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AN/APY-10
The AN/APY-10 is an American multifunction radar developed for the U.S. Navy's Boeing P-8 Poseidon maritime patrol and surveillance aircraft.〔 AN/APY-10 is the latest descendant of a radar family originally developed by Texas Instruments (TI, and later Raytheon when it acquired the radar business of TI) for Lockheed P-3 Orion, the predecessor of P-8. AN/APY-10 mechanically scanned radar is a development of Raytheon's AN/APS-149 radar. Compared to the AN/APS-137, it is smaller in size, lighter, and uses less power.〔 The radar is optimized for maritime, littoral and overland surveillance.
The AN/APY-10 is able to provide high resolution radar images in both overland and water modes. Available modes include color weather, synthetic aperture radar (SAR), inverse synthetic aperture radar (ISAR), periscope detection, and navigation. ISAR mode is said to be capable of both detecting, imaging and classifying surface targets at long range using a variety of resolutions.
==AN/APS-80==
AN/APS-80 is the first member of the radar family AN/APY-10 directly descends from, and this first member of the family was installed on P-3A/B. AN/APS-80 is an analog radar with a peak power of 143 kW. The original AN/APS-80 produced a single 2.6 x 3.4 degree beam, but later version, AN/APS-80A produces two beams: a 3.6 degree pencil beam and an 18 degree fan beam. A unique feature pioneered by AN/APS-80 is that it adopts two antennas to provide 360 degrees coverage, with one antenna in the nose, the other in the tail, under the magnetic anomaly detector (MAD).
The size of the antenna is 42 inches for AN/APS-80, 42 x 24 inches for AN/APS-80A, and the gain is 34 dB for AN/APS-80 and 35 dB for AN/APS-80A. Each antenna can cover a 210-degree sector, and the scan rate for AN/APS-80 is either 6 or 12 revolution per minute (rpm), covering the scan sector of 36 or 72 degrees per second. For AN/APS-80A, the scan rate is 6 rpm at 45 degrees per second or 48 scans per minute.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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