Cycle slip detection using multi-frequency GPS carrier phase observations: A simulation study

Details Cycle slip detection using multi-frequency GPS carrier phase observations: A simulation study Cycle slip detection using multi-frequency GPS carrier phase observations: A simulation study

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010adspr..46..144w&link_type=abstract

Advances in Space Research, Volume 46, Issue 2, p. 144-149.

Computer Science

1

Scientific paper

The detection and repair of the cycle slip or gross error is a key step for high precision global positioning system (GPS) carrier phase navigation and positioning due to interruption or unlocking of GPS signal. A number of methods have been developed to detect and repair cycle slips in the last two decades through cycle slip linear combinations of available GPS observations, but such approaches are subject to the changing GPS sampling and complex algorithms. Furthermore, the small cycle slip and gross error cannot be completely repaired or detected if the sampling is quite longer under some special observation conditions, such as Real Time Kinematic (RTK) positioning. With the development of the GPS modernization or Galileo system with three frequencies signals, it may be able to better detect and repair the cycle slip and gross error in the future. In this paper, the cycle slip and gross error of GPS carrier phase data are detected and repaired by using a new combination of the simulated multi-frequency GPS carrier phase data in different conditions. Results show that various real-time cycle slips are completely repaired with a gross error of up to 0.2 cycles.

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