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- C Aime, E Aristidi, H Lantéri, G Ricort
- Applied optics
- 1993

We describe the relations between the statistics of the speckled image I(x) that is produced by an astronomical object at the focus of a telescope and the statistics of the point-source speckle pattern S(x) that is obtained under comparable conditions of turbulence. We show that the characteristic function (CF) of I(x) can be written as a central slice of a… (More)

- Y. Cavallin, A. Ferrari, H. Lanteri
- 2002 11th European Signal Processing Conference
- 2002

This communication adresses the parameter estimation problem using the minimization of a Whittle-type criterion when the spectrum parametrization is linear versus the unknown parameters. In this case, the global convergence of a particular iterative minimization algorithm is proved. This estimation method applies to stellar speckle interferometry for the… (More)

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