Methods and apparatus for measuring navigational parameters of a locomotive
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United States of America Patent
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Jul 7, 2009
Grant Date -
N/A
app pub date -
Jun 1, 2000
filing date -
Sep 10, 1999
priority date (Note) -
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Abstract
The present invention, in one aspect, is a method for determining motion and/or location parameters of a locomotive. One method embodiment includes steps of phase locking a pair of receivers having antennas at different locations on a locomotive to reference signals received from a set of satellites, determining a set of phase differences between the reference signals received at the antennas, and determining at least one of an accurate heading, heading rate, attitude, and attitude rate of the locomotive using the set of phase differences between the reference signals.
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