Results 11 to 20 of about 7,723,935 (379)
Remote Sensing, 2021 In navigation, the Twice the Distance Root Mean Square (2DRMS) is commonly used as a position accuracy measure. Its determination, based on statistical methods, assumes that the position errors are normally distributed and are often not reflected in ...
Mariusz Specht
doaj +2 more sources
Evaluation of Static Autonomous GNSS Positioning Accuracy Using Single-, Dual-, and Tri-Frequency Smartphones in Forest Canopy Environments. [PDF]
Sensors (Basel), 2022 Determining the current position in a forest is essential for many applications and is often carried out using smartphones. Modern smartphones now support various GNSS constellations and multi-frequency analyses, which are expected to provide more ...
Purfürst T.
europepmc +2 more sources
Analysis and Improvement of Indoor Positioning Accuracy for UWB Sensors. [PDF]
Sensors (Basel), 2021 Ultra-wideband (UWB) sensors have been widely applied to indoor positioning. The indoor positioning of UWB sensors usually refers to the positioning of the mobile node that interacts with the anchors through radio for calculating the distance between the
Yao L, Yao L, Wu YW.
europepmc +2 more sources
Absolute Positioning Accuracy Improvement in an Industrial Robot. [PDF]
Sensors (Basel), 2020 The absolute positioning accuracy of a robot is an important specification that determines its performance, but it is affected by several error sources.
Jiang Y, Yu L, Jia H, Zhao H, Xia H.
europepmc +2 more sources
Indoor Drone Positioning: Accuracy and Cost Trade-Off for Sensor Fusion
IEEE Transactions on Vehicular Technology, 2022 Indoor drone or Unmanned Aerial Vehicle (UAV) operations, automated or with pilot control, are an upcoming and exciting subset of drone use cases. Automated indoor flights tighten the requirements of stability and localization accuracy in comparison with
Jono Vanhie-Van Gerwen +5 more
semanticscholar +1 more source
Improving GPS Code Phase Positioning Accuracy in Urban Environments Using Machine Learning
IEEE Internet of Things Journal, 2021 The accuracy of location information, mainly provided by the global positioning system (GPS) sensor, is critical for Internet-of-Things applications in smart cities.
Rui Sun +6 more
semanticscholar +1 more source
Remote Sensing, 2022 Accurate positioning is one of the main components and challenges for precision forestry. This study was established to test the feasibility of a low-cost GNSS receiver, u-blox ZED-F9P, in movable RTK mode with features that determine its positioning ...
Omid Abdi +3 more
semanticscholar +1 more source
Improving Industrial Robot Positioning Accuracy to the Microscale Using Machine Learning Method
Machines, 2022 Positioning accuracy in robotics is a key issue for the manufacturing process. One of the possible ways to achieve high accuracy is the implementation of machine learning (ML), which allows robots to learn from their own practical experience and find the
V. Bučinskas +7 more
semanticscholar +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