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 ?
Highly cluttered scenes were expected to be detrimental to search performance (Shoptaugh & Whitaker, 1984), and older adults were expected to exhibit a greater clutter effect than younger adults (Plude & Doussard-Roosevelt, 1989; Schieber & Goodspeed, 1997; Scialfa & Joffe, 1997).
Finally, newspapers that use a tabloid format forego the efficiency of sections and thus may seem more cluttered.
The data were partitioned by daypart and programmer, and examples of heavily cluttered categories were noted.
Mr Wharam said: "The Cluttered Countryside initiative refers to issues surrounding excessive signage, of public and private origin, and other eyesores such as inappropriate and mobile advertisements which degrade the environment, especially in rural settlements and country roads.
Previous research has shown that ads in highly cluttered environments are recalled less frequently than are ads in less-cluttered environments (Cobb, 1985; Webb, 1979; Webb and Ray, 1979).
The data from this study indicate that network television is highly cluttered with ads for directly competing brands; previous studies have found that this type of clutter damages recall scores, which are often used to measure the effectiveness of television ads.