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RADIO NAVIGATION SYSTEM BROADBAND SIGNAL SEARCH

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2018
The study object is the search procedure for a ground-based radionavigation system signal using noise-like discrete signals with a long baseline. A comparative analysis of the signal search quality indicators is carried out, which is the most time ...
Aleksey S. Marugin   +2 more
doaj   +3 more sources

DFN-YOLO: Detecting Narrowband Signals in Broadband Spectrum [PDF]

open access: yesSensors
With the rapid development of wireless communication technologies and the increasing demand for efficient spectrum utilization, broadband spectrum sensing has become critical in both civilian and military fields.
Kun Jiang   +4 more
doaj   +2 more sources

Antenna Arrays Focused on Broadband Signals

open access: yesJournal of Telecommunications and Information Technology, 2016
Broadband and ultra-wideband signals are increasingly used in modern radio systems. Traditional performance of evaluation antennas operating with narrowband signals are not always adequately reflect the characteristics of broadband antennas, at least in
Denis Andreevich Vedenkin   +2 more
doaj   +2 more sources

Antenna arrays focused by broadband signals

open access: yesФизика волновых процессов и радиотехнические системы, 2015
Broadband and ultra-wideband signals are increasingly used in modern antenna technology, and various radio systems. Traditional performance evaluation antennas operating with narrow band signals are not always adequately reflect the characteristics of ...
Yu.E. Sedelnikov, D.A. Vedenkin
doaj   +1 more source

A Broad-Band Wide-Angle Linear-to-Circular Polarization Converter Based on Stripline Metasurface

open access: yesIEEE Access, 2021
This paper proposes a broad-band linear-to-circular polarization converter based on a multi-layer stripline metasurface. The structure is constructed of three stripline metallic layers stacked with two dielectric plates, and it has different ...
Zuning Yang   +5 more
doaj   +1 more source

Dual Tunable Electromagnetically Induced Transparency Based on a Grating-Assisted Double-Layer Graphene Hybrid Structure at Terahertz Frequencies

open access: yesNanomaterials, 2022
We propose a graphene plasmonic structure by applying two graphene layers mingled with a thin gold layer in a silicon grating. By utilizing the finite-difference time-domain (FDTD) method, we investigate the optical response of the system, and observe ...
Xu Zhong   +7 more
doaj   +1 more source

The Estimation Method of Sensing Parameters Based on OTFS

open access: yesIEEE Access, 2023
In an integrated sensing and communication (ISAC) system, improving the accuracy of delay and Doppler shift sensing parameter estimation is a critical task that sustains the performance of the communication system. To tackle this task, we introduce a two-
Zhiling Tang   +3 more
doaj   +1 more source

Joint task offloading and resource allocation in mobile edge computing with energy harvesting

open access: yesJournal of Cloud Computing: Advances, Systems and Applications, 2022
Mobile edge computing (MEC) is considered to be a promising technique to enhance the computation capability and reduce the energy consumption of smart mobile devices (SMDs) in the sixth-generation (6G) networks.
Shichao Li   +5 more
doaj   +1 more source

All-Dielectric Phase-Gradient Metasurface Performing High-Efficiency Anomalous Transmission in the Near-Infrared Region

open access: yesNanoscale Research Letters, 2021
We propose and numerically demonstrate a phase-gradient metasurface with high anomalous transmission efficiency and a large anomalous refraction angle that consists of discontinuous regular hexagonal nanorods supported by a silica substrate.
Tiesheng Wu   +6 more
doaj   +1 more source

Fuzzy-Based Efficient Healthcare Data Collection and Analysis Mechanism Using Edge Nodes in the IoMT

open access: yesSensors, 2023
The Internet of Things (IoT) is an advanced technology that comprises numerous devices with carrying sensors to collect, send, and receive data. Due to its vast popularity and efficiency, it is employed in collecting crucial data for the health sector ...
Muhammad Nafees Ulfat Khan   +5 more
doaj   +1 more source

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