group velocity

Noun

 * 1)  the propagation velocity of the envelope of a modulated travelling wave, which is considered as the propagation velocity of information or energy contained in it.

Translations

 * Arabic: سرعة الزمرة
 * Armenian: խմբային արագություն
 * Belarusian: групавая скорасць
 * Catalan: velocitat de grup
 * Chinese:
 * Mandarin:
 * Czech: grupová rychlost
 * Esperanto: grupa rapido
 * Finnish: ryhmänopeus
 * Georgian: ჯგუფური სიჩქარე
 * German: Gruppengeschwindigkeit
 * Hebrew: מהירות חבורה
 * Hungarian:
 * Italian: velocità di gruppo
 * Japanese: 群速度
 * Kazakh: топтық жылдамдық
 * Korean: 군속도
 * Lithuanian: grupinis greitis
 * Macedonian: групна брзина
 * Norwegian: gruppefart
 * Persian: سرعت گروه
 * Polish: prędkość grupowa
 * Russian:
 * Slovene: skupinska hitrost
 * Spanish: velocidad de grupo
 * Swedish: grupphastighet
 * Turkish: grup hızı
 * Ukrainian: групова́ шви́дкість
 * Vietnamese: vận tốc nhóm