# Time-frequency DOA estimation of chirp signals based on multi-subarray

> Research article (Digital Signal Processing, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3138536744](https://www.wikidata.org/wiki/openalex:W3138536744)  
**Source**: https://4ort.xyz/entity/time-frequency-doa-estimation-of-chirp-signals-based-on-multi-subarray