Side lobes
From EUROCONTROL ATM Lexicon
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| Term | side lobes |
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Abbreviation
Definition
Lobes of the radiation pattern of an antenna, which are not part of the main or principal beam. Radar systems can have sufficient sensitivity via side lobes for successful detection of aircraft (particularly for SSR, but also for PSR). Special precautions are necessary to protect against these false plots.
Definition Source
ICAO (2004) doc. 9684 Manual of the Secondary Surveillance Radar (SSR) Systems
