# Improving the Performance of Multi-GNSS Time and Frequency Transfer Using Robust Helmert Variance Component Estimation

> Research article (Sensors, 2018) · cited 10× · AI/ML

**Wikidata**: [openalex:W2889391214](https://www.wikidata.org/wiki/openalex:W2889391214)  
**Source**: https://4ort.xyz/entity/improving-the-performance-of-multi-gnss-time-and-frequency-transfer-using-robust-helmert-variance-component-estimation