Results 1 to 10 of about 604,773 (322)
Positioning Accuracy in Holographic Optical Traps [PDF]
Micromachines, 2021 Spatial light modulators (SLMs) have been widely used to achieve dynamic control of optical traps. Often, holographic optical tweezers have been presumed to provide nanometer or sub-nanometer positioning accuracy.
Frederic Català-Castro +1 more
doaj +6 more sources
Application of LSTM Network to Improve Indoor Positioning Accuracy [PDF]
Sensors, 2020 Various indoor positioning methods have been developed to solve the “last mile on Earth”. Ultra-wideband positioning technology stands out among all indoor positioning methods due to its unique communication mechanism and has a broad application prospect.
Dongqi Gao +3 more
doaj +2 more sources
RDTS-Based Two-Dimensional Temperature Monitoring with High Positioning Accuracy Using Grid Distribution [PDF]
Sensors, 2019 A novel two-dimensional (2D) positioning method based on Raman distributed temperature sensing (RDTS) has been reported to dramatically improve positioning accuracy. Using a well-designed 2D distribution of optical fiber and corresponding algorithms, the
Can Zhang, ZhongXie Jin
doaj +2 more sources
IMPLEMENTATION AND IMPROVEMENT OF INDOOR WEARABLE UWB/INS INTEGRATION POSITIONING METHOD [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 Aiming at the problem that the Ultra-Wide-Band (UWB) positioning accuracy is reduced in the Non-Line-of-Sight (NLOS) environment, a UWB positioning accuracy evaluation mechanism is introduced.
Z. Liao, Z. Zheng, Y. Li, Y. Li
doaj +1 more source
Performance improvement of 5G positioning utilizing multi-antenna angle measurements
Satellite Navigation, 2022 Time delay-based the 5th Generation Mobile Communication Technology (5G) positioning is a main method to perform high-precision positioning in Global Navigation Satellite System (GNSS) denied areas.
Wenfei Guo +4 more
doaj +1 more source
Alexandria Engineering Journal, 2021 Positioning is a widely used technology in wireless sensor network (WSN). For range-based positioning, the positioning accuracy is proportional to positioning accuracy. As a low-cost positioning method, the range-based received signal strength indicator (
Junchao Tang, Jianhui Han
doaj +1 more source
Helmert Variance Component Estimation for Multi-GNSS Relative Positioning [PDF]
, 2020 The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications.
Fang, Zhenlong +5 more
core +2 more sources
Multi-station positioning accuracy and enhancement method for 5G
物联网学报, 2023 RAT-dependent is a satellite independent positioning technology of 5G.3GPP gives the Cramer-Rao lower bound (CRLB) of the positioning accuracy under the ideal condition of a single station and the simulation positioning accuracy of multi-station under ...
Feilong ZHAO, Lili WANG
doaj +2 more sources
Experimental Research of Triple Inertial Navigation System Shearer Positioning
Micromachines, 2023 In order to improve the positioning accuracy of shearers, the overground experimental device based on the positioning model of TINS (Triple Inertial Navigation System) was built.
Cheng Lu +4 more
doaj +1 more source
SaferCross: Enhancing Pedestrian Safety Using Embedded Sensors of Smartphone [PDF]
, 2020 The number of pedestrian accidents continues to keep climbing. Distraction from smartphone is one of the biggest causes for pedestrian fatalities. In this paper, we develop SaferCross, a mobile system based on the embedded sensors of smartphone to ...
Eun, Yongsoon +3 more
core +2 more sources