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Modeling Radio Wave Propagation for Wireless Sensor Networks in Vegetated Environments: A Systematic Literature Review. [PDF]

open access: yesSensors (Basel), 2022
The use of wireless sensor networks (WSN) for monitoring variables in agricultural environments and natural forests has been increasing in recent years.
Barrios-Ulloa A   +4 more
europepmc   +2 more sources

Empirical Model of Radio Wave Propagation in the Presence of Vegetation inside Greenhouses Using Regularized Regressions. [PDF]

open access: yesSensors (Basel), 2020
Spain is Europe’s leading exporter of tomatoes harvested in greenhouses. The production of tomatoes should be kept and increased, supported by precision agriculture to meet food and commercial demand. The wireless sensor network (WSN) has demonstrated to
Cama-Pinto D   +6 more
europepmc   +2 more sources

Radio Wave Propagation and WSN Deployment in Complex Utility Tunnel Environments. [PDF]

open access: yesSensors (Basel), 2020
The significant growth of wireless communications systems in the last years has led to the adoption of a wide range of applications not only for the general public but, also, including utilities and administrative authorities.
Celaya-Echarri M   +7 more
europepmc   +2 more sources

The 6 September 2017 X-Class Solar Flares and Their Impacts on the Ionosphere, GNSS, and HF Radio Wave Propagation. [PDF]

open access: yesSpace Weather, 2018
On 6 September 2017, the Sun emitted two significant solar flares (SFs). The first SF, classified X2.2, peaked at 09:10 UT. The second one, X9.3, which is the most intensive SF in the current solar cycle, peaked at 12:02 UT and was accompanied by solar ...
Yasyukevich Y   +5 more
europepmc   +2 more sources

Path loss dataset for modeling radio wave propagation in smart campus environment. [PDF]

open access: yesData Brief, 2018
Path loss models are often used by radio network engineers to predict signal coverage, optimize limited network resources, and perform interference feasibility studies.
Popoola SI   +3 more
europepmc   +2 more sources

Magnetic fields in the accretion disks for various inner boundary conditions [PDF]

open access: yesAstronomy & Astrophysics, 2021
Context. The magnetic fields of accretion disks play an important role in studying their evolution. We may assume that its generation is connected to the dynamo mechanism, which is similar with that in the galactic disks. Aims.
D. Boneva   +17 more
semanticscholar   +1 more source

Lidar for atmospheric transparency monitoring [PDF]

open access: yesEPJ Web of Conferences, 2021
The transparency of the atmosphere affects the quality of astronomical observations and optical communications, but above all, it directly controls the fluxes of radiation, which is of particular interest for the study of weather and climate changes. The
Shevtsov Boris   +3 more
doaj   +1 more source

Simultaneous lithospheric-atmospheric signals of acoustic emission at “Karymshina” site in Kamchatka [PDF]

open access: yesEPJ Web of Conferences, 2021
We present the results of complex lithospheric-atmospheric investigations of acoustic emission in a seismically active region (Kamchatka peninsula).
Larionov Igor   +2 more
doaj   +1 more source

АНАЛИЗ ГЕОМАГНИТНЫХ ДАННЫХ И КОСМИЧЕСКИХ ЛУЧЕЙ В ПЕРИОДЫ ПОВЫШЕННОЙ СОЛНЕЧНОЙ АКТИВНОСТИ [PDF]

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2016
We performed analysis of the cosmic rays variations and studied features of geomagnetic field variations during periods of increased solar activity. The paper applies a new methods of modeling and analysis of the data developed by the authors based on ...
O.V. Mandrikova   +3 more
doaj   +1 more source

Application of Semi-Airborne Frequency Domain Electromagnetic Data Based on Improved Ant-Colony-Optimized Wavelet Threshold Denoising Method

open access: yesIEEE Access, 2022
The semi-airborne frequency domain electromagnetic detection method is a popular electromagnetic detection method in which the transmission system is excited on the ground and the reception system coil is in the air to measure the vertical magnetic field
Jigen Xia   +5 more
doaj   +1 more source

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