# Classification of spot-welded joint strength using ultrasonic signal time-frequency features and PSO-SVM method

> Research article (Ultrasonics, 2018) · cited 87× · AI/ML

**Wikidata**: [openalex:W2886442501](https://www.wikidata.org/wiki/openalex:W2886442501)  
**Source**: https://4ort.xyz/entity/classification-of-spot-welded-joint-strength-using-ultrasonic-signal-time-frequency-features-and-pso-svm-method