专利名称：GPS-denied geolocation发明人：Dirk B. Warnaar,David H. Johnson申请号：US16413187申请日：20190515公开号：US11035674B2公开日：20210615
专利附图：
摘要：Systems and techniques for navigation in a GPS-denied environment that do notrely on locations of known points. Instead, the operator can measure distance and/orinclination as well as azimuth to arbitrary points on the visual horizon (or sub-horizon)from their location. These observations can then be compared to precomputed distances
and inclinations for corresponding azimuths to the visual horizon of a grid of pointsbased on known surface terrain data. The closest grid point to the observer's locationobtained in this way can be refined using a model of the surrounding environment,allowing for the operators position to be quickly and accurately determined.
申请人：Applied Research Associates, Inc.
地址：Albuquerque NM US
国籍：US
代理机构：Erise IP, P.A.
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