# An approach combining periodicity ratio and secondary Poincaré map for characteristics diagnosis of nonlinear oscillatory systems

> Research article (Nonlinear Dynamics, 2015) · cited 12× · AI/ML

**Wikidata**: [openalex:W2209515787](https://www.wikidata.org/wiki/openalex:W2209515787)  
**Source**: https://4ort.xyz/entity/an-approach-combining-periodicity-ratio-and-secondary-poincare-map-for-characteristics-diagnosis-of-nonlinear-oscillator