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Common Infrared Countermeasures program : ウィキペディア英語版 | Common Infrared Countermeasures program CIRCM, the Common Infrared Countermeasures program, is a United States Army initiative intended to develop a lightweight, low-cost and modular laser-based infrared protection system for U.S. helicopters and light fixed-wing aircraft. The technology will primarily provide defense against shoulder-fired, heat-seeking missiles, or MANPADS. The program is being developed to replace older suites such as the Advanced Threat Infrared Countermeasures (ATIRCM). The CIRCM system will be designed to meet Tri-Service "common" Army, Navy, and Air Force requirements. The Department of Defense’s (DoD) strategy is to competitively develop a lightweight and cost-effective jammer subsystem for installation on all DoD rotary-wing and slow moving fixed-wing aircraft. The Army recently awarded a contract for engineering and manufacturing development (EMD) and low rate initial production to Northrop Grumman.〔(【引用サイトリンク】url=http://awin.aviationweek.com/ArticlesStory/tabid/975/Status/IPAddress/id/49e5e7dd-2f49-447f-b541-80a68422d335/Default.aspx )〕 == Infrared Countermeasures (IRCM) ==
Infrared guidance systems in heat-seeking missiles are designed to track strong sources of infrared radiation – heat – such as aircraft engines, helping missiles to home in on their targets. IRCM systems are based on a modulated source of infrared radiation with a higher intensity than the target itself. When a missile seeker observes this modulated radiation, it interferes with or obscures the modulated signal from the aircraft and renders the missile incapable of maintaining a lock on the target.
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「Common Infrared Countermeasures program」の詳細全文を読む
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