# Ultrasonic echo waveshape features extraction based on QPSO-matching pursuit for online wear debris discrimination

> Research article (Mechanical Systems and Signal Processing, 2015) · cited 112× · AI/ML

**Wikidata**: [openalex:W2081723177](https://www.wikidata.org/wiki/openalex:W2081723177)  
**Source**: https://4ort.xyz/entity/ultrasonic-echo-waveshape-features-extraction-based-on-qpso-matching-pursuit-for-online-wear-debris-discrimination