Home›Browse›time-variant system🌐EnglishEnglishPolskiفارسی中文日本語EntityQ7804840· pop 5· linked from 28 articlestime-variant systemSign in to savesystem whose output depends on moment of observation and input signal applicationWikidata factsShow 1 more factopposite oftime-invariant systemvia Wikidata · CC0Available in 5 languages中文CatalanPolskiفارسیvia Wikidata sitelinks · CC0