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A comparative study of the shortening operators used in various data processing techniques in gravity interpretationNormal access

Authors: B. N. P. Agarwal and J agdeo Singh
Journal name: Geophysical Prospecting
Issue: Vol 25, No 1, March 1977 pp. 1 - 12
DOI: 10.1111/j.1365-2478.1977.tb01149.x
Organisations: Wiley
Language: English
Info: Article, PDF ( 613.74Kb )

Summary:
Discrete Fourier transform analysis provides an infinite number of weight coefficients for filters like upward and downward continuation. For practical applicability, the lengths of such filters have been reduced to a manageable number by various shortening operators, viz. those by Peters, Martin, Mufti, v. Hann, Hamming, and the truncation operator. A comparative study for choosing an operator which approximates the theoretical filter response best has indicated that Martin's shortening operator and the truncation operator are best, respectively, for normalized and non-normalized sets of weight coefficients.


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