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direction of propagation |
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direction of propagation [də′rek·shən əv ‚präp·ə′gā·shən] (physics) The normal to a surface of constant phase, in a propagating wave. The direction of the group velocity. The direction of time-average energy flow.(In a homogeneous isotropic medium, these three directions coincide.) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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direction direction angles direction cosine direction finder direction finder deviation direction indicator direction numbers direction of propagation direction of relative movement direction ratios direction rectifier direction-finder-bearing indicator direction-finding net direction-giving beacon direction-independent radar |
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