# An overlapping group sparse variation method for enhancing time–frequency modulation bispectrum characteristics and its applications in bearing fault diagnosis

> Research article (Measurement, 2025) · cited 22× · AI/ML

**Wikidata**: [openalex:W4407776906](https://www.wikidata.org/wiki/openalex:W4407776906)  
**Source**: https://4ort.xyz/entity/an-overlapping-group-sparse-variation-method-for-enhancing-timefrequency-modulation-bispectrum-characteristics-and-its-a