Intensity Fluctuations Due to Moving Point Sources,
CAMBRIDGE UNIV (UNITED KINGDOM) DEPT OF APPLIED MATHEMATICS AND THEORETICAL P HYSICS
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An understanding of point sources in random media is essential if we are to deal with real sources, and effects such as source motion. Reliable theory now exists for the intensity fluctuations due to point sources in such media. Numerical simulations of such fluctuations agree with theoretical results. The intensity fluctuation theory and simulations have been extended to deal with the case of a moving source and observer. It is shown that as regards ensemble averaged quantities such as the intensity fluctuation spectra there is reciprocity does not exist if we are dealing with the detailed individual fluctuation pattern arising in a particular realization of a random medium.
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