Spherical divergence loss

From International Dictionary of Marine Aids to Navigation
Revision as of 12:00, 15 February 2009 by Oferiks (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

3-1-235

Spherical divergence attenuation Inverse square law attenuation

Reduction in sound pressure level resulting from propagation of spherical waves in a free field without loss of energy.




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