# Time–frequency analysis of VLF for seismic-ionospheric precursor detection: Evaluation of Zhao-Atlas-Marks and Hilbert-Huang Transforms

> Research article (Physics and Chemistry of the Earth Parts A/B/C, 2015) · cited 11× · AI/ML

**Wikidata**: [openalex:W2086824919](https://www.wikidata.org/wiki/openalex:W2086824919)  
**Source**: https://4ort.xyz/entity/timefrequency-analysis-of-vlf-for-seismic-ionospheric-precursor-detection-evaluation-of-zhao-atlas-marks-and-hilbert-hua