Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Ivan Stefanov"'
Autor:
Lyubomir Stoyanov, Maya Zhekova, Aleksander Stefanov, Ivan Stefanov, Gerhard G. Paulus, Alexander Dreischuh
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)
Abstract We demonstrate an alternative approach for generating zeroth- and first-order long range non-diffracting Gauss–Bessel beams (GBBs). Starting from a Gaussian beam, the key point is the creation of a bright ring-shaped beam with a large radi
Externí odkaz:
https://doaj.org/article/38dbc2c62419435abd271b8ca746c377
Autor:
Ivan Stefanov
Publikováno v:
Philosophical Alternatives.
The process of liberation of Bulgarian culture from the orthodox aesthetics founded on class politics began in 1956 as an integral part of the general process of destalinisation and developed thanks to the formation of another generation of researche
Autor:
Tasheva, R., Ivan Stefanov
Publikováno v:
Scopus-Elsevier
The investigation of the data for quasi-periodic pulsations observed in the X-ray spectra of the accreting millisecond pulsar XTEJ 1807-294 allows some conclusions to be made about its main parameters - mass and angular momentum. Seven different geod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26251f37be052fe900321417635e6c4a
Publikováno v:
Optical and quantum electronics 54(1), 34 (2022). doi:10.1007/s11082-021-03399-5
Optical and quantum electronics 54(1), 34 (2022). doi:10.1007/s11082-021-03399-5
Published by Springer Science + Business Media B.V, Dordrecht [u.a.]
Published by Springer Science + Business Media B.V, Dordrecht [u.a.]
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af7b62588fcd45e09fe6e905fdab85ce
Autor:
Tanev, Atanas1 atanev@ecad.tu-sofia.bg, Uzunov, Ivan Stefanov2 ivan_uzunov@smartcom.bg, Ouzounov, Sotir3 sotir.ouzounov@philips.com, Hristov, Marin Hristov1 mhristov@ecad.tu-sofia.bg
Publikováno v:
Annual Journal of Electronics. 2015, Vol. 9, p46-49. 4p.
Autor:
Mitzev, Ivan Stefanov
Time series are very common in presenting collected data such as economic indicators, natural phenomenon, control engineering data, among others. In the last decade, the interest in time series data mining increased as the amount of collected data in
Externí odkaz:
http://pqdtopen.proquest.com/#viewpdf?dispub=10792772
Autor:
Gaydazhiev, Dobromir Georgiev1, Uzunov, Ivan Stefanov2 iuzunov@tu-sofia.bg
Publikováno v:
Annual Journal of Electronics. 2010, Vol. 4 Issue 2, p176-179. 4p.
Publikováno v:
Scopus-Elsevier
Chemometrical models for determination of milk fatty acids (FA) are typically developed using spectral data from a single spectroscopy technique, e.g., mid-infrared spectroscopy in milk control. Such models perform poorly in determining minor compone
Publikováno v:
IFAC Proceedings Volumes. 45:138-143
The Port of Varna East is one of the main port facilities on the West Black sea coast. A major issue in its future development is the question of whether to keep the port at its present location within the city limits or move it to another location a