Abstract
The propagation of a transient surface wave in the form of an impulse into a lossy medium is examined via a simple two-dimensional plane wave model. The solution found exhibits characteristics of both wave propagation and diffusion. This impulse response is used as a basis for calculating the response to an arbitrary excitation at a point on the surface. For observation times longer than the time duration of the surface disturbance, the form of this solution is equivalent to a moment expansion. The limits imposed on the signalling band width by the losses in the medium are discussed.
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