# Drift Reduction of a 4-DOF Measurement System Caused by Unstable Air Refractive Index

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

**Wikidata**: [openalex:W3095554914](https://www.wikidata.org/wiki/openalex:W3095554914)  
**Source**: https://4ort.xyz/entity/drift-reduction-of-a-4-dof-measurement-system-caused-by-unstable-air-refractive-index