radar antenna

radar antenna

[′rā‚där an′ten·ə]
(electromagnetism)
A device which radiates radio-frequency energy in a radar system, concentrating the transmitted power in the direction of the target, and which provides a large area to collect the echo power of the returning wave.
References in periodicals archive ?
If the boresight of the radar antenna sweeps slowly through the angular location of the target, the target is determined to be at the angle(s) of the radar antenna when the peak received-signal amplitude was measured.
For a small, inexpensive electric field meter, the pulsed environment of a scanning radar antenna has been an unsolved measurement problem.
OTCBB:ASIT) announced that it has been awarded a $68,500 contract entitled "Plasma Phased Array Radar Antenna Architecture.
Contract Awarded for Design and manufacture the radar antenna for its NASA-ISRO Synthetic Aperture Radar (NISAR) satellite.
Cubic will furnish Broadcast MTI Datalinks, while Marconi will supply the radar antenna and self-protection systems for the aircraft.
GEC-Marconi is contributing synthetic aperture radar antenna expertise together with processing and electronic counter-countermeasures technology while the DERA is providing its processing algorithm capability.
The 29-foot radar antenna rotates within the windscreen to provide 360-degree coverage at ranges to 200 nautical miles.
When constructed, LRDR will consist of a solid-state, active electronically-scanned antenna, and the facility to house and operate this radar antenna.
The TOR tracking radar antenna is shown in Figure 22.
5 million contract by the Defense Advanced Research Projects Agency (DARPA) Special Projects Office, Washington DC, and the Air Force Research Lab's (AFRL) Sensors Directorate, Rome, New York, to study the development of an advanced spaceborne antenna system for the Innovative Space-Based Radar Antenna Technology (ISAT) Study.
LRDR when constructed will comprise of a solid-state, active electronically-scanned antenna, and the facility to house and function this radar antenna.
Thus the radar antenna has greater gain in the direction of the target at A than at B, so more signal power is applied to the target at A than B.

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