A method of stabilizing the clean algorithm

Details A method of stabilizing the clean algorithm A method of stabilizing the clean algorithm

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...121..281c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 121, no. 2, May 1983, p. 281-285.

Astronomy and Astrophysics

Astronomy

59

Algorithms, Convolution Integrals, Image Processing, Numerical Stability, Radio Astronomy, Data Reduction, Data Smoothing, Fourier Transformation, Image Reconstruction, Point Spread Functions

Scientific paper

The clean algorithm often employed for the deconvolution of Fourier synthesis point spread functions from radio astronomy images is presently subjected to a simple and inexpensive modification which stabilizes the well known instability it exhibits when applied to the estimation of the visibility function is unsampled regions of the u,v-plane. Attention is given to the use of the algorithm, thus modified, in the reduction of VLA C-configuration observations of SGR-A made at 20 cm by Ekers et al. (1982).

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