Gain function

urn:mrn:iala:dic:4-1-0360

Gain function (G.B.)

Directive gain (U.S.A.)

For a given direction, 4PI times the ratio of the radiation intensity in that direction to the total power radiated by the antenna.

Reference: I.R.E.

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English

centre of gravity

Centre of buoyancy

South

ampere

charge current

Intensity

Reserve buoyancy

Reflected amplitude

Range (also ρ)

Illuminance

Energy

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM