Instantaneous GPS attitude determination

Author

Brown, Ronald A.

Author_Institution

Texas Instrum. Inc., Plano, TX, USA

Volume

7

Issue

6

fYear

1992

fDate

6/1/1992 12:00:00 AM

Firstpage

3

Lastpage

8

Abstract

A procedure for instantaneous GPS (Global Positioning Satellite) attitude determination, i.e., a solution for the GPS integrated carrier Doppler wavelength ambiguities using only measurements at a single epoch, is described. Most previous techniques to solve the phase ambiguity problem have required some form of time history processing relying on GPS satellite and/or user motion to provide enough geometry change to eliminate false solutions. The algorithm described assumes three noncollinear antennas and integrated carrier Doppler measurements from four or more satellites. Double-difference processing provides at least three independent observables for the two antenna separation vectors to compute the three attitude Euler angles.<>

Keywords

Doppler effect; antenna arrays; phase measurement; position measurement; radionavigation; satellite relay systems; signal processing; Euler angles; GPS; algorithm; attitude; double difference processing; integrated carrier Doppler wavelength ambiguities; noncollinear antennas; phase ambiguity; Antenna measurements; Directive antennas; Equations; Geometry; Global Positioning System; Instruments; Phase measurement; Position measurement; Satellite antennas; Wavelength measurement;

fLanguage

English

Journal_Title

Aerospace and Electronic Systems Magazine, IEEE

Publisher

ieee

ISSN

0885-8985

Type

jour

DOI

10.1109/62.145113

Filename

145113