Attitude determination exploiting geometry constraints

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United States of America Patent

PATENT NO 7292185
APP PUB NO 20070075896A1
SERIAL NO

11243112

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and system for determining at least one attitude angle of a rigid body. The method comprising: receiving a plurality of Global Navigation Satellite System (GNSS) satellite signals with a plurality of antennas; establishing at least one pair of antennas such that each antenna of the plurality of antennas is included in at least one antenna pair; computing single- or double-difference phases corresponding to one or more GNSS satellites for each of the pairs of antennas; and constructing a single Differential Carrier Phase Attitude (DCPA) equation based on known geometry constraints of each of the pairs of antennas. The method also includes determining a solution for the DCPA equation based on a cost function, the solution yielding at least one integer ambiguity value and the at least one attitude angle.

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Patent Owner(s)

Patent OwnerAddress
HEMISPHERE GNSS INC8444 N 90TH STREET SUITE 130 SCOTTSDALE AS 85258

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Davis, Cary Cave Creek, AZ 3 237
Scott, Dale R Calgary Alberta, CA 1 79
Whitehead, Michael L Scottsdale, AZ 71 2320

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