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Julie Stephany Berrio, Samith Aron Orozco Ordoñes, Eduardo Francisco Caicedo Bravo
Pág. 49 - 59
Abstract AuthorsDownloadsReferencesHow to Cite
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Ali Kazem,Adnan Malki,Anas Mahmoud Almanofi
Pág. 156 - 162
Passive radar is a bistatic radar that detects and tracks targets by processing reflections from non-cooperative transmitters. Due to the bistatic geometry for this radar, a target can be localized in Cartesian coordinates by using one of the following b...
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Ahmet Ilker Topuz, Madis Kiisk and Andrea Giammanco
The simulation of muon tomography requires a multi-directional particle source that traverses a number of horizontal detectors of limited angular acceptance that are used to track cosmic-ray muons. In this study, we describe a simple strategy that can us...
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Alexandr Pirozhenko,Anna Maslova,Dmitry Khramov,Oksana Volosheniuk,Alexandra Mischenko
Pág. 70 - 77
The use of simple physical reasoning instead of the method of varying constants has made it possible to elaborate a short scheme of deriving equations of disturbed motion of a satellite in nearly circular orbits. The use of a circular Keplerian orbit as ...
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Christopher M. Pierce and Young-Kee Kim
Bright beams are commonly represented by sampled data in the numerical algorithms used to simulate their properties. However, in these calculations and the analyses of their outputs, the beam?s density is sometimes required and must be calculated from th...
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Zaven G. Ter-Martirosyan, Armen Z. Ter-Martirosyan and Huu H. Dam
This article presents a solution for the quantitative evaluation of the stress?strain state (SSS) and the bearing capacity of rectangular foundations, factoring in the unit weight of the soil mass and different values of pre-overburden pressure (POP). In...
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Georgiana Magu, Radu Lucaciu and Alexandru Isar
A way to reduce the uncertainty at the output of a Kalman filter embedded into a tracker connected to an automotive RADAR sensor consists of the adaptive selection of parameters during the tracking process. Different informed strategies for automatically...
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Nour El Houda Cheriet, Mohammed Sehoul, Mohamed Benguediab, Benattou Bouchouicha
Pág. 23 - 29
The purpose of this work is to shed light on the problem of the fretting damage of a mechanical assembly bolted in three dimensions. This study requires the analysis of the stress fields in the Cartesian coordinates in terms of the angle and the radius o...
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Florian Heib and Michael Schmitt
Surface science, which includes the preparation, development and analysis of surfaces and coatings, is essential in both fundamental and applied as well as in engineering and industrial research. Contact angle measurements using sessile drop techniques a...
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James Phillips,Thomas Triggs
An analysis of cursor positioning may provide guidelines for improvements in cursor control. Four experiments addressed efficiency of cursor control devices (Mouse, Digitising Pen, Accupoint, Trackball). Participants moved a cursor leftwards, upwards or ...
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Daicheng Peng, Fei Cheng, Xiaoyu She, Yunpeng Zheng, Yongjie Tang and Zhuo Fan
Submarine pipelines are a safe and energy-efficient mode of gas transport. However, due to the complex manufacturing process and harsh operating environment, submarine pipelines are subject to fatigue cracks under long-term cyclic loading. A comprehensiv...
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Valeriy Borisenko,Serhiy Ustenko,Iryna Ustenko
Pág. 51 - 59
The elliptic curves possess a certain disadvantage related to that at the point of intersection with the coordinate axes the ellipses have tangents perpendicular to these axes. However, such a situation is undesirable for some practical applications of e...
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Kin Lei, Dongxu Qi and Xiaolin Tian
In astronomy, physics, climate modeling, geoscience, planetary science, and many other disciplines, the mass of data often comes from spherical sampling. Therefore, establishing an efficient and distortion-free representation of spherical data is essenti...
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Wladyslaw Koc, Cezary Specht, Jacek Szmaglinski and Piotr Chrostowski
At present, the problem of rail routes reconstruction in a global reference system is increasingly important. This issue is called Absolute Track Geometry, and its essence is the determination of the axis of railway tracks in the form of Cartesian coordi...
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Giovanni Ciccotti and Mauro Ferrario
A dynamical system submitted to holonomic constraints is Hamiltonian only if considered in the reduced phase space of its generalized coordinates and momenta, which need to be defined ad hoc in each particular case. However, specially in molecular simula...
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Dina Silva, Eugen Rusu and Carlos Guedes Soares
The wave energy in a shallow water location is evaluated considering the influence of the local tide and wind on the wave propagation. The target is the coastal area just north of the Portuguese city of Peniche, where a wave energy converter operates on ...
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Kiran Siddappaji and Mark G. Turner
Designing blades for efficient energy transfer by turning the flow and angular momentum change is both an art and iterative multidisciplinary engineering process. A robust parametric design tool with few inputs to create 3D blades for turbomachinery and ...
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Md. Abdul Al Mohit, Masaru Yamashiro, Noriaki Hashimoto, Md. Bodruddoza Mia, Yoshihiko Ide and Mitsuyoshi Kodama
A two-dimensional bay and river coupled numerical model in Cartesian coordinates was developed to find the impact of the river on the simulated water levels associated with a storm along the coast of Bangladesh. The shallow water models developed for bot...
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Paula Francis Benevides, Flavia Konowalenko, Deise Maria Bertholdi Costa, Luiz Fernando Nunes, Angela Olandoski Barboza
O transporte, em geral, absorve em média a porcentagem mais elevada de custos do que qualquer outra atividade logística. Por isso, muitas empresas estão repensando seus processos para redução dos mesmos. A otimização da distribuição de produtos é um prob...
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