Difference between revisions of "Directional gain"

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search
 
m (1 revision)
(No difference)

Revision as of 00:12, 25 February 2009

3-1 -150

Directional gain (of a sound source, in decibels)

Alternative term: Directivity index (of a sound source, in decibels)

Ten times the logarithm to the base 10 of the directivity factor.


Reference: I.E.C. (modified)




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