Abstract

The zero-crossing rate of differentiated speckle whose intensity is governed by a negative exponential probability-density function (i.e., fully developed speckle) is evaluated in closed form with the use of an exact expression for the joint probability-density function of the intensity and its first two derivatives. The conditional zero-crossing rate of differentiated speckle, given that the intensity is specified, is also obtained in closed form.

© 1994 Optical Society of America

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