plan position indicator
noun Date: 1932 a radarscope having a sweep synchronized with a usually rotating antenna so that the radar return can be used to find range and bearing

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • plan-position indicator — noun (radar) An apparatus in which the position of reflecting objects is shown on the screen of a cathode ray tube, as if on a plan (abbrev PPI) • • • Main Entry: ↑plan …   Useful english dictionary

  • plan position indicator — n. a circular radarscope on which signals are shown at radial distances from the center, which represents the location of the transmitter …   English World dictionary

  • Plan Position Indicator — Pour les articles homonymes, voir PPI. Animation simplifiée de l affichage sur un PPI Le PPI (Vue panoramique à angle d élévation constant) est la méthode d affichage des données qui a été développé dès le tout début de l invention du radar.… …   Wikipédia en Français

  • Plan position indicator — The plan position indicator (PPI), is the most common type of radar display. The radar antenna is usually represented in the center of the display, so the distance from it and height above ground can be drawn as concentric circles. As the radar… …   Wikipedia

  • Plan Position Indicator — PPI (NOAA) El indicador de posición (acrónimo en inglés PPI para plan position indicator , es el más común tipo de salida de pantalla de radar. La antena del radar es representada usualmente en el centro del display, tal que la distancia desde él …   Wikipedia Español

  • plan-position indicator — panoraminis rodytuvas statusas T sritis radioelektronika atitikmenys: angl. plan position indicator vok. Rundsichtanzeigegerät, n; Rundsichtbildschirm, m; Rundsichtgerät, n rus. индикатор кругового обзора, m; панорамный индикатор, m pranc.… …   Radioelektronikos terminų žodynas

  • plan position indicator — panoraminis rodytuvas statusas T sritis Gynyba apibrėžtis Katodinių spindulių ekranas, kuriame radiolokatoriaus aptikti objektai vaizduojami radiolokatoriaus vietos atžvilgiu. atitikmenys: angl. plan position indicator pranc. écran radar… …   NATO terminų aiškinamasis žodynas

  • plan position indicator — noun : PPI * * * a radarscope on which an object reflecting radar waves shows its bearing and distance from the radar detector by causing a spot of light to appear on a screen that represents a map of the area around the detector. Abbr.: PPI… …   Useful english dictionary

  • plan position indicator — A cathode ray tube on which radar returns are so displayed as to bear the same relationship to the transmitter as the objects giving rise to them …   Military dictionary

  • plan position indicator — a radarscope on which an object reflecting radar waves shows its bearing and distance from the radar detector by causing a spot of light to appear on a screen that represents a map of the area around the detector. Abbr.: PPI [1940 45] * * * …   Universalium

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