radar altimeter


Also found in: Acronyms, Encyclopedia, Wikipedia.

radar altimeter

A type of absolute altimeter which measures vertical distance to the surface below using radar technology. See also absolute altimeter.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
References in periodicals archive ?
The video imaging system was intended to take the pictures of the moon's surface, the radar altimeter was to measure the rate of descent of the probe to the lunar surface and the mass spectrometer was for studying the extremely thin lunar atmosphere.
Options on the plane include a Part 135 Package, which enables the jet to be used in commercial operation; a copilot package; SkyWatch HP, a traffic collision avoidance system; Class B terrain awareness warning system; and a radar altimeter. The Eclipse 500 has an empty weight of about 3,600 pounds.
The resulting "brownout situational awareness upgrade" gave utility and cargo helicopter pilots a small liquid crystal display that charted velocity vector, acceleration cues, radar altimeter height and vertical speed.
10 by marking the eight-year anniversary of the GFO program, a highly successful satellite program that measures sea surface heights and wave height by using a radar altimeter. The satellite continues to provide critical meteorological and oceanographic (METOC) data to ships at sea and to a variety of modeling centers across the country.
What's missing are the high-resolution stereo camera (HRSC), the visible and infrared mineralogical-mapping spectrometer (OMEGA), and the subsurface sounding radar altimeter (MARSIS), which have been replaced by a new Venus Monitoring Camera (VMC), an extra spectrometer, and an experiment to study the planet's magnetic field.
Such sea height anomalies can then be mapped with space-based radar altimeter data."
Once the shield was discarded, Beagle 2's radar altimeter was programmed to come to life, bouncing signals off the ground every 0.1 seconds.
The aircraft's chin bubble was scratched, the radar altimeter antenna was damaged, and the AAR-47 plume detector was destroyed
As is well known, there are two general types of altimeter systems -- a pulse radar altimeter and a frequency modulated, continuous wave (FM-GW) radio altimeter.
The MoD said yesterday: ``The Board of Inquiry recommended that a Ground Proximity Warning System or a Radar Altimeter was fitted to the Hawk aircraft; and that a voice chan-nel be incorporated in t he Hawk Accident Data Recorder.
Full browser ?