Results 1 to 10 of about 172,205 (158)
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 +5 more sources
Analysis and Improvement of Indoor Positioning Accuracy for UWB Sensors [PDF]
Sensors, 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
Leehter Yao, Lei Yao, Yeong-Wei Wu
doaj +4 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
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Automatic measurement of beam-positioning accuracy at off-isocenter positions. [PDF]
J Appl Clin Med Phys, 2023 AbstractPurposeThis study performed an automatic measurement of the off‐axis beam‐positioning accuracy at a single isocenter via the TrueBeam Developer mode and evaluated the beam‐positioning accuracy considering the effect of couch rotational errors.MethodsTrueBeam STx and the Winston–Lutz test‐dedicated phantom, with a 3 mm diameter steel ball, were ...
Ono T +5 more
europepmc +3 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
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 +3 more sources
Applied Sciences, 2016 To test the positioning accuracy and repeatability of the linear axes of machine tools, ISO (International Standards Organization) 230-2 and ISO 230-6 are usually adopted.
Hau-Wei Lee +4 more
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The Accuracy and Efficiency of Posit Arithmetic [PDF]
2021 IEEE 39th International Conference on Computer Design (ICCD), 2021 Motivated by the increasing interest in the posit numeric format, in this paper we evaluate the accuracy and efficiency of posit arithmetic in contrast to the traditional IEEE 754 32-bit floating-point (FP32) arithmetic. We first design and implement a Posit Arithmetic Unit (PAU), called POSAR, with flexible bit-sized arithmetic suitable for ...
Stefan Dan Ciocirlan +4 more
openaire +2 more sources
Absolute Positioning Accuracy Improvement in an Industrial Robot [PDF]
Sensors, 2020 Liandong Yu, Huakun Jia, Huining Zhao
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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