Abstract
Two techniques for studying wave propagation in random media, the quasi‐Rytov method and the smoothing method, have been applied to a problem involving radiation by a point source in a one‐dimensional random medium. Each method was used to calculate the mean field, and the results have been compared. It is found that the results are in substantial agreement outside a small region surrounding the source, but that inside this region they disagree. Some technical difficulties which are associated with the smoothing method, and which are related to this discrepancy, are discussed. It is concluded that, although the two methods yield essentially equivalent results (apart from the discrepancy in the near‐source region, which is generally not of practical importance), the quasi‐Rytov method is easier to apply than is the smoothing method. [Work supported by NORDA.]
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