Results 21 to 30 of about 2,899,722 (286)

Construction and Accuracy Analysis of a BDS/GPS-Integrated Positioning Algorithm for Forests

Croatian Journal of Forest Engineering, 2021
The objective of this study was to construct a BeiDou navigation satellite system (BDS)/ global positioning system (GPS)-integrated positioning algorithm that meets the accuracy requirement of forest surveys and to analyze its accuracy to provide ...
Fei Yan, Xueqi Hu, Lidan Xu, Yongrui Wu
doaj   +1 more source

The Four Key Challenges of Advanced Multisensor Navigation and Positioning [PDF]

, 2014
The next generation of navigation and positioning systems must provide greater accuracy and reliability in a range of challenging environments to meet the needs of a variety of mission-critical applications.
Martin, H, Jiang, Z, Henry Martin, Groves, PD, Wang, L, Lei Wang, Ziyi Jiang, Walter, D, Voutsis, K, Kimon Voutsis, Debbie Walter, Paul D Groves   +11 more
core   +1 more source

Performance Analysis of Relative Positioning using GPS and BDS signals [PDF]

E3S Web of Conferences, 2019
In general, the satellite signal received by GNSS receivers has errors such as satellite clock error, orbit error, ionospheric delay and tropospheric delay.
Noh Jae Hee, Lee Sun Yong, Lim Deok Won, Jo Gwang Hee, Lee Jin Hyuk, Lee Sang Jeong   +5 more
doaj   +1 more source

Indoor Positioning System with UWB Based on a Digital Twin

, 2022
Ultra-wideband (UWB) technology is used for indoor positioning, but its positioning accuracy is usually degenerated by various obstacles in the indoor environment because of non-line-of-sight (NLOS).
Zhao, Qi, Hu, Jiwei, Xiaomei Zhang, Lou, Ping, Li, Da, Jiwei Hu, Qi Zhao, Ping Lou, Da Li, Zhang, Xiaomei   +9 more
core   +1 more source

A Study on the Application of WSN Positioning Technology to Unattended Areas

IEEE Access, 2019
Wireless sensor network (WSN) is a kind of self-organized network that plays a critical role in the rescue and relief work of some unattended areas in recent years.
Yanhui Lv, Yong Liu, Jiangfeng Hua
doaj   +1 more source

Analysis of the Efficiency of the Kalman-Type Correlation Algorithm for Tracking of a Small UAV in the Presence of Uncorrelated Interference

Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2021
The article shows the relevance of the problem of development and analysis of algorithms for tracking small-sized UAVs according to video surveillance.
A. O. Herasymenko, S. Ya. Zhuk
doaj   +1 more source

Image Mapping Accuracy Evaluation Using UAV with Standalone, Differential (RTK), and PPP GNSS Positioning Techniques in an Abandoned Mine Site

, 2023
Global navigation satellite systems (GNSSs) provide a common positioning method that utilizes satellite signals to determine the spatial location of a receiver.
Jongmun Cha, Hyeong-Dong Park, Chang-Uk Hyun, Hanjin Kim   +3 more
core   +1 more source

Practical classification methods for indoor positioning [PDF]

, 2012
Location awareness is of primary importance in a wealth of applications such as transportation, mobile health systems, augmented reality and navigation.
Mihaylova, Lyudmila, Honary, Mahsa, Xydeas, Costas   +2 more
core   +4 more sources

A BDS/LTE-R Enhanced Data Fusion Positioning Algorithm Based on Deep Learning

Journal of Applied Science and Engineering, 2022
Integrated positioning methods in the high-velocity train control system require auxiliary equipment leading to more construction and maintenance costs.
Miao Luo, Jianwu Dang, Zhanjun Hao, Zhenhai Zhang   +3 more
doaj   +1 more source

Positioning Accuracy Analysis of the Parallel Mechanism Near Singular Positions [PDF]

, 2015
This paper presents a method of numerical modelling of parallel mechanisms with clearances in their kinematic pairs taken into account. The pairs with clearances are modelled as shape connections based on constraints in the form of contact interactions ...
J. Bałchanowski, Bałchanowski, J.
core   +1 more source