# Few-shot working condition recognition of a sucker-rod pumping system based on a 4-dimensional time-frequency signature and meta-learning convolutional shrinkage neural network

> Research article (Petroleum Science, 2023) · cited 26× · AI/ML

**Wikidata**: [openalex:W4321792976](https://www.wikidata.org/wiki/openalex:W4321792976)  
**Source**: https://4ort.xyz/entity/few-shot-working-condition-recognition-of-a-sucker-rod-pumping-system-based-on-a-4-dimensional-time-frequency-signature-