
References in periodicals archive ?
Directive gain of an antenna in a particular direction is defined as ratio of power density in that direction at a given distance to the power density that would be radiated at the same distance by an isotropic antenna radiating the same total power Maximum Directive gain is defined as directivity of antenna
Full browser ?