Unambiguous integer cycle attitude determination method
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United States of America Patent
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-
Jul 1, 2003
Grant Date -
Apr 24, 2003
app pub date -
Oct 23, 2001
filing date -
Oct 23, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vehicular position and attitude can be accurately determined from GPS signals by positioning a master and two slave orthogonally disposed receiver antennas rigidly mounted together enabling the rotation of the slave receiver antennas about the master antenna. The slave antennas are rotated and then dither back and forth so that differential phase measurements between the slave antennas and the master antenna is nulled in carrier phase alignment of the GPS signals for determining azimuth angles and elevation angles to the GPS satellites for determining the position and attitude of the vehicle.
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