Relevant bibliographies by topics / Nutation angle

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Nutation angle'

Author: Grafiati
Published: 2 May 2022
Last updated: 30 July 2025

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Journal articles on the topic "Nutation angle"

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Herring, T. A. "An a priori model for the reduction of nutation observations: KSV1994.3 nutation series." Highlights of Astronomy 10 (1995): 222–27. http://dx.doi.org/10.1017/s1539299600011060.

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AbstractWe discuss the formulation of a new nutation series to be used in the reduction of modern space geodetic data. The motivation for developing such a series is to develop a nutation series that has smaller short period errors than the IAU 1980 nutation series and to provide a series that can be used with techniques such as the Global Positioning System (GPS) that have sensitivity to nutations but can directly separate the effects of nutations from errors in the dynamical force models that effect the satellite orbits. A modern nutation series should allow the errors in the force models fo
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Mathews, P. M., and T. A. Herring. "Observational and Theoretical Modeling of Nutation." Highlights of Astronomy 11, no. 1 (1998): 177–81. http://dx.doi.org/10.1017/s1539299600020372.

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The IERS nutation series was developed as a nutation series which would match observations and could be used with geodetic systems which have sensitivity to nutations but are not able to determine accurately corrections to the IAU-1980 nutation series. After experimentation with different methods for parameterizing the nutation estimation problem, the best fit to the VLBI observed nutation angle data was found by estimating selected coefficients in the Mathews et al. (1991a) nutation response function (see equation (1) below), along with other parameters to be discussed below. The estimation o
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Hong, Jia-zhen. "Residual nutation angle of satellites with viscous nutation dampers." Acta Astronautica 15, no. 1 (1987): 1–7. http://dx.doi.org/10.1016/0094-5765(87)90060-9.

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Himwich, W. E., and E. J. Harder. "Direct estimation of nutation coefficients from VLBI data." Symposium - International Astronomical Union 128 (1988): 301–7. http://dx.doi.org/10.1017/s0074180900119655.

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Previous analyses of nutation angle errors from Mark III VLBI data have been made by estimating offset corrections to the instantaneous nutation angles from single-day observing sessions. Adjustments to the coefficients of the nutation model were then estimated from the time series of offset corrections. In this paper we estimate the corrections to the nutation series coefficients directly from the multi-year ensemble of data. The resulting corrections have smaller uncertainties than corrections estimated from the daily offsets because the direct solution has many fewer degrees of freedom. We
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Peng, Bo, Ping Ruan, Junfeng Han, et al. "Design and Simulation Analysis of Piezoelectric Ceramic Tube-Based Fiber Optic Nutator Applied to an Intersatellite Laser Communication System." Photonics 10, no. 7 (2023): 769. http://dx.doi.org/10.3390/photonics10070769.

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The signal-receiving end of acquisition, pointing, and tracking (APT) systems applied to intersatellite laser communication terminals usually uses a fast-steering mirror (FSM) to control the fiber-coupling process, has a complex structural design, and induces large errors in the nonideal coaxial optical path. Herein, we propose a fiber-optic nutator using a piezoelectric ceramic tube (PCT) as the driving unit that allows scanning in the focal plane of the light signal to achieve active fiber coupling in the APT system. Specifically, this article describes the structural design principle of a P
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Kumar, Vivaswat, Federico Pizzi, André Giesecke, et al. "The effect of nutation angle on the flow inside a precessing cylinder and its dynamo action." Physics of Fluids 35, no. 1 (2023): 014114. http://dx.doi.org/10.1063/5.0134562.

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The effect of the nutation angle on the flow inside a precessing cylinder is experimentally explored and compared with numerical simulations. The focus is laid on the typical breakdown of the directly forced m = 1 Kelvin mode for increasing precession ratio (Poincaré number) and the accompanying transition between laminar and turbulent flows. Compared to the reference case with a 90° nutation angle, prograde rotation leads to an earlier breakdown, while in the retrograde case, the forced mode continues to exist also for higher Poincaré numbers. Depending largely on the occurrence and intensity
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Park, Changsoo. "Heavy symmetric tops and the Hannay angle." American Journal of Physics 91, no. 5 (2023): 357. http://dx.doi.org/10.1119/5.0101149.

