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Digital Processing Methods for Aperture Synthesis Observations

Published online by Cambridge University Press:  12 April 2016

B. G. Clark
B. G. Clark*
Affiliation:
National Radio Astronomy Observatory. Operated by Associated Universities, Inc. under contract with the National Science Foundation

Extract

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The rapid growth, over the last two decades, of the amount of digital arithmetic capability available for a given cost is obvious to all, and is apparently not yet at an end. Therefore, any discussion of the best equipment and even of the best algorithms with which to attack a given problem will soon become obsolete as decreasing costs bring things previously considered inconceivable within economic feasibility. The general trend is that, as the cost of hardware decreases, the discussions of algorithms and procedures becomes simpler, as fewer approximations have to be made, and the mathematically simple correct formulae may be directly implemented.

Type
Part III: Processing Techniques and Display Methods
Information
International Astronomical Union Colloquium , Volume 49: Image Formation from Coherence Functions in Astronomy , 1979 , pp. 113 - 120
Copyright
Copyright © Reidel 1979

References

Cooley, J.W. and Tukey, J.W.: 1965, “Math, of Computation” 19, 297.Google Scholar
Frater, R.: 1978, “Astron. and Astrophys.”, in press.Google Scholar
Patterson, R.W. and McClellan, J.H.: 1978, “IEEE Trans, on Acoustics, Speech and Signal Processing”, in press.Google Scholar
Winograd, S.: 1978, “Math, of Computation” 32, 175.CrossRefGoogle Scholar