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Formulation of stellar speckle interferometry in terms of joint spatial/spatial-frequency representations.

We propose a generalized formulation of stellar speckle interferometry (SSI) and related techniques in terms of joint spatial/spatial-frequency energy representations. We show how, within this formulation, techniques such as that of Knox-Thompson, or even standard SSI, appear to be particular implementations of a more general method. This generalized SSI is derived in a straightforward manner from the proposed joint formulation. Results from a computer simulation are presented.