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The display of a received pulse on the screen of a cathode-ray tube. Also known as pip.
An ideal infrared radiation detector that detects with unit quantum efficiency all of the radiation in the signal for which the detector was designed, and responds only to the background radiation noise that comes from the field of view of the detector.
A mark, spot, or line on a medium such as microfilm that is optically sensed and is used for counting or timing.
blip(1) An individual Google Wave message. See Google Wave.
(2) A mark, line or spot on a medium, such as microfilm, that is optically sensed and used for timing or counting purposes.