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direct wave

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direct wave [də¦rekt ′wāv]
(communications)
A radio wave that is propagated directly through space from transmitter to receiver without being refracted by the ionosphere.


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Although special taphonomic studies need to be carried out, it is obvious from the accompanying fauna (palaeocopid ostracods, rhynchonelliformean brachiopods) and primary description that the material was deposited in the conditions of normal marine salinity, but probably in extremely shallow water protected from direct wave action.
Some areas covered include ray-based tomography imaging methods, hybrid ray-wave imaging approaches, direct wave equation imaging of the Earth's interior, modeling wave propagation in complex structures, and numerical means of describing complicated Earth structures.
While in most countries, the tidal waves directly impacted on the coastal belt, in Sri Lanka, while the eastern coast was destroyed by direct wave impact (waves up to 13 m), its southern coast was severely damaged by the turbulent and rebound waves with considerable angular momentum with heights still reaching close to 10 m.
 
 
 
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