# An improved NOFRFs-based fault feature extraction method and its application to quantitative diagnosis in rotor rub-impact

> Research article (Journal of Sound and Vibration, 2021) · cited 26× · AI/ML

**Wikidata**: [openalex:W3194431884](https://www.wikidata.org/wiki/openalex:W3194431884)  
**Source**: https://4ort.xyz/entity/an-improved-nofrfs-based-fault-feature-extraction-method-and-its-application-to-quantitative-diagnosis-in-rotor-rub-impa