# Gridless DOA Estimation With Multiple Frequencies

> Research article (IEEE Transactions on Signal Processing, 2023) · cited 45× · AI/ML

**Wikidata**: [openalex:W4322705817](https://www.wikidata.org/wiki/openalex:W4322705817)  
**Source**: https://4ort.xyz/entity/gridless-doa-estimation-with-multiple-frequencies