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The dynamics of a heavy symmetric top are studied in connection with the Hannay angle. When the top undergoes a steady precession due to gravity without nutation, the Hannay angle has a geometric nature such that it is identical to the solid angle subtended by the loop swept out by the symmetry axis of the top. Here, we show that the Hannay angle can also be described by the angle between two radial vectors on the disk of the top corresponding to the pure spinning motion and the coupled motion of spin and precession for one period of the precession. The geometric nature of the angle between th
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Lin, Zheng, Li Gang Yao, and Shu Juan Huang. "Transmission Ratio Analysis and Controllable Tooth Profile Modeling for the Nutation Drive with Double Circular-Arc External and Internal Spiral Bevel Gears." Advanced Materials Research 97-101 (March 2010): 3128–34. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.3128.

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This paper proposes an approach for calculating the transmission ratio of nutation drive based on the working principle of the nutation movements. Then, the analysis of the influences for the nutation angle on the transmission ratio is carried out. The controllable tooth profile modelling for external and internal spiral bevel gears with double circular-arc is proposed. Based on the proposed tooth profile modeling, the three dimensional modeling and virtual assembly of the nutation drive have been further completed. Finally, the kinematical simulation is preceded in the simulating system and t
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Мaidaniuk, V. "Analysis of problems of small-angle approximation in mathematical models of projectile flight." Military Technical Collection, no. 27 (November 30, 2022): 19–26. http://dx.doi.org/10.33577/2312-4458.27.2022.19-26.

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The article deals with the topical issue of developing mathematical models of projectile flight, which accurately describe the projectile motion in the air. It is shown that the nature of the mathematical models presentation varies depending on the required reliability degree of the real physical projectile flight process representation by the mathematical model, the adequate consideration of certain forces (moments) acting on the projectile, as well as the level of information about the external flight conditions which include the parameters of the air in which the projectile moves.At the sam
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Rozenblat, G. M. "Estimates of the average angular velocity of the precession of Lagrange's top." Доклады Академии наук 485, no. 2 (2019): 176–81. http://dx.doi.org/10.31857/s0869-56524852176-181.

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Dissertations / Theses on the topic "Nutation angle"

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Филимонихин, Г. Б., И. И. Филимонихина, В. В. Пирогов та ін. "Устойчивость установившихся движений спутника, стабилизируемого вращением, с пассивным автобалансиром-демпфером угла нутации". Thesis, 2012. http://dspace.kntu.kr.ua/jspui/handle/123456789/5743.

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Решается актуальная проблема выделения установившихся движений и определения условий их условной асимптотической устойчивости для изолированной системы, состоящей из вращающегося несущего тела и присоединенных к нему маятников, относительному движению которых препятствуют силы вязкого сопротивления. Такими системами моделируются в ряде задач космические аппараты, положение которых в пространстве стабилизируется вращением. Основное внимание уделяется исследованию величины и динамики изменения угла нутации несущего тела. Вирішується актуальна проблема виділення усталених рухів і визначення ум
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Пирогов, В. В., Г. Б. Філімоніхін, V. Pirogov та G. Filimonikhin. "Стабілізація положення осі обертання тіла-носія маятниками (кулями)". Thesis, 2008. http://dspace.kntu.kr.ua/jspui/handle/123456789/5783.

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Досліджується задача стабілізації положення осі обертання тіла-носія маятниками (кулями) енергетичним методом та першим методом Ляпунова. The problem stabilization the rotation axis of the body carrier pendulums (balls) energy method and the first method of Lyapunov.
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Пирогов, В. В., V. Pirogov, Г. Б. Філімоніхін та G. Filimonikhin. "Усунення кута нутації та незрівноваженості обертових ізольованих систем маятниками (кулями)". Thesis, 2010. http://dspace.kntu.kr.ua/jspui/handle/123456789/5784.

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Досліджується задача усунення кута нутації та незрівноваженості обертових ізольованих систем маятниками (кулями). The problem eliminating nutation angle and unstability rotating isolated systems pendulum (balls).
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Conference papers on the topic "Nutation angle"

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Mathur, Tanmay, Hans DeSmidt, Edward Smith, and Robert Bill. "Load Distribution and Mesh Stiffness Analysis of an Internal-External Bevel Gear Pair in a Pericyclic Drive." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11524.

