Acoustic focusing effect based on artificial periodic structure
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DOI: 10.1063/1.5109603
Abstract: To achieve high-efficiency acoustic focusing, an artificial periodic acoustic structure composed of two-dimensional three-component cell arrays was used to manipulate the transmission wave fronts of acoustic waves, and the acoustic field characteristics were numerically simulated… read more here.
Keywords: acoustic wave; wave; effect; structure ... See more keywords
Artificial Periodic Irregularities and Temperature of the Lower Thermosphere
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DOI: 10.3390/atmos14050846
Abstract: The results of temperature measurements in the lower thermosphere at altitudes of 90–130 km by the method of resonant scattering of radio waves on artificial periodic inhomogeneities (APIs) of the ionospheric plasma are presented. These… read more here.
Keywords: periodic irregularities; artificial periodic; temperature lower; temperature ... See more keywords