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公开(公告)号：US20190235525A1
公开(公告)日：2019-08-01
申请号：US15882351
申请日：2018-01-29
Inventor： David M. Cooper , Dominick J. Gasparri , Andrew Hunton , Joel D. Reiss
Abstract: The present disclosure provides a spread spectrum landing system with a low probability of intercept altimeter that is in communication with a plurality of asymmetrically placed antennas or transponders near a landing area. The low probability of intercept altimeter acts as a secondary system in the event that a primary landing system for the mobile platform is denied or otherwise inoperable. The low probability of intercept altimeter cycles through unique pseudo noise (PN) codes to determine a line of sight relative to each antenna or transponder. A single algorithm or process determines and ranges the platform relative to the transponders to effectuate the landing of the platform.
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公开(公告)号：US10782706B2
公开(公告)日：2020-09-22
申请号：US15882351
申请日：2018-01-29
Inventor： David M. Cooper , Dominick J. Gasparri , Andrew Hunton , Joel D. Reiss
Abstract: The present disclosure provides a spread spectrum landing system with a low probability of intercept altimeter that is in communication with a plurality of asymmetrically placed antennas or transponders near a landing area. The low probability of intercept altimeter acts as a secondary system in the event that a primary landing system for the mobile platform is denied or otherwise inoperable. The low probability of intercept altimeter cycles through unique pseudo noise (PN) codes to determine a line of sight relative to each antenna or transponder. A single algorithm or process determines and ranges the platform relative to the transponders to effectuate the landing of the platform.
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