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Abstract A method is described of calculating the diffraction effects produced by a thick stratum of an irregular refracting medium. It consists of evaluating the statistics of the phase irregularities in the wave-front after traversing the medium, and treating these irregularities as having been produced by a thin phase-changing screen. For a particular statistical model of the irregularities in the medium the result is shown to be identical with that obtained by Fejer using a different method.
E.N. Bramley (Wed,) studied this question.