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Active Phased Array Radar (APAR) is a shipborne multifunction 3D radar (MFR) developed and manufactured by Thales Nederland. It is the first active electronically scanned array MFR employed on an operational warship.〔Jane's Navy International, August 2010, "Expanding coverage from sea to sky"〕 ==Characteristics== APAR has four fixed (i.e., non-rotating) sensor arrays (faces), fixed on a pyramidal structure. Each face consists of 3424 transmit/receive (TR) modules operating at X band frequencies.〔Jane's Radar and Electronic Warfare Systems, 2007-2008 Edition, Edited by Martin Streetly, ISBN 978-0-7106-2811-4〕 The radar provides the following capabilities: * air target tracking of over 200 targets out to 150 km〔 * surface target tracking of over 150 targets out to 32 km〔 * horizon search out to 75 km〔 * "limited" volume search out to 150 km〔 (in order to back up the volume search capabilities of the SMART-L) * cued search (a mode in which the search is cued using data originating from another sensor) * surface naval gunfire support〔 * missile guidance using the Interrupted Continuous Wave Illumination (ICWI) technique, thus allowing guidance of 32 semi-active radar homing missiles in flight simultaneously, including 16 in the terminal guidance phase〔Jane's Navy International, October 2005, "Live firing tests rewrite the guiding principles"〕 * "innovative" Electronic Counter-Countermeasures (ECCM)〔 Note: all ranges listed above are instrumented ranges. 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「Active Phased Array Radar」の詳細全文を読む スポンサード リンク
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