On the numerical minimisation of the objective function applied to spherical harmonics fitting
1
University of Warmia and Mazury in Olsztyn Poland
2
University of Warmia and Mazuty in Olsztyn Poland
Submission date: 2023-08-17
Final revision date: 2023-09-05
Acceptance date: 2023-09-05
Online publication date: 2023-09-18
Publication date: 2023-09-18
Diagnostyka 2023;24(3):2023313
KEYWORDS
TOPICS
ABSTRACT
The paper presents some considerations on the performance of various objective function minimization methods in the process of GNSS antenna PCV determination. It is particulary important in the case of structural health monitoring and diagnostics. PCV are used as an additional feature to improve the GNSS positioning accuracy. The process of PCV derivation is complex and involves fitting spherical harmonics into a set of observables. The paper compares computing performance and accuracy of few methods used in the fitting process.
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