Zobrazeno 1 - 10
of 23
pro vyhledávání: '"O. V. Lazorenko"'
Autor:
O. V. Lazorenko, L. F. Chernogor
Publikováno v:
Radio Physics and Radio Astronomy, Vol 29, Iss 1, Pp 046-067 (2024)
Subject and Purpose. At the beginning of the 21st century, a fundamentally new scientific direction was formed, currently known as fractal radiophysics. The present work is an overview of the principal theoretical and practical ideas concerning "frac
Externí odkaz:
https://doaj.org/article/b7f5b7e470d8456f90185c7dfc6ed49c
Autor:
O. V. Lazorenko, L. F. Chernogor
Publikováno v:
Radio Physics and Radio Astronomy, Vol 28, Iss 1, Pp 5-70 (2023)
Subject and Purpose. The subject of this paper is to review the principal methods of fractal and multifractal analysis of signals and processes, in combination with a detailed consideration of the algorithms that can provide for a successful practica
Externí odkaz:
https://doaj.org/article/3122b238f13d4026bdb526d47ec80332
Publikováno v:
Visnik Harkivsʹkogo Nacionalʹnogo Universitetu im. V.N. Karazina. Cepiâ Matematika, Prikladna Matematika i Mehanika, Vol 96, Pp 56-58 (2022)
26 серпня 2022 року відійшов у засвіти доцент кафедри Вищої математики та інформатики Харківського національного університету імені В.Н. К
Externí odkaz:
https://doaj.org/article/fc62d1e9162640a6baf220004e3a3108
Autor:
O. V. Lazorenko, L. F. Chernogor
Publikováno v:
Radio Physics and Radio Astronomy, Vol 25, Iss 1, Pp 3-77 (2020)
Purpose: Currently, there is a tendency to “fractalize” the science. Radiophysics is no exception. The subject of this work is a review of the basic ideas of “fractalization”, the mathematical foundations of modern fractal methods for describ
Externí odkaz:
https://doaj.org/article/47c38983eed14b8986feb28447952e41
Autor:
O. V. Lazorenko, L. F. Chernogor
Publikováno v:
Radio Physics and Radio Astronomy, Vol 20, Iss 3, Pp 223-237 (2015)
Using the Choi-Williams transform, belonging to the Cohen’s class of non-linear transforms, the time-frequency analysis of the model signals with peculiarities, was made. The models of the Dirac δ-function and its first derivation, their sum with
Externí odkaz:
https://doaj.org/article/016bdd42443d40ef802c3ca5f6ef1182
Publikováno v:
V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics. :56-58
On August 28, 2022, a docent at the Department of High mathematics and informatics of V. N. Karazin Kharkiv National University Vyacheslav Oleksijovich Rezunenko passed away. The bright memory of Vyacheslav Oleksijovich Rezunenko, a real scientist an
Autor:
L. F. Chernogor, O. V. Lazorenko
Publikováno v:
Radio Physics and Radio Astronomy, Vol 20, Iss 3, Pp 223-237 (2015)
Using the Choi-Williams transform, belonging to the Cohen’s class of non-linear transforms, the time-frequency analysis of the model signals with peculiarities, was made. The models of the Dirac δ-function and its first derivation, their sum with
Autor:
O. V. Lazorenko
Publikováno v:
Radioelectronics and Communications Systems. 52:397-404
The atomic functions and the Kravchenko-Rvachev windows based on these functions are proposed as a tool in performing the Choi-Williams analysis of signals. A new class of nonlinear transforms (Choi-Williams-Rvachev transforms) has been considered. A
Autor:
O. V. Lazorenko
Publikováno v:
Telecommunications and Radio Engineering. 68:1081-1090
Publikováno v:
Doklady Physics. 52:544-548