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science & technology (71) 71
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International journal of geographical information science : IJGIS, ISSN 1365-8816, 01/2018, Volume 32, Issue 1, pp. 140 - 168
... the uncertainty and heterogeneity introduced by the sampling process to obtain trajectories. More recently, similarity measures were proposed specifically for trajectory data, but they rely on simplistic movement uncertainty representations, such as linear interpolation... 
elliptical trajectory representation | dynamic threshold similarity | Movement similarity | raw trajectory similarity | parameter-free similarity measure | Computer Science, Information Systems | Geography | Physical Sciences | Information Science & Library Science | Social Sciences | Technology | Computer Science | Physical Geography | Geography, Physical | Science & Technology | Heterogeneity | Data analysis | Trajectory measurement | Uncertainty | Similarity | Similarity measures | Data processing | Robustness | Data mining | Sampling | Trajectory analysis
Journal Article
03/2015, Applied mechanics and materials, Volume 34-35, 2043
This special collection of 390 peer-reviewed papers was contributed to by researchers from various disciplines: Mechanical Engineering Design, Green... 
Sustainable engineering | Mechanical engineering
eBook
Journal of Spacecraft and Rockets, ISSN 0022-4650, 09/2016, Volume 53, Issue 5, pp. 811 - 821
The problem of fuel/time trajectory optimization is considered for a spacecraft moving relative to another in a perturbed, elliptical orbit... 
Engineering | Engineering, Aerospace | Technology | Science & Technology | Time optimal | Fuels | Orbital maneuvers | Inclination | Trajectory optimization | Elliptical orbits | Genetic algorithms
Journal Article
Journal of guidance, control, and dynamics, ISSN 0731-5090, 04/2020, Volume 43, Issue 4, pp. 741 - 753
A robust trajectory optimization approach for rendezvous and proximity operations in perturbed elliptical orbits with uncertainties is proposed... 
Engineering | Engineering, Aerospace | Technology | Instruments & Instrumentation | Science & Technology | Uncertainty | Trajectory control | Computer simulation | Orbital rendezvous | Robustness | Equations of motion | Rendezvous trajectories | Trajectory optimization | Dispersion | Optimization | Elliptical orbits | Genetic algorithms
Journal Article
Astrophysics and space science, ISSN 0004-640X, 11/2016, Volume 361, Issue 11, pp. 1 - 12
Journal Article
Journal of archaeological science, ISSN 0305-4403, 2009, Volume 36, Issue 7, pp. 1447 - 1457
..., can provide a solution to this problem. The subject of this article is a quantitative method for extracting and comparing resharpening trajectories... 
Lithics | Elliptical Fourier analysis | Trajectories | Resharpening | Classification | Ontogenetic scaling | Geosciences, Multidisciplinary | Archaeology | Physical Sciences | Social Sciences | Life Sciences & Biomedicine | Geology | Anthropology | Science & Technology
Journal Article
The Astrophysical journal, ISSN 0004-637X, 12/2013, Volume 779, Issue 1, pp. 64 - 8
Journal Article
Journal of geophysical research. Space physics, ISSN 2169-9380, 11/2015, Volume 120, Issue 11, pp. 9457 - 9470
Journal Article
07/2019, Mechanisms and Machine Science, ISBN 3030176762, Volume 72
... crack shape ratio is also decreased. Furthermore, it is shown that straight-front cracks and elliptical-cracks models result in significantly different transverse trajectories at one-third and one-half of the critical speed... 
Elliptical crack | Cracked rotor | Fatigue | Jeffcott rotor | Vibration | Machine health monitoring
Book Chapter
08/2019, Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, ISBN 9783030301453, Volume 292
...) to locate the targets, combining with elliptical trajectory constraints and maximum log-likelihood estimation technique... 
Network security | IP geolocation | Delay-based measurement | Constraint-based elliptical trajectories
Book Chapter
Journal of guidance, control, and dynamics, ISSN 0731-5090, 04/2019, Volume 42, Issue 4, pp. 737 - 751
.... Although the dual-primal optimization algorithm is capable of computing the accurate global-optimal trajectory for most cases, it cannot solve the nontrivial primer vector cases in which the optimal impulse timings... 
Engineering | Engineering, Aerospace | Technology | Instruments & Instrumentation | Science & Technology | Formulations | Impulses | Algorithms | Optimization algorithms | Orbital rendezvous | Trajectories | Optimization | Elliptical orbits
Journal Article
Engineering applications of artificial intelligence, ISSN 0952-1976, 2009, Volume 22, Issue 1, pp. 153 - 170
.... In order to make this communication method more natural, we propose to observe visually the writing process on an ordinary paper and to automatically recover the pen trajectory from numerical tablet sequences... 
Visual encoding | Beta-elliptical representation | Word recognition | Stroke overlapping | Arabic script | Engineering | Technology | Engineering, Multidisciplinary | Computer Science | Engineering, Electrical & Electronic | Automation & Control Systems | Computer Science, Artificial Intelligence | Science & Technology | Biometry | Algorithms
Journal Article
1998, AD-a356 381.
.... This work identifies the perturbation model improvements in the Draper R&D version of the Goddard Trajectory Determination System (GTDS... 
eccentric orbits | space objects | elliptical orbit trajectories | eccentricity | molniya orbits | theses | gtds(goddard trajectory determination system) | perturbations | atmosphere entry | communication satellites | space missions
Government Document
European journal of control, ISSN 0947-3580, 03/2019, Volume 46, pp. 90 - 102
Journal Article
Science China. Physics, mechanics & astronomy, ISSN 1674-7348, 2016, Volume 59, Issue 4, pp. 71 - 77
... trajectory.Following the elliptical-polarization trajectory,we calculated the effects of the rock anisotropic-parameters on the polarization state,with a Poincare-sphere-like representation,for several varying media... 
偏振态 | 各向异性参数 | 椭圆偏振 | 非均匀 | 各向异性介质 | elliptical-polarization | VTI medium | anisotropy | Physics, general | Physics | inhomogenous wave | Classical Continuum Physics | Astronomy, Observations and Techniques | Physics, Multidisciplinary | Physical Sciences | Science & Technology | Anisotropy
Journal Article