# Numerical characterization of helicopter noise hemispheres

> Research article (Aerospace Science and Technology, 2016) · cited 23× · AI/ML

**Wikidata**: [openalex:W2284511828](https://www.wikidata.org/wiki/openalex:W2284511828)  
**Source**: https://4ort.xyz/entity/numerical-characterization-of-helicopter-noise-hemispheres