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The standard impedance condition is the simplest way of simulating the material properties of a planar surface. This method is only accurate if the coating is very thin or lossy. To improve the accuracy, generalized impedance conditions can be used to simulate the material properties of a planar surface. The accurate solution of a scattering problem via planar slab depends on its thickness, the wavelength of incident wave, and material properties of the slab. Since boundary condition is local in character, accurac...

Surface waves and related currents are analyzed to predict earthquakes. It is further known that earthquakes are associated with the emission of different types of electromagnetic waves. Since earthquakes axe so very powerful, the electromagnetic waves associated with them would also be quite powerful. Seismic electromagnetic phenomena may be useful for short-term prediction. Substantial effort over many years has led to considerable progress being made in the field of long-term prediction. Electromagnetic waves a...