On modelling and description of the output signal of a sampling device

• Autorzy: Borys Andrzej

Identyfikatory

DOI

10.24425/aee.2023.143694

• Języki publikacji: EN

Abstrakty

EN

The problem of an inconsistent description of an “interface” between the A/D converter and the digital signal processor that implements, for example, a digital filtering (described by a difference equation) – when a sequence of some hypothetical weighted Dirac deltas occurs at its input, instead of a sequence of numbers – is addressed in this paper. Digital signal processors work on numbers, and there is no “interface” element that converts Dirac deltas into numbers. The output of the A/D converter is directly connected to the input of the signal processor. Hence, a clear conclusion must follow that sampling devices do not generate Dirac deltas. Not the other way around. Furthermore, this fact has far-reaching implications in the spectral analysis of discrete signals, as discussed in other works referred to in this paper.

Słowa kluczowe

EN

signal sampling; modelling; ideal or non-ideal sampling; averaging operator; Dirac and Kronecker deltas

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2023
• Tom: Vol. 72, nr 1
• Strony: 147--155
• Opis fizyczny: Bibliogr. 43 poz., rys., wz.

Twórcy

autor

Borys Andrzej

• Department of Marine Telecommunications, Electrical Engineering Faculty Gdynia Maritime University ul. Morska 81-87, 81-225 Gdynia, Poland

• https://orcid.org/0000-0003-1316-4031

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).