# Early Fault Diagnosis for Planetary Gearbox Based Wavelet Packet Energy and Modulation Signal Bispectrum Analysis

> Research article (Sensors, 2018) · cited 38× · AI/ML

**Wikidata**: [openalex:W2892180516](https://www.wikidata.org/wiki/openalex:W2892180516)  
**Source**: https://4ort.xyz/entity/early-fault-diagnosis-for-planetary-gearbox-based-wavelet-packet-energy-and-modulation-signal-bispectrum-analysis