# Roller bearing acoustic signature extraction by wavelet packet transform, applications in fault detection and size estimation

> Research article (Applied Acoustics, 2015) · cited 155× · AI/ML

**Wikidata**: [openalex:W2225448695](https://www.wikidata.org/wiki/openalex:W2225448695)  
**Source**: https://4ort.xyz/entity/roller-bearing-acoustic-signature-extraction-by-wavelet-packet-transform-applications-in-fault-detection-and-size-estima