rectangular search

rectangular search

[rek′taŋ·gyə·lər ′sərch]
(navigation)
A search of three legs from a moving point, the first and third legs being perpendicular to the base course of the moving point, and the second leg being parallel to it.
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References in periodicals archive ?
Google fired off a Twitter message with hashtag #madebygoogle and a video of what appeared to be a long rectangular search term box morphing into a silhouette of a smartphone.