# Ultrasonic multi-frequency time-reversal-based imaging of extended targets

> Research article (NDT & E International, 2020) · cited 16× · AI/ML

**Wikidata**: [openalex:W3018602478](https://www.wikidata.org/wiki/openalex:W3018602478)  
**Source**: https://4ort.xyz/entity/ultrasonic-multi-frequency-time-reversal-based-imaging-of-extended-targets