Results 11 to 20 of about 887,153 (356)
Visible-Light-Active Titanium Sulfonate Framework for Photocatalytic Organic Synthesis
, 2023 In this work, the first visible-light-active titanium sulfonate metal–organic framework (denoted as FIR-138) with 2-fold interpenetrated srs topology was synthesized by employing 2,5-dihydroxy-1,4-benzenedisulfonic acid (H4DOBSC) as ligands.
Yayong Sun (6531077) +7 more
core +4 more sources
, 2019 Described herein is a visible-light-driven chlorotrifluoromethylative and chlorotrichloromethylative cyclization reaction to synthesize chlorotrifluoromethylated and chlorotrichloromethylated cyclic compounds. Visible-light photochemistry was utilized to
Chaoguo Yan (2408521) +7 more
core +4 more sources
Recent Advances in Indoor Localization via Visible Lights: A Survey
Sensors, 2020 Because of the limitations of the Global Positioning System (GPS) in indoor scenarios, various types of indoor positioning or localization technologies have been proposed and deployed.
A B M Mohaimenur Rahman +2 more
doaj +1 more source
Synthesis of visible-light-activated yellow amorphous TiO2 photocatalyst [PDF]
, 2008 Visible-light-activated yellow amorphous TiO2 (yam-TiO2) was synthesised by a simple and organic-free precipitation method. TiN, an alternative precursor for TiO2 preparation, was dissolved in hydrogen peroxide under acidic condition ( pH similar to 1 ...
Randorn, Chamnan +7 more
core +1 more source
Smart receiver for visible light communications: Design and Analysis [PDF]
, 2012 This paper presents the concept, design and analysis for a visible light communications receiver to guard against blocking and enhance mobility. Different geometrical shapes have been investigated, with two being chosen and analyzed in MATLAB for the ...
Haigh, P. A. +14 more
core +1 more source
High-Speed Indoor Navigation System based on Visible Light and Mobile Phone
IEEE Photonics Journal, 2017 Visible light positioning (VLP) is widely believed to be a cost-effective answer to the growing demand for real-time indoor positioning. However, due to the high computational cost of image processing, most existing VLC-based systems fail to deliver ...
Junbin Fang +7 more
doaj +1 more source
IEEE Photonics Journal, 2020 We put forward and experimentally demonstrate a second order machine-learning (ML) based visible-light-positioning (VLP) system using simple linear interpolation algorithm to reduce the training samples required in the ML algorithm.
Yu-Chun Wu +8 more
doaj +1 more source
IEEE Photonics Journal, 2020 We put forward and demonstrate a angle-of-arrival (AOA) based visible-light-positioning (VLP) system using quadrant-solar-cell (QSC) and third-order ridge regression machine learning (RRML) to improve the positioning accuracy.
Chong-You Hong +9 more
doaj +1 more source
Machine Learning Assisted Visible Light Sensing of the Rotation of a Robotic Arm
IEEE Access, 2021 With the rise of LED (light-emitting diode)-based luminaires, artificial lighting has become a technology platform, which, besides providing illumination, also provides communication and positioning functionalities. Apart from this, most recently Visible
Kushal Madane +4 more
doaj +1 more source
PWM-based PPM format for dimming control in visible light communication system [PDF]
, 2012 We report simulation results of pulse width modulation (PWM)-based pulse position modulation (PPM) signal format for visible light communication systems. For simultaneous operation of data transmission and dimming control, PPM data format is added to PWM
Jang, Hyung-Joon +7 more
core +1 more source