Remarks on Recent Developments in Inverse Scattering Theory
Inverse scattering, as applied to such different fields as radar, geophysical probing, medical diagnostics, or non-destructive testing of materials with ultrasound attempts to identify or reconstruct a geometrical obstacle and structure illuminated by an electromagnetic, acoustic or elastic wave from the information contained in the scattered field. As illustrated by the far-field behavior, this information is available through the radiation pattern of the obstacle, which is generally a function of direction and frequency uniquely determined by the scattering geometry. The inversion process, therefore, requires the variation of the mutual situation of the transmitter and receiver and/or the frequency of the exciting wave.
KeywordsRadar Convolution Sine Compressibility Acoustics
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