# Constraint navigation filter for space vehicle autonomous positioning with deficient GNSS measurements

> Research article (Aerospace Science and Technology, 2021) · cited 17× · AI/ML

**Wikidata**: [openalex:W4200270435](https://www.wikidata.org/wiki/openalex:W4200270435)  
**Source**: https://4ort.xyz/entity/constraint-navigation-filter-for-space-vehicle-autonomous-positioning-with-deficient-gnss-measurements