# Impact feature recognition method for non-stationary signals based on variational modal decomposition noise reduction and support vector machine optimized by whale optimization algorithm

> Research article (Review of Scientific Instruments, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W4205118443](https://www.wikidata.org/wiki/openalex:W4205118443)  
**Source**: https://4ort.xyz/entity/impact-feature-recognition-method-for-non-stationary-signals-based-on-variational-modal-decomposition-noise-reduction-an