- Industry: Aviation
- Number of terms: 16387
- Number of blossaries: 0
- Company Profile:
Aviation Supplies & Academics, Inc. (ASA) develops and markets aviation supplies, software, and books for pilots, flight instructors, flight engineers, airline professionals, air traffic controllers, flight attendants, aviation technicians and enthusiasts. Established in 1947, ASA also provides ...
Radar energy that has been reflected or scattered by a target. Backscatter is also called an echo.
Industry:Aviation
Radar equipment specifically designed to detect all principal features on the surface of an airport, including aircraft and vehicular traffic, and to present the entire image on a radar indicator console in the control tower.
ASDE is used to augment visual observation by tower personnel of aircraft and/or vehicular movements on runways and taxiways.
Industry:Aviation
Radar in which the beam from the transmitter bounces off a target and is returned to the same antenna and directed to the receiver.
Industry:Aviation
Radar signals reflected from fixed objects on the earth’s surface; objects such as buildings, towers, and terrain that under certain conditions may be used to check radar alignment. Permanent echoes are distinguished from ground clutter by being definable locations rather than large areas.
Industry:Aviation
Radar that operates in the frequency range between 225 and 390 megahertz. At this frequency, the wavelengths of the pulses of energy are between 133.3 and 76.9 centimeters.
Industry:Aviation
Radar which responds to pulses of energy transmitted from an interrogator. The response is transmitted on a frequency different from that which was received.
Industry:Aviation
Radar whose energy is transmitted in a frequency band of between 5.2 and 10.9 gigahertz, and whose wavelength is between about 5.77 and 2.75 centimeters.
Industry:Aviation
Radar, radio, and sonar systems that require the transmission of energy. Active systems are distinguished from passive systems that receive but do not transmit energy.
Industry:Aviation
Radiation of electromagnetic energy whose wavelengths are between about 100 and 4,000 angstroms. See angstrom. The wavelengths of ultraviolet rays are just shorter than those of rays visible to the human eye.
Industry:Aviation
Radio communications using frequencies between three and 30 megahertz. HF communication is used between aircraft and ground facilities in over water operations.
Industry:Aviation
