Zobrazeno 1 - 10
of 2 146
pro vyhledávání: '"Radio communication"'
Autor:
Peter Schwarzbözl, Inga Miadowicz, Daniel Maldonado Quinto, Julian Golembiewski, Pascal Jörke, Timm Faulwasser, Christian Wietfeld
Publikováno v:
SolarPACES Conference Proceedings, Vol 2 (2024)
Wiring of heliostat fields for solar tower plants is a cost factor that becomes more important as the overall cost target is decreasing. Wireless heliostats with radio communication and autarchic energy supply have therefore been proposed in the past
Externí odkaz:
https://doaj.org/article/f117709ea54b42cba4905a55ee362ca9
Autor:
Marcus Dansarie
Publikováno v:
IEEE Access, Vol 12, Pp 91101-91126 (2024)
For applications where general-purpose communication systems, such as mobile telephony, do not satisfy user requirements, special-purpose digital wireless communication standards have been developed. Since these systems often support critical infrast
Externí odkaz:
https://doaj.org/article/b89b149901b441d1bc36f0691b22707d
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 26, Iss 4, Pp 60-67 (2024)
Background. There is a growing need for active sensory diagnostics of partial HF channels to provide frequency support to quasi-zenith HF radio links in varying signal propagation conditions. Enhancing the efficiency of active sensor algorithms, part
Externí odkaz:
https://doaj.org/article/15e5f3cbd2a2493382ad5244fab2b510
Publikováno v:
Sensors, Vol 24, Iss 13, p 4299 (2024)
In the present study, we used two popular radio communication SAW resonators as a base for gas sensors and tested their performance. Taking into account issues related to sensor sensitivity, the possibility of applying a sensor layer, the availabilit
Externí odkaz:
https://doaj.org/article/e1521e5321f042dbad98d6f8d1c2e766
Autor:
Alexey Yu. Grishentsev
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 23, Iss 4, Pp 812-819 (2023)
Reliability of the communication system with spatial multiplexing has been studied. Increasing the bandwidth of radio communication channels due to spatial multiplexing is one of the most popular and relevant areas of modern research in the field of
Externí odkaz:
https://doaj.org/article/5d5cc4de00c847578b4a740ab0d95157
Publikováno v:
IEEE Access, Vol 11, Pp 11711-11731 (2023)
In this paper, a new drivers’ warning application through personalized Direct-Sequence Spread Spectrum Code-Division Multiple Access (DSSS-CDMA) transmissions, performed using the FM radio broadcasting infrastructure is presented. The proposed appl
Externí odkaz:
https://doaj.org/article/f580e25158894e32b5faa63ad3eab800
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 4, Pp 51-59 (2023)
Underwater radio communication using surface electromagnetic waves propagating along the seawater-air and seawater-sea floor interfaces may provide a promising alternative to commonly used acoustic communication underwater. Here we present a detailed
Externí odkaz:
https://doaj.org/article/bc7baec9d07b4b639c68471f3e1561d7
Publikováno v:
Vojnotehnički Glasnik, Vol 70, Iss 4, Pp 856-876 (2022)
Introduction/purpose: The frequency hopping spread spectrum (FH-SS) technique assumes the carrier generated by the syntesizer to hop from frequency to frequency over a wide bandwidth, according to a pseudonoise code sequence defined by the code se
Externí odkaz:
https://doaj.org/article/a731d94509fe47509f075771dd6008d3
Publikováno v:
Journal of Telecommunications and Information Technology, Iss 2 (2023)
Our aim is to develop the method of location subscriber to be used in military communication nets. This method is based on frequency offset measurement. Analytic description of the Doppler effect creates one of such possibilities. In this paper, an o
Externí odkaz:
https://doaj.org/article/fed031ee792e426aaaf27dabcfe51f65
Autor:
Ryszard Strużak
Publikováno v:
Journal of Telecommunications and Information Technology, Iss 4 (2023)
This paper reviews possible improvements in the use of radio waves for carrying information from an engineering viewpoint. A few new concepts are proposed, which reduce the problem to an arrangement of solids in a multidimensional space.
Externí odkaz:
https://doaj.org/article/2632170d07264848aab07d1ee48bf395