radar altimeter

См. также в других словарях:

• radar altimeter — noun A high altitude radio altimeter • • • Main Entry: ↑radar …   Useful english dictionary

• Radar altimeter — A radar altimeter, radio altimeter, low range radio altimeter (LRRA) or simply RA measures altitude above the terrain presently beneath an aircraft or spacecraft. This type of altimeter provides the distance between the plane and the ground… …   Wikipedia

• radar altimeter — radarinis aukščiamatis statusas T sritis Standartizacija ir metrologija apibrėžtis Tikrojo (skrydžio) aukščio matuoklis, kurio veikimas pagrįstas laiko skirtumo tarp elektromagnetinių bangų išsiuntimo ir priėmimo akimirkų matavimu. atitikmenys:… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• radar altimeter — radarinis aukščiamatis statusas T sritis fizika atitikmenys: angl. radar altimeter vok. Radarhöhenmesser, m rus. радиолокационный высотомер, m pranc. altimètre radar, m …   Fizikos terminų žodynas

• radar altimeter — radijo aukščiamatis statusas T sritis Gynyba apibrėžtis Absoliutusis aukščiamatis, kuriuo vertikalus nuotolis iki po juo esančio paviršiaus nustatomas naudojantis radiolokacijos technologija. atitikmenys: angl. radar altimeter pranc. altimètre… …   NATO terminų aiškinamasis žodynas

• radar altimeter — An altimeter that uses radar to find the exact height of the aircraft above the surface. There are basically two types of radar altimeters those employing pulse radar and others that are frequency modulated continuous wave radar. The time… …   Aviation dictionary

• Radar astronomy — is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the echoes. This research has been conducted for four decades. Radar astronomy differs from radio astronomy in that the latter is a… …   Wikipedia

• Altimeter — An altimeter is an instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the measurement of depth underwater. Aircraft Instrumentation… …   Wikipedia

• radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

• radar altitude — The altitude of an aircraft determined by a radar altimeter. This is the actual distance between the aircraft and the terrain feature below the aircraft. Radar altitude is very close to absolute altitude. See absolute altitude …   Aviation dictionary

• radar altitude control mode — In an automatic flight control system, a control mode in which the height of an aircraft is maintained by referencing signals from a radar altimeter …   Aviation dictionary