Directional gain

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

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)