The Orbit and Clock Combination of iGMAS Analysis Centers and the Analysis of Their Precision

@inproceedings{Chen2015TheOA,
  title={The Orbit and Clock Combination of iGMAS Analysis Centers and the Analysis of Their Precision},
  author={Kang-kang Chen and Tianhe Xu and Guo Chen and Jiajing Li and Sumei Yu},
  year={2015},
  url={https://api.semanticscholar.org/CorpusID:195709122}
}
The results show that the RMS of combined orbit and clock with respect to referenced solutions is better than the most analysis centers and the standard deviation of single epoch PPP difference using combined orbit/ clock is comparable to the best AC orbit/clock solutions.
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16 Citations
Background Citations
6
Methods Citations
3

16 Citations

Precision Evaluation and Consistency Analysis of iGMAS Orbit and Clock Products

The twice difference method is used to evaluate clock precision, and consistency of orbit and clock products from different analysis centers (AC) was compared by precise point positioning (PPP) technique.

The Tropospheric Product Combination of iGMAS Analysis Centers and the Analysis of Their Precision

The results show that the RMS of the combined tropospheric solutions of IGS stations are better than those of most analysis centers, and meet the accuracy requirement of iGMAS.

Multi-GNSS Combined Orbit and Clock Solutions at iGMAS

Global navigation services from the quad-constellation of GPS, GLONASS, BDS, and Galileo are now available. The international GNSS monitoring and assessment system (iGMAS) aims to evaluate the…

Robust combination of IGS analysis center GLONASS clocks

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Analysis of Galileo Clock Products of MGEX-ACs

Analysis of Galileo clock products of the MGEX-ACs has been performed from the view of clock combination, and inter-category clock consistency can be found between Galileo in-orbit validation (IOV) and full operational capability (FOC) satellites.

Multi-GNSS clock combination with consideration of inconsistent nonlinear variation and satellite-specific bias

As part of the International GNSS Service (IGS) multi-GNSS Pilot Project (MGEX), precise orbit and clock products for multi-GNSS constellations have been submitted by several analysis centers (ACs)…

Multi-GNSS orbit combination at Wuhan University: strategy and preliminary products

Multi-GNSS orbits from the analysis centres (ACs) of the multi-GNSS Pilot Project of the International GNSS Service (IGS) are combined at Wuhan University after aligning individual orbits to the IGS…

Precise orbit determination for BDS satellites

Since the first pair of BeiDou satellites was deployed in 2000, China has made continuous efforts to establish its own independent BeiDou Navigation Satellite System (BDS) to provide the regional…

Multi-GNSS products and services at iGMAS Wuhan Innovation Application Center: strategy and evaluation

This contribution summarizes the strategies, achievements, and innovations of multi-GNSS orbit/clock/bias determination in iGMAS Wuhan IAC.

The Multi-GNSS Experiment (MGEX) of the International GNSS Service (IGS) - Achievements, prospects and challenges

8 References

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The results show that combined clock solution obtained by the proposed method has commendable consistency with IGS final clock solution and is also more stable and reliable.

Combining the orbits of the IGS Analysis Centers

Currently seven Analysis Centers of the International GPS Service for Geodynamics (IGS) are producing daily precise orbits and the corresponding Earth Orientation Parameters (EOP). These individual…

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A new clock combination program was developed that maintains orbit/ clock consistency at millimeter level, which is comparable to the best AC orbit/clock solutions.

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The International GNSS Service (IGS) routinely generates a number of weekly, daily and sub-daily products. Station coordinates and velocities, earth rotation parameters (ERPs) and apparent geocenter…

Precise Point Positioning Using IGS Orbit and Clock Products

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To get combinition orbit from muti-Analysis Center solution, a new method based on robust M estimation and dynamics smoothing is presented. This method makes combined orbit more reasonable by…

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