# Wavelet Packet Energy-Entropy Feature Extraction and Principal Component Analysis for Signal Classification

> Research article (Proceeding Series of the Brazilian Society of Computational and Applied Mathematics, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W2211679188](https://www.wikidata.org/wiki/openalex:W2211679188)  
**Source**: https://4ort.xyz/entity/wavelet-packet-energy-entropy-feature-extraction-and-principal-component-analysis-for-signal-classification