Results 1 to 10 of about 1,210,459 (268)

Design Particularities of Quadrature Chaos Shift Keying Communication System with Enhanced Noise Immunity for IoT Applications [PDF]

open access: yesEntropy
This article is devoted to the investigation of synchronization noise immunity in quadrature chaos shift keying (QCSK) communication systems and its profound impact on system performance.
Darja Cirjulina   +2 more
doaj   +2 more sources

The influence of mascot’s modeling characteristics on emotional image [PDF]

open access: yesE3S Web of Conferences, 2020
We intends to investigate the impact of the characteristics of mascots modelling on the emotional imagery based on the theory of perceptual engineering.
Zhe Zhu, Huimin Shi
doaj   +1 more source

Modeling of hydraulic support system for large structures

open access: yesNihon Kikai Gakkai ronbunshu, 2021
In the control of a large structure, hydraulic equipment is often used because it requires a large output. In this study, we focus on the telescope as an example of a large structure, and model its hydraulic support system and analyze its characteristics
Tomoya HATTORI   +5 more
doaj   +1 more source

SIW-Fed Patch Array Filtenna With Significant Suppression of Adjacent 5G Spectrum for Radio Altimeters

open access: yesIEEE Access, 2023
We propose a $2\times2$ patch array filtenna specifically designed for radio altimeter applications with significant suppression of unwanted adjacent 5G spectrum signals.
Junmo Choi   +8 more
doaj   +1 more source

Experimental validation of hydraulic support system for large structures

open access: yesNihon Kikai Gakkai ronbunshu, 2021
In the control of a large structure, hydraulic equipment is often used because it requires a large output. In this study, we focus on a telescope as an example of a large structure, and experimentally verify the basic characteristics of the hydraulic ...
Tomoya HATTORI   +7 more
doaj   +1 more source

Design of a Novel Superwideband Dual Port Antenna with Second-Order Hilbert Branches and a Modified T-Decoupling Structure

open access: yesInternational Journal of Antennas and Propagation, 2023
A novel super wideband (SWB) dual port antenna with second-order Hilbert branches and a modified T-decoupling structure is proposed. The overall size of the antenna is only 32 mm × 26 mm × 1 mm.
Jingchang Nan   +3 more
doaj   +1 more source

Mobility-Aware Resource Assignment to IoT Applications in Long-Range Wide Area Networks

open access: yesIEEE Access, 2020
The long-range wide area network (LoRaWAN) has recently emerged as one of the most potential technologies for the mobile Internet of Things (IoT) applications.
Arshad Farhad   +4 more
doaj   +1 more source

Enhanced LoRaWAN Adaptive Data Rate for Mobile Internet of Things Devices

open access: yesSensors, 2020
A long-range wide area network (LoRaWAN) is one of the leading communication technologies for Internet of Things (IoT) applications. In order to fulfill the IoT-enabled application requirements, LoRaWAN employs an adaptive data rate (ADR) mechanism at ...
Arshad Farhad   +3 more
doaj   +1 more source

A Novel Approach for Micro-Antenna Fabrication on ZrO2 Substrate Assisted by Laser Printing for Smart Implants

open access: yesApplied Sciences, 2022
The use of Yttria-stabilized tetragonal zirconia polycrystals (Y-TZP) in medicine has rapidly expanded over the past decade, driven by its advantageous properties, showing potential to overcome titanium alloy in implant fabrication.
C. G. Moura   +5 more
doaj   +1 more source

Mine emergency communication system

open access: yesGong-kuang zidonghua, 2019
Feasibility of using existing mine communication system as emergency communication system was analyzed. Leakage communication system, inductive communication system, multi-base station mobile communication system, broadcast communication system and ...
Mine emergency communication system
doaj   +1 more source

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