# Automatic Calibration of Process Noise Matrix and Measurement Noise Covariance for Multi-GNSS Precise Point Positioning

> Research article (Mathematics, 2020) · cited 11× · AI/ML

**Wikidata**: [openalex:W3014516700](https://www.wikidata.org/wiki/openalex:W3014516700)  
**Source**: https://4ort.xyz/entity/automatic-calibration-of-process-noise-matrix-and-measurement-noise-covariance-for-multi-gnss-precise-point-positioning