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・ Alilem
・ Alilu
・ Alim
・ Alim Airlines
・ Alim Ashirov
・ Alim Dara
・ Alim Dzhukkayev
・ Alim Gadanov
・ Alim Karkayev
・ Alim Khabilov
・ Alim Kouliev
・ Alim Kumykov
・ Alim Mikheyev
・ Alim Qasimov
・ Alim Qurbanov
Alim radar system
・ Alim Ramaldanov
・ Alim Selimau
・ Alim Sherzamonov
・ Alim Zankishiev
・ Alim Öztürk
・ Alim-Louis Benabid
・ Alim-Tepe
・ Alima
・ Alima Boumediene-Thiery
・ Alimabad
・ Alimadol
・ Alimah III
・ Alimamy Jalloh
・ Alimamy Koroma


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Alim radar system : ウィキペディア英語版
Alim radar system

Alim is the first Iranian passive radar. Passive radars do not transmit waves and instead, detect and track objects by processing reflections from non-cooperative sources of illumination in the environment, such as commercial broadcast and communications signals.
Alim is cheaper and has less maintenance cost than normal radars because it doesn't have transmitter and movable mechanical parts. Although it needs high processing power because it has to do six levels of processing to track a target. Other advantages include the ability to detect low RCS targets in low altitudes. Also as it doesn't transmit anything, it is not possible to destroy it using anti radiation missiles such as American AGM-88 HARM thus it can be deployed near the enemy lines.
It was first seen in 2011 during the parade of Iranian armed forces. The radar has a range of between 250-300 km and is able to detect slow, low flying targets with relative ease. 〔(Mashreghnews-A look at 10 unknown Iranian radars )〕
==Notes and references==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Alim radar system」の詳細全文を読む



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