# PHD Filtering for Multi-Source DOA Tracking With Extended Co-Prime Array: An Improved MUSIC Pseudo-Likelihood

> Research article (IEEE Communications Letters, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3207732995](https://www.wikidata.org/wiki/openalex:W3207732995)  
**Source**: https://4ort.xyz/entity/phd-filtering-for-multi-source-doa-tracking-with-extended-co-prime-array-an-improved-music-pseudo-likelihood