# A Novel Convolutional Neural Network Based on Time–Frequency Spectrogram of Arc Sound and Its Application on GTAW Penetration Classification

> Research article (IEEE Transactions on Industrial Informatics, 2020) · cited 59× · AI/ML

**Wikidata**: [openalex:W3010105854](https://www.wikidata.org/wiki/openalex:W3010105854)  
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