# System identification-based frequency domain feature extraction for defect detection and characterization

> Research article (NDT & E International, 2018) · cited 22× · AI/ML

**Wikidata**: [openalex:W2802152792](https://www.wikidata.org/wiki/openalex:W2802152792)  
**Source**: https://4ort.xyz/entity/system-identification-based-frequency-domain-feature-extraction-for-defect-detection-and-characterization