Results 1 to 10 of about 14,437 (164)
Radio-Wave Communication With Chaos [PDF]
IEEE Access, 2020 Chaotic signals require very wide bandwidth to be transmitted in a practical channel, which is difficult for the practical transducer or antenna to convert such a broadband signal. To address this problem, in this work, Chaotic Shape-forming Filter (CSF)
Chao Bai +3 more
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RADIO COMMUNICATION SYSTEM IN EMERCOM OF RUSSIA [PDF]
Актуальные вопросы пожарной безопасности, 2022 The article is devoted to the problem of communication in the Ministry of the Russian Federation for Civil Defence, Emergencies and Elimination of Consequences of Natural Disasters (EMERCOM of Russia).
Sergey V. Patsuk +3 more
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Directional link attenuation in millimeter-wave range based on empirical model modification [PDF]
Biuletyn Wojskowej Akademii Technicznej, 2022 The upcoming fifth and next generation mobile phone systems will use not only the frequencybands of sub-6 GHz but also the millimeter-wave and terahertz bands.
Dawid Pawlak, Jan M. Kelner
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Research on the safety threshold of radio wave explosion-proof
Gong-kuang zidonghua, 2023 The powerful radio waves can ignite explosive gases. Therefore, it is necessary to reasonably set the radio wave explosion-proof safety power and energy threshold emitted by the radio transmitter to limit the radio wave power and energy emitted by the ...
SUN Jiping +3 more
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Surface Electromagnetic Waves at Seawater-Air and Seawater-Seafloor Interfaces
IEEE Open Journal of Antennas and Propagation, 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.
Igor I. Smolyaninov +2 more
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Influence of underground radio wave on human body in coal mine
Gong-kuang zidonghua, 2022 The large-power radio waves emitted by 5G, WiFi6, UWB, ZigBee and other mine mobile communication systems and personnel and vehicle positioning systems will affect the health of underground personnel.
DING Xuhai +3 more
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Research on safe power threshold of radio wave explosion-proof in coal mine
Gong-kuang zidonghua, 2022 In order to prevent gas explosion caused by radio waves emitted by wireless equipment in the coal mine, the power and energy of radio waves in coal mines should be limited.
LIANG Weifeng +4 more
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Superlensing enables radio communication and imaging underwater
Scientific Reports, 2023 Wireless radio communications provide a backbone to our technological civilization. However, radio communications are widely believed to be impossible in many situations where radios are surrounded by conductive media, such as underwater or underground ...
Igor I. Smolyaninov +3 more
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Resource Management in Converged Optical and Millimeter Wave Radio Networks: A Review
Applied Sciences, 2021 Three convergent processes are likely to shape the future of the internet beyond-5G: The convergence of optical and millimeter wave radio networks to boost mobile internet capacity, the convergence of machine learning solutions and communication ...
Doruk Sahinel +2 more
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Issues with Modeling a Tunnel Communication Channel through a Plasma Sheath
Sensors, 2022 We consider two of the most relevant problems that arise when modeling the properties of a tunnel radio communication channel through a plasma layer. First, we studied the case of the oblique incidence of electromagnetic waves on a layer of ionized gas ...
Anna V. Bogatskaya +5 more
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