-
公开(公告)号:US10541755B2
公开(公告)日:2020-01-21
申请号:US15847986
申请日:2017-12-20
Inventor: Hermanus S. Pretorius , Aaron W. Bennett , Jeffrey L. Jew , Ryan Bruce Zielinski
IPC: H04B10/00 , H04B10/524 , H04B10/112 , H04B10/60 , H04B10/85 , H04B10/572
Abstract: The system and method for frequency encoded beacons for use in covert dismount identification, friend or foe and communications. Waveforms are capped at thresholds below human and conventional night vision detection. Waveforms are further modulated to identify dismounts as well as other information such as day and time, rank, health status, and the like. The beacons may operate at different wavelengths depending on whether they are used on ground, in air, or at sea.
-
公开(公告)号:US20180299535A1
公开(公告)日:2018-10-18
申请号:US15490554
申请日:2017-04-18
Inventor: Jeffrey L. Jew , Paul R. Moffitt , Leonard A. Pomeranz , Hermanus S. Pretorius
CPC classification number: G01S7/4865 , G01S7/4863 , G01S7/487 , G01S17/10
Abstract: An active receiver having a digital-pixel focal plane array (DFPA) ranges a target when observing return pulses from a pulsed laser beam synced with the receiver. The DFPA establishes a time when the pulsed laser beam contacts a target and the range can then be established because the speed at which the laser beam travels is known. Various basis functions may be implemented with the DFPA data to establish when the laser beam contacts the target. Some exemplary basis functions are binary basis functions, and other exemplary basis functions are Fourier basis functions.
-