# Feature extraction using Discrete Wavelet Transform for fault classification of planetary gearbox – A comparative study

> Research article (Applied Acoustics, 2021) · cited 76× · AI/ML

**Wikidata**: [openalex:W4200062069](https://www.wikidata.org/wiki/openalex:W4200062069)  
**Source**: https://4ort.xyz/entity/feature-extraction-using-discrete-wavelet-transform-for-fault-classification-of-planetary-gearbox-a-comparative-study