# A Novel Clutter Covariance Matrix Estimation Method Based on Feature Subspace for Space-Based Early Warning Radar

> Research article (IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3209195171](https://www.wikidata.org/wiki/openalex:W3209195171)  
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