# DOA Estimation for HFSWR Target Based on PSO-ELM

> Research article (IEEE Geoscience and Remote Sensing Letters, 2021) · cited 24× · AI/ML

**Wikidata**: [openalex:W3136957033](https://www.wikidata.org/wiki/openalex:W3136957033)  
**Source**: https://4ort.xyz/entity/doa-estimation-for-hfswr-target-based-on-pso-elm