# 2D-DOA and Polarization Estimation Using a Novel Sparse Representation of Covariance Matrix With COLD Array

> Research article (IEEE Access, 2018) · cited 14× · AI/ML

**Wikidata**: [openalex:W2899708298](https://www.wikidata.org/wiki/openalex:W2899708298)  
**Source**: https://4ort.xyz/entity/2d-doa-and-polarization-estimation-using-a-novel-sparse-representation-of-covariance-matrix-with-cold-array