Radar surveillance system
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United States of America Patent
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May 16, 2017
Issued Date -
N/A
app pub date -
Mar 19, 2013
filing date -
Apr 5, 2012
priority date (Note) -
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Abstract
A radar surveillance system is described in which the radar beam re-visits each area of interest after a short period of time, by electronically reconfiguring a scanned beam to an offset position for an interleaved sub-dwell, within a scan period. This ‘look-back’ capability, where the area under test is re-visited after approximately 1 second, allows the natural de-correlation of sea clutter to take place between the initial and look-back samples of the surveillance area. The re-visit time can be adjusted to best exploit the de-correlation characteristics of the sea clutter return.
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