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radar beam

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radar beam [′rā‚där ‚bēm]
(electromagnetism)
The movable beam of radio-frequency energy produced by a radar transmitting antenna; its shape is commonly defined as the loci of all points at which the power has decreased to one-half of that at the center of the beam.
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Division in Radar Beam Space The most important parameters that a radar measures for a target are range, Doppler frequency, and two orthogonal space angles.
Q-learning-based adaptive waveform selection in cognitive radar by Wang, Bin; Wang, Jinkuan; Song, Xin; Liu, Fulai / International Journal of Communications, Network and Systems Sciences (IJCNS)
This information is important in determining if and where shielding is needed to protect vital electronic instrumentation from malfunction or damage while flying through ground-based radar beams, for example.
Airframe tests to help ensure better air travel safety by Asian News International
Representing his wife in court last June, Dr Fielden argued that radar beams travel in a straight line, so using radar to measure the speed of a car on a curve would not work.
Undercover ploy in speed case by Huddersfield Daily Examiner (Huddersfield, England)
 
 
 
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