| 单词 | wave group |
| 释义 | > as lemmaswave group wave group n. a short group of waves, not necessarily of uniform wavelength or amplitude. ΘΚΠ the world > matter > physics > science of sound > sound-waves > [noun] > group of wave group1923 the world > matter > physics > mechanics > types of motion > [noun] > wave > series of waves wave-train1897 wave group1923 the world > matter > physics > electromagnetic radiation > light > [noun] > rays or waves > set of pencil1665 optic pencil1704 cone of rays1706 sheaf1863 wave group1923 1877 Nature 23 Aug. 343/1 (heading) On the rate of progression of groups of waves.] 1923 H. Moore Textbk. Intermediate Physics xxxii. 317 A noise consists of a single wave or of a very short wave-group, while a musical note consists of a regular succession of similar waves constituting a regular wave-train. 1952 R. W. Ditchburn Light iv. 95 In a dispersive medium, the components of a wave group move with different speeds, and the phase relations between the components are altered. 1978 I. G. Main Vibrations & Waves in Physics xii. 210 Any isolated wave group may be viewed as a superposition of many sinusoidal waves. < as lemmas |
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