# Allan variance

> measure of frequency stability in clocks and oscillators

**Wikidata**: [Q1440227](https://www.wikidata.org/wiki/Q1440227)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Allan_variance)  
**Source**: https://4ort.xyz/entity/allan-variance


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)