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公开(公告)号:US11300682B2
公开(公告)日:2022-04-12
申请号:US16163675
申请日:2018-10-18
Inventor: Aaron W. Bennett , Murray R. Collette , Brant M. Kaylor
IPC: G01S17/32 , G01N21/31 , G01N21/3504 , G01N23/203 , G01S17/88 , G01V5/00
Abstract: A system and method for a bistatic coherent LIDAR system with lasers locked to a reference. Utilizing atomic absorption lines to lock the frequency for the bistatic system provides an absolute reference, as each of the lasers in the bistatic system would have the same frequency to within the linewidth of the frequency reference. Each laser may also be additionally locked to an optical cavity for increased frequency stability. Not only does such a system provide essentially an infinite aperture, it also reduces laser power requirements because the detector platforms could be much closer to the target than the platform that contains the laser.
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公开(公告)号:US20220317315A1
公开(公告)日:2022-10-06
申请号:US17222049
申请日:2021-04-05
Inventor: David M. Cooper , Wayne W. Altrichter , Aaron W. Bennett , Matthew J. Sherman
Abstract: The system and method for position, navigation, and timing and more particularly to a system that is time and/or position independent and capable of autonomous transition from GPS to non-GPS navigation. The integrated position, navigation, and timing system uses primary and secondary navigation sensors and primary and secondary navigation measurement sources with a common time reference architecture, an integrated “dual-grid” navigation module, an integrated “dual-grid” navigation Kalman filter, and an integrated “dual-grid” navigation source selection module to provide both geodetic and relative grid timing and/or location among members of a network of platforms, particularly in GPS denied or degraded environments.
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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.
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