English

Noun
wikipedia
group velocity

#physics 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.

See also
phase velocity

Translations
trans-top|propagation velocity of a wave envelope
trans-mid
Japanese: JAchar|群�度 (JAchar|�����, gunsokudo)
trans-bottom

• 2007-08-05 13:35 - Tohru - /* English */ revised def combining two senses as they would be essentially one concept

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