WIPE

The reader interested in the theoretical foundations and developments of WIPE is refered to:

1.

``Fourier Interpolation and Reconstruction via Shannon-type Techniques. Part I: Regularization principle'', A. Lannes, E. Anterrieu and K. Bouyoucef, Journal of Modern Optics, 1994, vol. 41, no. 8, 1537-1574.

2.

``Fourier Interpolation and Reconstruction via Shannon-type Techniques. Part II: Technical developments and applications'', A. Lannes, E. Anterrieu and K. Bouyoucef, Journal of Modern Optics, 1994, vol. 41, no. 8, 1537-1574.

3.

``CLEAN and WIPE'', A. Lannes, E. Anterrieu and P. Maréchal, A&A Supplement Series, 1997, 123, 183-198.

We will focus here on the implementation of WIPE in MAPPING . WIPE deconvolution method can be divided in three main parts:

1.

Regularization: includes the definition of the aperture to be synthesized from the experimental aperture, the definition of the Neat Beam and the computation of the Dusty Beam and the Dusty Map;

2.

Deconvolution: is the heart of WIPE. WIPE uses clean as an initial solution to speed up the computations. WIPE defines an heuristic to build interactively the effective support of the observed object (the stability of the deconvolution is checked at each step);

3.

Error analysis: allows one to compute the condition number, the eigenvalues and eigenvectors of the ``mapping and gridding'' operator.