# A comparative study of four multi-scale entropies combined with grey relational degree in classification of ship-radiated noise

> Research article (Applied Acoustics, 2020) · cited 19× · AI/ML

**Wikidata**: [openalex:W3116942082](https://www.wikidata.org/wiki/openalex:W3116942082)  
**Source**: https://4ort.xyz/entity/a-comparative-study-of-four-multi-scale-entropies-combined-with-grey-relational-degree-in-classification-of-ship-radiate