| 单词 | wave velocity |
| 释义 | > as lemmaswave velocity wave velocity n. Physics = phase velocity n. at phase n.2 Compounds 2. ΘΚΠ the world > matter > physics > mechanics > types of motion > [noun] > wave > shape, speed, period, length, etc. waveform1845 wavelength1850 wave-front1867 wave-shell1877 wave velocity1887 wave period1909 transient1910 phase velocity1927 incoherence1938 waveshape1940 1887 Inst. Mech. Engineers: Proc. Aug. 426 Calculate out the result from the law that the group-velocity is half the wave-velocity—the velocity of a group of waves at sea is half the velocity of the individual waves. 1909 Proc. Royal Soc. Edinb. 29 446 The energy propagated in one wave-period across a plane at right angles to the direction of the wave-motion is equal to the energy contained in one wave-length of the group multiplied by the ratio of group-velocity to wave-velocity. 1910 S. P. Thompson Life Ld. Kelvin II. xxi. 861 The proposition that the wave-velocity is double [that] of the group-velocity. 1969 R. H. Webb Elem. Wave Optics v. 61 It is the wave velocity rather than the group velocity which is measured by refraction. < as lemmas |
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