Abstract
Introduction. Backscattering of radar energy from the moon to the earth apparently depends upon at least two processes [Evans and Pettengill, 1963; Beckmann, 1965], specular returns dominating near the moon's leading edge and diffuse scattering near the limbs. A counting method for specular points is applied to moon radar and acoustic returns (from the deep ocean bottom), and with specularly scattered power taken as linearly proportional to the number of such points a sum is made with diffusely scattered energy, presumed proportional to projected area, to give an angular spectrum of the scattering of rough surfaces. Moon radar returns are analyzed and the results are applied incidentally to the deep ocean bottom.
Published Version
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