# Enhanced DOA Estimation Exploiting Multi-Frequency Sparse Array

> Research article (IEEE Transactions on Signal Processing, 2021) · cited 53× · AI/ML

**Wikidata**: [openalex:W3209951115](https://www.wikidata.org/wiki/openalex:W3209951115)  
**Source**: https://4ort.xyz/entity/enhanced-doa-estimation-exploiting-multi-frequency-sparse-array