clutter

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clutter

Electronics unwanted echoes that confuse the observation of signals on a radar screen

clutter

[′kləd·ər]
(electromagnetism)
Unwanted echoes on a radar screen, such as those caused by the ground, sea, rain, stationary objects, chaff, enemy jamming transmissions, and grass. Also known as background return; radar clutter.
(mathematics)

clutter

clutter
Plan position indicator.
In radar operations, the reception and visual display of radar echoes caused by precipitation, chaff, terrain, numerous aircraft, or other phenomena. Such echoes may limit or preclude ATC (air traffic control) from providing services based on radar.

Clutter

A secondary inbox in Microsoft Outlook where less relevant mail is placed. After analyzing the content, the message is placed into the Clutter box if it is deemed non-essential to the user. Mail going into Clutter is not considered spam, which would otherwise be filtered into the Junk mailbox. Clutter functions similarly to the multiple inboxes in Gmail (see Gmail tabs). See spam filter.
References in periodicals archive ?
Until now, many users have resorted to stacks of individual modems, cluttering their offices and risking reliable operations; or they have installed costly rack modems.