Wave Interactions and Imaging in Random Inhomogeneous Media

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Communication and imaging through the atmosphere, the ocean, the geophysical medium, or the biological medium by electromagnetic and acoustic waves are often severely affected by the random spatial and temporal variations of the medium. Although considerable progress has been reported on the interactions of waves with such random media, some fundamental questions are still not resolved, impeding progress in several important areas of application. Theoretical formulations for these problems are often complex, involving various assumptions and approximations, and their range of validity is difficult to determine. The researchers are attacking these problems using both analytical and experimental methods. The experiments are carefully controlled so that the results can be compared with theoretical predictions and extended by numerical computations. The results of these studies may be useful in various applications including atmospheric optics, ocean acoustics, geophysical remote-sensing, radars, lidars, ultrasound imaging, and optical inverse scattering of random inhomogeneous media.