scanning loss

scanning loss

[′skan·iŋ ‚lȯs]
(electromagnetism)
In a radar system employing a scanning antenna, the reduction in sensitivity (usually expressed in decibels) due to scanning across the target, compared with that obtained when the beam is directed constantly at the target.
References in periodicals archive ?
With an antenna gain greater than 28 dB (for maximum scanning losses) the EIRP is over 37 dBW.
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