A GENERALIZATION OF THE SAMPLING THEOREM TO THE FREQUENCY-TIME DOMAIN FOR SIGNAL DISCRETIZATION UNDER A PRIORI UNCERTAINTY

Content type:Original research

Published: 21-10-2021

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The object of research is

Whittaker-Kotelnikov-Shannon sampling theorem

The aim of research is to

Theoretical generalization of the sampling theorem for the frequency-time domain

Paper title

A GENERALIZATION OF THE SAMPLING THEOREM TO THE FREQUENCY-TIME DOMAIN FOR SIGNAL DISCRETIZATION UNDER A PRIORI UNCERTAINTY

Keywords

radio monitoring, a priori uncertainty, sampling theorem, frequency-time domain, signal detection-recovery, Fourier processor

Main scientific results imply the following

A mathematical model has been built for the discrete frequency-temporal representation of signals in the form of a double series using systems of orthogonal functions. Basic properties of the derived representation have been proved and investigated.

Scope of application

Development of effective methods, algorithms, and signal processing devices to overcome the structural-parametric a priori uncertainty

Limitations for practical use

If the signal spectrum width coincides with the processing band, bulky two-coordinate representation becomes impractical.

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