Application of GNSS Based on Orthogonal Test
Received date: 2015-07-14
Revised date: 2016-03-02
Online published: 2016-05-30
With rapid development and improvement of four satellite navigation systems, multi-systems are widely used in global navigation satellite system (GNSS) applications. This paper studies combination navigation of GNSS multi-systems. A navigation test of GNSS multi-systems is designed with orthogonal experiments of three factors at different levels. In the test, the RMS and PDOP mean value of position error are evaluated as indicators of GNSS positioning accuracy. Three factors, combined system, frequency and masking angle, are selected. As there are different levels for 3 factors, a mixed-level orthogonal array is selected. A test is carried out with the appropriate receiver according to the design. Optimal application of GNSS multi-system combination under a specific environment in a specific region is obtained by an overall equilibrium method based on the test result. The test shows that the described method is feasible and effective in solving the problem of optimization combination of GNSS multi-system. Calculation and analysis of the result are simple and objective.
QI Yong-qiang, ZHANG Yan-zhong, ZHANG Bo, LI Shu-jian . Application of GNSS Based on Orthogonal Test[J]. Journal of Applied Sciences, 2016 , 34(3) : 302 -308 . DOI: 10.3969/j.issn.0255-8297.2016.03.007
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