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Abstract

1. Zagalsky, N.R., 1967. Exact spectral representation of truncated data. Proc. IEEE, 55: 117–118.

A method is presented for the improvement of the spectral resolution. The proposed technique evaluates the spectrum S(ω) by expanding S(ω) as a series sum of orthogonal functions, and solves for the coefficients of these functions in terms of the computed truncated spectrum ST(ω). This paper deals exclusively with Fourier spectral analysis, but is included here because it gives a useful development of the Fourier technique in offering a higher spectral resolution than the conventional method - in a way, forerunning the recent developments. A numerical application could have been instructive.

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