From Wiktionary, the free dictionary
surface clutter (uncountable)
- (engineering) Unwanted radar or sonar wave reflection arising from the land or sea surface.
- Coordinate term: volume clutter
2004, Rajeev Bansal, Handbook of Engineering Electromagnetics[1], →ISBN, page 405:Unwanted echoes usually occur as distributed clutter, as surface clutter (such as land and sea echoes) or as volume clutter (such as rain, chaff).
