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Evaluation of BER for the EHF Communication System Serving Sharp-Coned Reentry Vehicles
Frontiers in Earth Science, 2022 “Communication blackout” could lead to severe risks to reentry vehicles. Previous studies have shown that EHF (extremely high frequency) communication is a potential solution to the “communications blackout” and was mostly used for blunt-coned vehicles ...
Xiaocui Yang +3 more
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Extremely High Frequency (EHF) Bands for Future Broadcast Satellite Services: Opportunities and Challenges [PDF]
IEEE Transactions on Broadcasting, 2019 The exploitation of the bandwidth portions in the millimeter wave domain, namely extremely high frequencies (EHFs) will open new perspectives to future satellite services, in particular for high quality TV broadcasting and multimedia content delivery. The present work aims at surveying the opportunities and challenges of EHF exploitation for broadband ...
Claudio Sacchi +3 more
openaire +6 more sources
Short-term prediction of rain attenuation level and volatility in Earth-to-Satellite links at EHF band [PDF]
Nonlinear Processes in Geophysics, 2008 This paper shows how nonlinear models originally developed in the finance field can be used to predict rain attenuation level and volatility in Earth-to-Satellite links operating at the Extremely High Frequencies band (EHF, 20–50 GHz).
L. de Montera +3 more
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Optimizing Dielectric Rod Antenna Performance with Spoof Surface Plasmon Polariton-Based Feeding Method [PDF]
SensorsThis study investigates the use of spoof surface plasmon polaritons (SSPPs) as an effective feeding mechanism for antennas functioning within the extremely high-frequency (EHF) range.
Rishitej Chaparala +6 more
doaj +2 more sources
RUDN Journal of Ecology and Life Safety, 2023 The result indicates the possibility of creating methods to stimulate the growth rate of microalgae by extremely high frequency electromagnetic radiation (EHF EMF).
Gleb A. Shcheglov
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THE TE₀₁ WAVE EXCITATION IN A CIRCULAR WAVEGUIDE USING HIGHER-ORDER MODES OF AN OPEN RESONATOR [PDF]
Radio Physics and Radio Astronomy, 2023 Subject and Purpose. Peculiarities of the TE₀₁ wave excitation in a circular waveguide located in the center of the flat mirror of a hemispherical open resonator (OR) are studied using the OR oscillation type TEМ₃₀q and the OR degenerate oscillation type
I. K. Kuzmichov +4 more
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AIP Advances, 2022 Plasma sheaths enveloping hypersonic vehicles could yield a communication blackout. Many previous studies have shown that the electromagnetic wave in an extremely high frequency (EHF) band could penetrate a hypersonic plasma sheath effectively.
Xiaocui Yang +3 more
doaj +1 more source
Propagation Characteristics of Modulated EHF Signal in the Wake Region of Plasma Sheath
Aerospace, 2022 A large number of studies have confirmed that the wake region may be a more ideal antenna installation area for the reentry vehicle communication problem, but many practical issues such as how to choose the modulation mode, carrier frequency, and antenna
Xiaocui Yang +4 more
doaj +1 more source
Automatika, 2023 “Extremely High Frequency (EHF)” and “Very high frequency (VHF)” bands are mainly utilized with “Underwater Wireless Sensor Networks (UWSNs)” for communication purposes.
Hisham A. Shehadeh +4 more
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Peculiarities of wheat seed resonant exposure to microwave radiation through oxygen-enriched water [PDF]
Радиофизика и электроника, 2021 Subject and Purpose. Peculiarities are considered of a purposeful modification of the functional indices of wheat seeds upon their soaking in water preliminarily enriched with oxygen and simultaneously irradiated with a low-intensity electromagnetic ...
О.I. Kovalenko, F.V. Kivva, A.N. Roenko
doaj +1 more source