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Aerospace Instrument-Making Annotation << Back
Quantitative estimation of the navigation quality at the use of various filters in satellite receivers of GPS/GLONASS |
M.Yu. Mamaev, V.N. Milich
Algorithms of the measurement navigation filtration in GPS/GLONASS receivers are considered. Filtration is accomplished by means of velocity integrator and bearing phase increment. This allows using of additional information derivable from bearing phase measurements, and as a result raises the quality of navigation. For evaluation of those filters efficiency the integral criterion of navigation quality is suggested. This criterion characterizes the trajectory tracking precision for route segments with diverse properties. The criterion suggested allows quantitative comparison either various receivers with each other or various algorithms of secondary processing and filtration within a given hardware. Experimentally obtained values of the suggested criterion are presented. |
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