System and method of carrier-phase attitude determination
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United States of America Patent
Stats
-
Aug 27, 2002
Grant Date -
N/A
app pub date -
Jun 30, 2000
filing date -
Jul 2, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and a method for determining a satellite antenna attitude are disclosed. Radio signals from a satellite, such as a GPS satellite, are received by a plurality of coupled antenna elements forming an antenna array. Local attitude values of the antenna array and/or the antenna elements with respect to a reference plane are determined using a shaft encoder or gyro, whereas a carrier-phase antenna attitude is determined from the received radio signals. The array and/or array elements are rotated over a predetermined angle and a correction value of the antenna attitude is determined from a time-averaged difference between the local attitude values and the carrier-phase attitude values.
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- Non-US Classification not provided for expired patents
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