# An active geophone with an adjustable electromagnetic negative stiffness for low-frequency vibration measurement

> Research article (Mechanical Systems and Signal Processing, 2022) · cited 24× · AI/ML

**Wikidata**: [openalex:W4281487419](https://www.wikidata.org/wiki/openalex:W4281487419)  
**Source**: https://4ort.xyz/entity/an-active-geophone-with-an-adjustable-electromagnetic-negative-stiffness-for-low-frequency-vibration-measurement