surface clutter

noun

noun

Engineering, Natural sciences, Physical sciences Unwanted radar or sonar wave reflection arising from the land or sea surface.

Unwanted echoes usually occur as distributed clutter, as surface clutter (such as land and sea echoes) or as volume clutter (such as rain, chaff).2004, Rajeev Bansal, Handbook of Engineering Electromagnetics, →ISBN, page 405:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.