# Orthogonal projection method for DOA estimation in low-altitude environment based on signal subspace

> Research article (AEU - International Journal of Electronics and Communications, 2017) · cited 10× · AI/ML

**Wikidata**: [openalex:W2760390678](https://www.wikidata.org/wiki/openalex:W2760390678)  
**Source**: https://4ort.xyz/entity/orthogonal-projection-method-for-doa-estimation-in-low-altitude-environment-based-on-signal-subspace