Using phase measurement for the problem of orientation in an integrated inertial satellite system
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The algorithms and errors of an integrated orientation and navigation system (IONS) based on a strapdown inertial measurement unit (SIMU) with micromechanical sensors (MMSes) and two modules of satellite navigation system (SNS) receiving equipment (RE) with spaced antennae with the aim of forming SNS phase measurements are investigated. A Kalman generalized filter with feedback over the system state vector is used for the joint processing of data in a tightly-coupled IONS. The results from cameral processing of the data from automobile tests of an experimental model of a SIMU with MMSes (designed by CSRI Elektropribor) and an SNS RE module (designed by Russian Institute of Radionavigation and Time) are presented.
KeywordsPhase Measurement Ambiguity Resolution Navigation Satellite Joint Processing System State Vector
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