# Dynamic discrimination method of seismic damage in tunnel portal based on improved wavelet packet transform coupled with Hilbert-Huang transform

> Research article (Mechanical Systems and Signal Processing, 2022) · cited 55× · AI/ML

**Wikidata**: [openalex:W4311570864](https://www.wikidata.org/wiki/openalex:W4311570864)  
**Source**: https://4ort.xyz/entity/dynamic-discrimination-method-of-seismic-damage-in-tunnel-portal-based-on-improved-wavelet-packet-transform-coupled-with