Výsledky vyhledávání - "RADIO wave propagation"

Comprehensive review of ionospheric anomalies: mechanisms, trends, and observational perspectives.

Autoři: Seema, C. S. Nisha, N. G. Biji, M. S.

Zdroj: Acta Geophysica. Dec2025, Vol. 73 Issue 6, p6147-6154. 8p.

Témata: *IONOSPHERE, *RADIO wave propagation, *SPACE environment, *CHARGE carriers, *EQUATORIAL ionization anomaly, *ARTIFICIAL satellite design & construction, *DATA analysis

Geografický termín: WEDDELL Sea (Antarctica)

Research on Evaporation Duct Height Prediction Modeling in the Yellow and Bohai Seas Using BLA-EDH.

Autoři: Wu, Xiaoyu Li, Lei Zhang, Zheyan a další

Zdroj: Atmosphere. Oct2025, Vol. 16 Issue 10, p1156. 19p.

Témata: *RADIO wave propagation, *MARINE meteorology, *WEATHER, *DEEP learning, *SEAWATER

Geografický termín: YELLOW Sea, BO Hai (China)

Simulation of climatological maps of F2-layer basic maximum usable frequency and corresponding skip distance over the European region.

Autoři: Pietrella, Marco Pezzopane, Michael Pignalberi, Alessio a další

Zdroj: Advances in Space Research. Oct2025, Vol. 76 Issue 7, p3800-3814. 15p.

Témata: *RADIO wave propagation, *IONOSPHERE, *SHORTWAVE radio, *GEOGRAPHICAL positions, *RADIO frequency, *METEOROLOGICAL charts, *IONOSPHERIC techniques

Geografický termín: EUROPE

EFFECTS OF ATMOSPHERIC VARIABILITY ON RADIO WAVE PROPAGATION FOR EARTH TO SPACE COMMUNICATIONS.

Autoři: ALABDELI, HAIDER MOHMMED TURSUNOV, MUSTAFO ABDUSAMAD UGLI, ABDUMUTALLIEV ABDULAKHAD

Zdroj: TPM: Testing, Psychometrics, Methodology in Applied Psychology. 2025 Supplement, Vol. 32, p79-87. 9p.

Témata: *RADIO wave propagation, *IONOSPHERIC disturbances, *WEATHER & climate change, *TELECOMMUNICATION systems, *SIGNAL integrity (Electronics), *ELECTRONIC modulation, *INTERSTELLAR communication, *SPACE environment

A Radar Path Loss Prediction Method for Nearshore Wind Farm Environments.

Autoři: Ouyang, Qixiang Zhong, Xuanming Feng, Ju a další

Zdroj: Microwave & Optical Technology Letters. Sep2025, Vol. 67 Issue 9, p1-9. 9p.

Témata: *RADAR, *RADIO wave propagation, *ATTENUATION (Physics), *SEASHORE, *WAVE diffraction, *COMPUTATIONAL electromagnetics, *WIND power plants

Path Loss Prediction Model of 5G Signal Based on Fusing Data and XGBoost—SHAP Method.

Autoři: Xu, Tingting Xu, Nuo Gao, Jay a další

Zdroj: Sensors (14248220). Sep2025, Vol. 25 Issue 17, p5440. 20p.

Témata: *5G networks, *RADIO wave propagation, *ENSEMBLE learning, *ATTENUATION (Physics), *FEATURE selection, *TELECOMMUNICATION systems

Geografický termín: CHINA

Optimizing the Egli Model for Vehicular Ultra-Shortwave Communication Using High-Resolution Remote Sensing Satellite Imagery.

Autoři: Zhang, Guangshuo Chen, Peng Wu, Fulin a další

Zdroj: Sensors (14248220). Sep2025, Vol. 25 Issue 17, p5242. 16p.

Témata: *REMOTE sensing, *RADIO wave propagation, *ATTENUATION (Physics), *MATHEMATICAL optimization, *RADIO frequency, *MOBILE communication systems

Radio propagation modeling and measurement of uneven terrain model.

Autoři: Soo, Qi-Ping Lim, Soo-Yong Chee, Pei-Song a další

Zdroj: Scientific Reports. 8/5/2025, Vol. 15 Issue 1, p1-16. 16p.

Témata: *RADIO wave propagation, *ELECTROMAGNETIC wave propagation, *ELECTROMAGNETISM, *MODELS & modelmaking, *TOPOGRAPHY, *RAY tracing algorithms, *RADIO measurements

Energy scavenging-aided NOMA uplink communications: performance analysis.

Autoři: Tran, Huu Q. Khuong Ho-Van

Zdroj: Telkomnika. Aug2025, Vol. 23 Issue 4, p918-931. 14p.

Témata: *ENERGY harvesting, *RADIO wave propagation, *TELECOMMUNICATION, *COMPUTER performance, *ANTENNA arrays, *BIT rate, *WIRELESS communications

Preliminary Analysis of Atmospheric Front-Related VHF Propagation Enhancements for Navigation Aids.

