# ANALYSIS ON THE TIME-FREQUENCY CHARACTERISTICS OF ULTRASONIC WAVEFORM OF COAL UNDER UNIAXIAL LOADING

> Research article (Fractals, 2019) · cited 23× · AI/ML

**Wikidata**: [openalex:W2954385487](https://www.wikidata.org/wiki/openalex:W2954385487)  
**Source**: https://4ort.xyz/entity/analysis-on-the-time-frequency-characteristics-of-ultrasonic-waveform-of-coal-under-uniaxial-loading