# Automated weak signal frequency estimation method based on Duffing oscillator and particle swarm optimization

> Research article (Measurement Science and Technology, 2022) · cited 11× · AI/ML

**Wikidata**: [openalex:W4306878297](https://www.wikidata.org/wiki/openalex:W4306878297)  
**Source**: https://4ort.xyz/entity/automated-weak-signal-frequency-estimation-method-based-on-duffing-oscillator-and-particle-swarm-optimization