🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiSvenskaРусский中文日本語EntityQ1440227· pop 12· linked from 25 articlesAllan varianceAlso known as two-sample variance, AVARmeasure of frequency stability in clocks and oscillatorsAvailable in 11 languagesEspañolFrançaisDeutsch日本語РусскийItalianoCatalanPolskiSvenskaUkrainianvia Wikidata sitelinks · CC0Connectionsstandard deviationEntityvarianceEntityCategoriesClocksMeasurementSignal processing metrics