An expression for the mutual power spectrum as it propagates through a random medium is obtained. This result, valid for large values of wave numbers, generalizes the expression previously found by Beran in that it does not require the two relevant points to lie on the same transverse plane. We show that Beran’s analysis is appropriate for studying propagation of millimeter waves through the atmosphere, and that for this case we can use our result in predicting the mutual power spectrum for an arbitrary pair of points.
© 1969 Optical Society of AmericaFull Article | PDF Article
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