# Underdetermined DOA Estimation Using Unfold Coprime Array From the Perspective of Sum-Difference Co-Array

> Research article (IEEE Access, 2019) · cited 11× · AI/ML

**Wikidata**: [openalex:W2991133636](https://www.wikidata.org/wiki/openalex:W2991133636)  
**Source**: https://4ort.xyz/entity/underdetermined-doa-estimation-using-unfold-coprime-array-from-the-perspective-of-sum-difference-co-array