Essentials of Navigation by Hongwei Bian & An Li & Heng Ma & Rongying Wang

Author:Hongwei Bian & An Li & Heng Ma & Rongying Wang
Language: eng
Format: epub
ISBN: 9789819956364
Publisher: Springer Nature Singapore

(5.35)

A unique solution of attitude cannot be obtained based on a single vector. Only two elements can be obtained from a single baseline measurement. To solve this problem, a third antenna (expressed in l3) that is noncollinear with two existing antennas must be introduced to establish a second baseline, having

(5.36)

Construct the third vector according to (5.1), which is given:

(5.37)

According to (5.3), the attitude result is obtained:

(5.38)

More antennas can be used to obtain more accurate carrier attitude according to the multi-vector attitude determination principle. This technique is also known as interferometric attitude determination or GNSS compass.

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