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The pericyclic drive is characterized by very high single stage gear ratios (∼50:1). This is enabled by nutational motion kinematics, load sharing over many teeth (∼10% of teeth), and high power density capabilities. A novel methodology for loaded tooth contact and mesh stiffness analysis of an internal - external straight bevel gear pair, with a difference of 1 or 2 teeth, meshing at small shaft angles (2° - 5°) in this non-conventional transmission is described. A computationally fast algorithm to generate modified external bevel gear with profile and lead crowning was developed to localize
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Ma, Weihong, Qiuhong Pang, and Jinping Ni. "Research on measurement of flying object nutation angle based on double linear CCD intersection." In 2012 International Workshop on Image Processing and Optical Engineering, edited by Hai Guo and Qun Ding. SPIE, 2012. http://dx.doi.org/10.1117/12.917417.

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Radchenko, P., S. Batuev, and A. Radchenko. "Influence of the nutation angle of a steel impact at high-velocity interaction with a concrete barrier." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON PHYSICAL MESOMECHANICS. MATERIALS WITH MULTILEVEL HIERARCHICAL STRUCTURE AND INTELLIGENT MANUFACTURING TECHNOLOGY. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0034218.

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Akulenko, L. D., D. D. Leshchenko, and T. A. Kozachenko. "Evolution of Rotations of a Rigid Body Under the Action of Restoring and Control Moments." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84253.

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Perturbed rotations of a rigid body close to the regular precession in the Lagrangian case under the action of a restoring moment depending on slow time and nutation angle, as well as a perturbing moment slowly varying with time, are studied. The body is assumed to spin rapidly, and the restoring and perturbing moments are assumed to be small with a certain hierarchy of smallness of the components. A first approximation averaged system of equations of motion for an essentially nonlinear two-frequency system is obtained in the nonresonance case. Examples of motion of a body under the action of
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Crenshaw, M. E., and C. D. Cantrell. "Conical emission and coherent sideband generation in laser propagation." In OSA Annual Meeting. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.tuu5.

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Computational results show that the conical emission and Rabi sidebands observed when a nearly resonant laser pulse propagates through an atomic vapor are the result of the breakup of the pulse into solitary waves. For an incident pulse with a transverse as well as a temporal profile, the crests and troughs of the 2-D solitary waves are curved in a time-radius plane. The temporal modulation associated with pulse breakup appears as Rabi sidebands in the spectrum, while the curvature of the solitary waves in the time-radius plane results in a transverse spatial modulation, resulting in conical e
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Urunova, R. M. "Determination of nutation angles based on processing hourly VLBI observations." In 51-st All-Russian with international participation student scientific conference "Physics of Space". Ural University Press, 2024. http://dx.doi.org/10.15826/b978-5-7996-3848-1.72.

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Over the past 9 years, the IAA RAS has conducted daily observations using the VLBI, with no fewer than six sessions per day. This has allowed exploring the potential for determining nutation angles based on these sessions a The data sessions were processed using a specialized software package developed at the institute, incorporating the global equalization. The results are compared with data from the International Earth Rotation and Reference Systems Service, as well as the annual results of global equalization obtained by the IAA RAS. The accuracy of correction determination depends on the n
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Mathur, Tanmay D., Edward C. Smith, Liming Chang, and Robert C. Bill. "Contact Mechanics and Elasto-Hydrodynamic Lubrication Analysis of Internal-External Straight Bevel Gear Mesh in a Pericyclic Drive." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-68001.

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The focus of this work is development of a comprehensive tooth contact analysis model and characterization of lubricant performance in a Pericyclic mechanical transmission utilizing modified straight bevel gears. The Pericyclic drive is kinematically similar to an epicyclic bevel gear train, and is characterized by load sharing over large number of teeth, large shaft angles (175°-178°), nutational gear motion, and high reduction ratio. The load sharing calculation model described in this paper takes into account contact outside involute region and is easily generalized to all bevel epicyclic g
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