# Railway irregularity measuring using Rauch–Tung–Striebel smoothed multi-sensors fusion system: quad-GNSS PPP, IMU, odometer, and track gauge

> Research article (GPS Solutions, 2018) · cited 46× · AI/ML

**Wikidata**: [openalex:W2787008709](https://www.wikidata.org/wiki/openalex:W2787008709)  
**Source**: https://4ort.xyz/entity/railway-irregularity-measuring-using-rauchtungstriebel-smoothed-multi-sensors-fusion-system-quad-gnss-ppp-imu-odometer-a