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Federal research and development needs and priorities for phased array radar
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2006
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Series: FCM (Series) ; R25-2006
[PDF-12.06 MB]
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Description:All current civilian radar systems for weather surveillance and aircraft surveillance use a rotating antenna. The transmitted beam is shaped and directed by the antenna's reflective surface. The continuous physical rotation of the antenna around a vertical axis causes this beam to sweep a volume of space surrounding the radar unit. In a phased array radar, by contrast, the beam emanates from a stationary surface and is shaped and steered electronically; there is no rotating antenna. This capability to form and steer a radar beam permits multiple radar functions to be performed with the same radar unit: a multifunction phased array radar, or MPAR.
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Rights Information:CC0 Public Domain
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