# Transformer Aging Diagnosis Method Based on Raman Spectroscopy Wavelet Packet-SPCA Feature Extraction

> Research article (IEEE Transactions on Instrumentation and Measurement, 2022) · cited 21× · AI/ML

**Wikidata**: [openalex:W4312409955](https://www.wikidata.org/wiki/openalex:W4312409955)  
**Source**: https://4ort.xyz/entity/transformer-aging-diagnosis-method-based-on-raman-spectroscopy-wavelet-packet-spca-feature-extraction