Results 41 to 50 of about 115,454 (254)

Wireless software upgrade method based on broadcast mode

open access: yesMeikuang Anquan, 2021
This paper proposes an implementation scheme of wireless upgrade firmware program based on UWB and ZigBee technologies. This method adopts one-to-many networking mode and infinite loop multi-broadcast mechanism to realize the location card batch ...
WANG Fei
doaj   +1 more source

An effective AMS Top-Down Methodology Applied to the Design of a Mixed-SignalUWB System-on-Chip [PDF]

open access: yes, 2007
The design of Ultra Wideband (UWB) mixed-signal SoC for localization applications in wireless personal area networks is currently investigated by several researchers. The complexity of the design claims for effective top-down methodologies.
Casu, Mario Roberto   +3 more
core   +1 more source

Data Fusion of UWB and IMU Based on Unscented Kalman Filter for Indoor Localization of Quadrotor UAV

open access: yesIEEE Access, 2020
The indoor location technique plays a essential role during the application of quadrotor unmanned aerial vehicle (UAV). However, the control design problem for the quadrotor UAV is quite difficult in the indoor environment due to the weak GPS signal ...
Weide You   +3 more
semanticscholar   +1 more source

Design of card reading base station for vehicle passenger leak proof identification in coal mine

open access: yesMeikuang Anquan, 2022
Aiming at the hidden safety problems that identification leakage of cards carried by underground personnel is caused by the excessive movement speed of vehicles and the shielding of vehicle shell and vehicle passenger overload can not be effectively ...
REN Gaojian, DAI Jianbo
doaj   +1 more source

Accurate position tracking with a single UWB anchor

open access: yes, 2020
Accurate localization and tracking are a fundamental requirement for robotic applications. Localization systems like GPS, optical tracking, simultaneous localization and mapping (SLAM) are used for daily life activities, research, and commercial ...
Beltrame, Giovanni   +4 more
core   +1 more source

Experimental study of on-body radio channel performance of a compact ultra wideband antenna [PDF]

open access: yes, 2015
In this paper, on-body radio channel performance of a compact ultra wideband (UWB) antenna is investigated for body-centric wireless communications.
Abbasi, Qammer H.   +3 more
core   +1 more source

"O potrzebie reform ustroju i prawa Rzeczypospolitej szlacheckiej w świetle pierwszej polskiej powieści fantastyczno-naukowej z 1785 roku"

open access: yesCzasopismo Prawno-Historyczne, 2015
Artykuł ten anlizuje prawne i ustrojowe aspekty pierwszej, polskiej powieści fantastycznej autorstwa Michała Dymitra, a zatytułowanej "Wojciech Zdarzyński życia przypadki opisujący" z 1785 r.
Karol Łopatecki
doaj   +1 more source

Ultra Wideband (UWB) Multiple Input and Multiple Output (MIMO) Antenna Design : A Review

open access: yesAndalas Journal of Electrical and Electronic Engineering Technology, 2023
Since the Federal Communication Commission (FCC) issued a license for the 3.1 – 10.6 GHz frequency spectrum for unlicensed radio applications, many papers have been published regarding ultrawideband (UWB) antenna design.
Firdaus Firdaus   +2 more
doaj   +1 more source

Design of low power consumption precise positioning and voice intercom information miner’s lamp

open access: yesMeikuang Anquan, 2021
Aiming at the actual needs of intelligent mine construction and improving the life safety, the paper analyzes the disadvantages of traditional information miner’s lamp, such as high cost, high power consumption, WiFi radio frequency placed in the cap. A
DAI Jianbo
doaj   +1 more source

SemEval-2016 task 5 : aspect based sentiment analysis [PDF]

open access: yes, 2016
International audienceThis paper describes the SemEval 2016 shared task on Aspect Based Sentiment Analysis (ABSA), a continuation of the respective tasks of 2014 and 2015.
Al-Ayyoub, Mahmoud   +18 more
core   +3 more sources

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