3D-printed navigation-guided FNS-CCS fixation reduces complications in young adults with comminuted femoral neck fractures: a retrospective cohort study [PDF]
BMC Musculoskeletal DisordersBackground Young adults with comminuted femoral neck fractures face elevated risks of postoperative shortening and osteonecrosis of the femoral head (ONFH) This study evaluates a novel surgical protocol integrating the Femoral Neck System (FNS) and 3D ...
Ting Fu +4 more
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Highly Selective Exogenous Neutrophils Effectively Inhibit Growth of Colon Cancer under the Guidance of Precision Navigation [PDF]
ResearchThe diversity of neutrophils’ subtypes and functions in the tumor microenvironmentunderlies their contributions to both pro- and anti-tumorigenic activities.
Yunxi Yang +7 more
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Hybrid Guidance Optimization for Multipulse Glideslope Approach with Bearing-Only Navigation
Aerospace, 2022 This paper proposes a modified glideslope guidance method that optimizes a hybrid multiobjective of bearing-only navigation error and fuel consumption. The traditional glideslope guidance fixes uniform maneuver intervals and the initial approach velocity
Hao Yuan, Dongxu Li, Jie Wang
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Analytical expression for uncertainty propagation of aerial cooperative navigation
Aviation, 2021 In this paper, the propagation of uncertainty in a cooperative navigation algorithm (CNA) for a group of flying robots (FRs) is investigated. Each FR is equipped with an inertial measurement unit (IMU) and range-bearing sensors to measure the relative ...
Ali Faghihinia +2 more
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Disturbing impact of multiple wind turbines on the indicated DVOR bearing [PDF]
Advances in Radio Science, 2019 Radio navigation aids, like the Doppler Very High Frequency Omnidirectional Radio Range (DVOR), provide their navigation service by specific radiation of electromagnetic waves depending on the direction in space and according to their specific antenna ...
S. Sandmann, H. Garbe
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Energies, 2022 The research consisted of simulating the movement of a single vehicle in relation to the swarm leader on a square-shaped path, taking into account measurement errors characteristic of typical cheap navigation devices and the hydroacoustic system.
Krzysztof Naus, Paweł Piskur
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Adaptive Fusion of Inertial Navigation System and Tracking Radar Data [PDF]
AUT Journal of Electrical Engineering, 2016 Against the range-dependent accuracy of the tracking radar measurements including range, elevation and bearing angles, a new hybrid adaptive Kalman filter is proposed to enhance the performance of the radar aided strapdown inertial navigation system (INS/
mahdi fathi +4 more
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Sustainable navigation by the Danube: Law regulations, problems and proposals [PDF]
Војно дело, 2019 The Danube navigation in the territory of the Republic of Serbia has a negative impact on the environment, mostly in the form of pollution emitted from ships.
Kresojević Milan M. +3 more
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An Iterative Guidance and Navigation Algorithm for Orbit Rendezvous of Cooperating CubeSats
Applied Sciences, 2022 Modern space missions often require satellites to perform guidance, navigation, and control tasks autonomously. Despite their limited resources, small satellites are also involved in this trend, as in-orbit rendezvous and docking maneuvers and formation ...
Simone Battistini +3 more
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A Calibration Method of Underwater Transponder Position Based on Maximum Correntropy
水下无人系统学报, 2023 The ultra-short baseline(USBL) positioning system is widely used in the integrated navigation and positioning of underwater vehicles. Knowing the precise position of the transponder is a prerequisite for the application of the USBL system for navigation ...
Peijuan LI +4 more
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