Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Elizaveta O. Lobova"'
Publikováno v:
Sensors, Vol 23, Iss 4, p 2111 (2023)
Increasing the data transfer rate is an urgent task in cellular, high-frequency (HF) and special communication systems. The most common way to increase the data rate is to expand the bandwidth of the transmitted signal, which is often achieved throug
Externí odkaz:
https://doaj.org/article/8856e430df4f493eb2ff8e9578cc7005
Publikováno v:
Sensors, Vol 22, Iss 9, p 3488 (2022)
In this article, an algorithm for joint estimation of communication channel gains and signal distortions in a direct conversion receiver is proposed. The received signal model uses approximations with a small number of parameters to reduce the comput
Externí odkaz:
https://doaj.org/article/f7ce4e8efb8143c9bb306f179ebde338
Publikováno v:
T-Comm. 15:41-47
The article proposes an algorithm for nonlinear optimal filtering of the dispersion characteristic slope of the ionospheric channel (DC slope) based on the Kalman sigma-point filter when sounding the channel with broadband signals. The relevance of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c330612fffb5a7e6981bb0be7130606
https://doi.org/10.36724/2072-8735-2021-15-1-41-47
https://doi.org/10.36724/2072-8735-2021-15-1-41-47
Publikováno v:
SYNCHROINFO JOURNAL. 7:11-16
The article investigates the quality of algorithms for esimate the main parameters of wideband signals in the problem of over-the-horizon radar under conditions of dispersion distortions in the Earth’s ionosphere. The boundary values of the varianc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7af00afb86811ebb1cae914597c0dc6
https://doi.org/10.36724/2664-066x-2021-7-1-11-16
https://doi.org/10.36724/2664-066x-2021-7-1-11-16
Publikováno v:
T-Comm. 14:42-46
The article discusses an algorithm for generating a new class of polyphase pseudo-random sequences with a nonlinear generation algorithm for use in secure communication systems with spread spectrum technology. In particular, the proposed sequences ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83c342bf876e01e473e4c3f9a8d12be7
https://doi.org/10.36724/2072-8735-2020-14-8-42-46
https://doi.org/10.36724/2072-8735-2020-14-8-42-46
Publikováno v:
T-Comm. 14:57-63
This paper presents a class of multichannel cosine-modulated filter banks (CMFB) of analysis based on the modulation effect with a fast discrete-cosine transformation of the fourth type (DCT-IV), which is calculated using the fast Fourier transform.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7246439e78d45e4fdc01e92c81440366
https://doi.org/10.36724/2072-8735-2020-14-11-57-63
https://doi.org/10.36724/2072-8735-2020-14-11-57-63
Publikováno v:
2021 29th Telecommunications Forum (TELFOR).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4cd64bef0a4f41380602a2c443705e9
https://doi.org/10.1109/telfor52709.2021.9653244
https://doi.org/10.1109/telfor52709.2021.9653244
Publikováno v:
2021 23rd International Conference on Digital Signal Processing and its Applications (DSPA).
The use of digital receivers for processing broadband recordings involves processing and storing large amounts of data. The use of compression of the dynamic range of this data with loss of information and compression of data without loss of informat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfbd1becfef320bf8a728d9915a7d8c5
https://doi.org/10.1109/dspa51283.2021.9535814
https://doi.org/10.1109/dspa51283.2021.9535814
Publikováno v:
2018 Systems of Signals Generating and Processing in the Field of on Board Communications.
The article proposes a device for compensation of dispersion distortions, based on the modification of the classic M-channel system of digital banks of analysis and synthesis with an ideal recovery. The modification consists in adding additional comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a61bde2dc4f30cd4d7f8dd536bcb37a9
https://doi.org/10.1109/sosg.2018.8350615
https://doi.org/10.1109/sosg.2018.8350615