Results 31 to 40 of about 960,386 (297)
Characterizing an Air-Bearing Testbed for Simulating Spacecraft Dynamics and Control
Aerospace, 2022 Ground-based testbeds play a critical role in developing and testing different methods of spacecraft dynamics and control. To find the dynamic behavior in such an air-bearing testbed, a detailed characterization of the testbed must be provided via ...
Zheng Huang +4 more
doaj +1 more source
A novel Technique for Improving the Angular Accuracy of Doppler VOR Receivers [PDF]
Advances in Radio Science, 2021 Doppler VOR (D-VOR) transmitters are used as navigation aids in aviation. They transmit an omnidirectional phase reference in an amplitude-modulated (AM) sideband and directional phase information on a frequency-modulated (FM) subcarrier.
K. Schubert, J. Werner, J. Wellhausen
doaj +1 more source
Frontiers in Materials, 2019 G95Cr18 stainless bearing steel is used to manufacture rolling bearings widely used in aviation and navigation fields. Twin carbide structure often appears in G95Cr18 stainless bearing steel structure and affects its material properties.
Hao Guo +6 more
doaj +1 more source
Dynamic knee alignment and collateral knee laxity and its variations in normal humans
Frontiers in Surgery, 2015 Alignment of normal, arthritic and replaced human knees is a much debated subject as is the collateral ligamentous laxity. Traditional quantitative values have been challenged. Methods used to measure these are also not without flaws.
Kamal eDeep +2 more
doaj +1 more source
Modern Solar Navigation Techniques
Groundings, 2023 Navigation by sea has proven difficult due to the absence of distinct markers for guidance. One solution for longer journeys was to track the position of celestial bodies as a navigational method, which has become more reliable as mathematical models ...
Alberto Bodas Gallego
doaj +1 more source
Oceanic long-distance navigation: Do experienced migrants use the Earth's magnetic field? [PDF]
, 2001 Albatrosses and sea turtles are known to perform extremely long-distance journeys between disparate feeding areas and breeding sites located on small, isolated, oceanic islands or at specific coastal sites.
Åkesson, Susanne, +8 more
core +1 more source
Harmonised Portrayal of e-Navigation-related Information [PDF]
, 2013 A Guideline on the Harmonised Portrayal of e-Navigation-related Information was recently completed by IALA. The purpose of this Guideline is to provide guidance regarding the presentation and display of e-Navigation-related information.
Porathe, Thomas +8 more
core +2 more sources
Vehicle Navigation Service Based on Real-Time Traffic Information [PDF]
, 2012 GNSS-assisted vehicle navigation services are nowadays very common in most of the developed countries. However, most of those services are either delivered through proprietary technologies, or fall short in flexibility because of the limited capability ...
Corbi, C. +14 more
core +1 more source
Arthroscopy Techniques, 2017 For opening wedge high tibial osteotomy (OWHTO), it is recommended that the osteotomy line is parallel to the medial tibial posterior slope (TPS) in the sagittal view and that the alignments are simultaneously controlled in the coronal and sagittal views.
Yasushi Akamatsu, M.D. +4 more
doaj +1 more source
Superior Fluorescent Nanoemulsion Illuminates Hepatocellular Carcinoma for Surgical Navigation
Frontiers in Bioengineering and Biotechnology, 2022 Hepatocellular carcinoma (HCC), the fifth most common cancer worldwide, poses a severe threat to public health. Intraoperative fluorescence imaging provides a golden opportunity for surgeons to visualize tumor-involved margins, thereby implementing ...
Jing Zhu +12 more
doaj +1 more source