Zobrazeno 1 - 10
of 79
pro vyhledávání: '"P. Bezousek"'
Autor:
P. Bezousek, Z. Nemec
Publikováno v:
Radioengineering, Vol 17, Iss 4, Pp 51-54 (2008)
The papers deals with a modeling of a Time- Difference of Arrival system for a subscriber station localization, based on the 802.11 standard wireless network. In the case of severe multipath effects the standard TDOA estimation methods, based on corr
Externí odkaz:
https://doaj.org/article/e8c0a7716c9144e0ae704e33d04dcb44
Publikováno v:
Radioengineering, Vol 17, Iss 4, Pp 75-79 (2008)
The paper deals with low-level car detection methods in images. The car detection is an integral part of all intelligent car cruise systems. This article describes the method for suppression of the edges produced by classical edge's operators, based
Externí odkaz:
https://doaj.org/article/dac63eeb305941239b87115e516ea8be
Autor:
V. Schejbal, P. Bezousek
Publikováno v:
Radioengineering, Vol 17, Iss 3, Pp 53-59 (2008)
Radar systems, based on bistatic radar concept attracted a substantial attention in the recent years. Passive coherent location systems using "transmitters of opportunity" like radio or TV broadcasters, GSM base stations, satellite communication and
Externí odkaz:
https://doaj.org/article/40fc0fa84b8742c1810aeccf75663c2c
Publikováno v:
Radioengineering, Vol 15, Iss 4, Pp 52-57 (2006)
The UWB (ultra wide band) radar output signals can be substantially affected due to electromagnetic wave propagation through obstacles (such as walls) and multipath effects, too. Multipath effects are analyzed and simulated numerically for various ca
Externí odkaz:
https://doaj.org/article/5400c2ada42d433d81a13196acbc3bb6
Publikováno v:
Radioengineering, Vol 15, Iss 1, Pp 17-24 (2006)
The propagation of ultra wide band (UWB) signals through walls is analyzed. For this propagation studies, it is necessary to consider not only propagation at a single frequency but in the whole band. The UWB radar output signal is formed by both tran
Externí odkaz:
https://doaj.org/article/a06f37e0e2f0480a977dba9d9682ea1e
Autor:
Pavel Bezousek, Simeon Karamazov
Publikováno v:
IEEE Access, Vol 12, Pp 105481-105487 (2024)
Monopulse methods have been successfully used in radar to determine the direction of arrival of a reflected signal, giving good results when a single isolated target is involved. However, when two nearby targets need to be detected and their angular
Externí odkaz:
https://doaj.org/article/ec1a6d3879a349b893e80666ebb05ca3
Autor:
Simeon Karamazov, Pavel Bezousek
Publikováno v:
IEEE Access, Vol 11, Pp 48860-48867 (2023)
This paper presents the design of signal compression and separation filters with asymmetric responses for multiple-input multiple-output (MIMO) radars that use pulses longer than the maximum return time of the reflected signal. Such radars suffer fro
Externí odkaz:
https://doaj.org/article/1229dc9a7e9d4c1c90285683700bdb66
Autor:
Pavel Bezousek, Simeon Karamazov
Publikováno v:
IEEE Access, Vol 10, Pp 108251-108260 (2022)
This study presents a new signal and filter design procedure for long-range multiple-input multiple-output (MIMO) radars with a pulse length shorter than the return time of signals reflected by the most distant targets. The proposed algorithm adopts
Externí odkaz:
https://doaj.org/article/cb23a246349c482da5125e24b6245c55
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