# Improved robust Kalman filter for state model errors in GNSS-PPP/MEMS-IMU double state integrated navigation

> Research article (Advances in Space Research, 2021) · cited 37× · AI/ML

**Wikidata**: [openalex:W3132677443](https://www.wikidata.org/wiki/openalex:W3132677443)  
**Source**: https://4ort.xyz/entity/improved-robust-kalman-filter-for-state-model-errors-in-gnss-ppp-mems-imu-double-state-integrated-navigation