Sin gle Epoch Ambiguit y Resolution Success Rates Under Modified Objective Function Without Prior Baseline Information
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Abstract
In this paperthe traditional objective functionthe quadratic of difference of float ambiguity and inte ger ambiguit yis re placed by a modified function called sum of L1and L2pure carrier phaseresidua squares when searching for a correct inte ger ambiguit y.The inte ger ambiguities search space is obtained by a floatin g transformation and building observation model with DDdouble difference CA code range and wide lane carrier phase.The calculation results from 18-hour static GPS data indicate that the modified is better than the traditional objective function for reliabilit y and usabilit y with a hi gher success rate.
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