Autoři: Miś, Tomasz Aleksander Kazubski, Wojciech Zieliński, Mikołaj

Zdroj: Sensors (14248220). Jul2025, Vol. 25 Issue 14, p4455. 15p.

Témata: *RADIO wave propagation, *ELECTRONIC navigation, *AIDS to navigation, *WAVE amplification, *FRONTS (Meteorology), *AERONAUTICAL navigation, *RADIO waves, *STORMS

Evaluation of the regional ionosphere using final, ultra-rapid, and rapid ionosphere products.

Autoři: Kamel, Ramadan Frahat, Nour Bassim Omar Ibrahim, Omar Mohamed a další

Zdroj: Journal of Applied Geodesy. Jul2025, Vol. 19 Issue 3, p443-462. 20p.

Témata: *GLOBAL Positioning System, *RADIO wave propagation, *IONOSPHERE, *NAUTICAL charts, *AUTUMN

Assessment and development of path loss propagation model for the outdoor environment of wireless communication networks in Iraq.

Autoři: Hussain, Rasha Adnan Saad, Wasan Kadam

Zdroj: AIP Conference Proceedings. 2025, Vol. 3318 Issue 1, p1-12. 12p.

Témata: *WIRELESS communications, *RADIO wave propagation, *TELECOMMUNICATION channels, *EMPIRICAL research, *ATTENUATION (Physics)

Geografický termín: IRAQ

Regional Total Electron Content Disturbance During a Meteorological Storm.

Autoři: Borchevkina, Olga P. Timchenko, Aleksandr V. Bessarab, Fedor S. a další

Zdroj: Atmosphere. Jun2025, Vol. 16 Issue 6, p690. 13p.

Témata: *INTERNAL waves, *RADIO wave propagation, *GRAVITY waves, *IONOSPHERIC disturbances, *GEOMAGNETISM, *THERMOSPHERE

Visualizing the structure and motion of sporadic E layer using marine traffic radio signals.

Autoři: Hosokawa, Keisuke Mayumi, Nanako Yamamoto, Atsushi a další

Zdroj: Earth, Planets & Space. 5/7/2025, Vol. 77 Issue 1, p1-13. 13p.

Témata: *IONOSPHERE, *RADIO wave propagation, *IONOSPHERIC disturbances, *RADIO frequency measurement, *AIDS to navigation, *IONOSPHERIC techniques, *IONOSONDES, *NAVIGATION

Offshore Wind Farm Impact Assessment on Radio Systems Operating in the MF Band.

Autoři: Bronk, Krzysztof Koncicki, Patryk Lipka, Adam a další

Zdroj: Energies (19961073). Apr2025, Vol. 18 Issue 7, p1652. 17p.

Témata: *OFFSHORE wind power plants, *RADIO wave propagation, *WIND power plants, *AREA measurement, *SYSTEM safety

Experimental Demonstration of Sensing Using Hybrid Reconfigurable Intelligent Surfaces †.

Autoři: Alamzadeh, Idban Imani, Mohammadreza F.

Zdroj: Sensors (14248220). Mar2025, Vol. 25 Issue 6, p1811. 19p.

Témata: *RADIO wave propagation, *WIRELESS communications, *PROOF of concept

CLIMF2: A climatological model of the ionospheric F2 layer. Part 2: Validation and comparison with IRI.

Autoři: Edwards, Danielle J. Chambers, Thomas E. Cervera, Manuel A.

Zdroj: Advances in Space Research. Mar2025, Vol. 75 Issue 5, p4158-4174. 17p.

Témata: *GLOBAL Positioning System, *RADIO wave propagation, *RADIO astronomy, *IONOSPHERE, *RADAR, *SHORTWAVE radio

Overcoming the Limits on Radiofrequency Resources by Developing the Real-time Wireless-qualityestimation Platform that Applies Quantum Annealing and Other Technologies to Radio-wave Propagation.

Zdroj: NTT Technical Review. Mar2025, Vol. 23 Issue 3, p7-13. 7p.

Témata: *QUANTUM annealing, *RADIO wave propagation, *RADIO frequency

Korporace: INTERNATIONAL Telecommunication Union , NTT Access Network Service Systems Laboratories (Company)

An open source code for modeling radio wave propagation in earth's ionosphere.

Autoři: Green, Alexander Longley, William J. Oppenheim, Meers M. a další

Zdroj: Frontiers in Astronomy & Space Sciences. 2025, p1-10. 10p.

Témata: *RADIO wave propagation, *MAXWELL equations, *ELECTROMAGNETIC interactions, *PLASMA diffusion, *WKB approximation, *WAVE packets

Calculation of Frequency-Territorial Separation Norms for Decimeter Radio-Electronic Means.

Autoři: Pozdniak, V. Vysotskyi, O. Makarov, S. a další

Zdroj: Advances in Military Technology. 2025, Vol. 20 Issue 1, p263-275. 13p.

Témata: *RADIO wave propagation, *RADIO lines, *ELECTROMAGNETIC compatibility