Relevant bibliographies by topics / Longitudes

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Longitudes'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Longitudes"

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Puerto Leguizamón, Gustavo, Jaime Andrés Vallejo Avellaneda, and Jhon Jaime Ramírez Ochoa. "Un estudio sobre distribución dinámica de longitudes de onda para redes gigabit ópticas pasivas." Revista Tecnura 18, no. 40 (May 4, 2014): 12. http://dx.doi.org/10.14483/udistrital.jour.tecnura.2014.2.a01.

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Este artículo presenta un estudio con el propósito de evaluar el impacto de la asignación dinámica de longitudes de onda en una red de acceso Gigabit óptica pasiva (GPON). En redes de acceso ópticas pasivas (PON), un terminal de línea óptico (OLT) alimenta diferentes PONs de tal forma que una longitud de onda se distribuye uniformemente entre las diferentes unidades de red óp­tica (ONU) en cada PON. Sin embargo, las redes PON no definen ningún tipo de comportamiento dinámico en la asignación de longitudes de onda en la red, a cambio, implementa una distribución de tipo completamente estático. En este artículo se evalúan las prestaciones de una red óptica de acceso en términos del caudal efectivo y tasa de paquetes perdidos en diferentes escenarios que de­scriben un número dado de ONUs, presentando un comportamiento fuera de perfil con un porcentage dado de tráfico en exceso para una distribución fija de una longitud de onda y para una asignación dinámica de varias longitudes de onda. Los resul­tados muestran que, en una operación multicanal con cuatro longitudes de onda, el caudal efectivo se incrementa un 19% sobre el ancho de banda neto para la configuración con una longitud de onda mientras que el porcentaje de paquetes per­didos se reduce un 20,2 % cuando se compara con el escenario de distribución estática.
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Vinogradov, A. V. "Determining the parameters of a local coordinate system with a non-standard longitude of the central meridian. Ways to improve the accuracy of determining parameters." Geodesy and Cartography 972, no. 6 (July 20, 2021): 2–9. http://dx.doi.org/10.22389/0016-7126-2021-972-6-2-9.

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Improving the accuracy of calculating the longitude of the axial meridian, the coordinates of the starting point and the height of the local coordinate system is achieved through introducing an intermediate coordinate system. The longitude of the axial meridian of the intermediate coordinate system is chosen equal to the approximate value of the longitude of the axial meridian of the local coordinate system. The difference in longitudes of the axial meridians of the state coordinate system and the intermediate coordinate system is known. The final value of the axial meridian`s longitude of the local coordinate system relative to the longitude of the axial meridian of the state coordinate system is calculated as the sum of two longitude differences. The first is the difference between the axial meridians of the local and the intermediate coordinate systems; the second is the difference in longitudes between the axial meridians of the intermediate and the state system. The residual errors of the mathematical apparatus for calculating the longitude of the axial meridian are less than 0.005 arc seconds. The proposed technology has been tested at real works.
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Jacobs, Nancy J. "Latitudes and Longitudes." Safundi 5, no. 3 (July 2004): 1–25. http://dx.doi.org/10.1080/17533170400605306.

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Crowley, Mary. "Latitudes and Longitudes." Hastings Center Report 42, no. 6 (November 2012): inside front cover. http://dx.doi.org/10.1002/hast.84.

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Akala, A. O., G. K. Seemala, P. H. Doherty, C. E. Valladares, C. S. Carrano, J. Espinoza, and S. Oluyo. "Comparison of equatorial GPS-TEC observations over an African station and an American station during the minimum and ascending phases of solar cycle 24." Annales Geophysicae 31, no. 11 (November 22, 2013): 2085–96. http://dx.doi.org/10.5194/angeo-31-2085-2013.

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Abstract. GPS-TEC data were observed at the same local time at two equatorial stations on both longitudes: Lagos (6.52° N, 3.4° E, 3.04° S magnetic latitude), Nigeria; and Pucallpa (8.38° S, 74.57° W, 4.25° N magnetic latitude), Peru during the minimum (2009, 2010) and ascending (2011) phases of solar cycle 24. These data were grouped into daily, seasonal and solar activity sets. The day-to-day variations in vertical TEC (VTEC) recorded the maximum during 14:00–16:00 LT and minimum during 04:00–06:00 LT at both longitudes. Seasonally, during solar minimum, maximum VTEC values were observed during March equinox and minimum during solstices. However, during the ascending phase of the solar activity, the maximum values were recorded during the December solstice and minimum during the June solstice. VTEC also increased with solar activity at both longitudes. On longitude by longitude comparison, the African GPS station generally recorded higher VTEC values than the American GPS station. Furthermore, harmonic analysis technique was used to extract the annual and semi-annual components of the amplitudes of the TEC series at both stations. The semi-annual variations dominated the TEC series over the African equatorial station, while the annual variations dominated those over the American equatorial station. The GPS-TEC-derived averages for non-storm days were compared with the corresponding values derived by the IRI-2007 with the NeQuick topside option. The NeQuick option of IRI-2007 showed better performance at the American sector than the African sector, but generally underestimating TEC during the early morning hours at both longitudes.
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Thomson, N. R., M. A. Clilverd, and A. J. Smith. "Evidence of more efficient whistler-mode transmission during periods of increased magnetic activity." Annales Geophysicae 15, no. 8 (August 31, 1997): 999–1004. http://dx.doi.org/10.1007/s00585-997-0999-9.

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Abstract. In a previous study it was reported that whistler- mode signals received at Faraday, Antarctica (65°S,64°W) and Dunedin, New Zealand (46°S,171°E) with entry regions in Pacific longitudes (typically from the VLF transmitter NLK, Seattle, USA) showed an increase in transmission of wave energy as magnetic activity increased. However, signals with entry regions in Atlantic longitudes (typically from the NSS transmitter, Annapolis, USA) did not appear to show such a relationship. This paper reports the results of a study of the same two longitude ranges but with the opposite transmitter providing additional whistler-mode signal information, with L-values in the range 1.8–2.6. Transmissions from NLK once again indicate a relationship between the transmission of wave energy and magnetic activity even though the signals were propagating in Atlantic longitudes, not Pacific. Any trend in NSS events observed at Dunedin was obscured by a limited range of magnetic activity, and duct exit regions so close to the receiver that small-scale excitation effects appeared to be occurring. However, by combining data from both longitudes, i.e Pacific and Atlantic, and using only ducts with exit regions that were >500km from the receiver, NSS events were found to show the same trend as NLK events. No significant longitude-dependent or transmitter-dependent variations in duct efficiency could be detected. Duct efficiency increases by a factor of about 30 with Kp=2–8 and this result is discussed in terms of changes in wave-particle interactions and duct size.
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POPOV, M. V., and W. Sieber. "Single-Pulse Intensity Fluctuations by Cross-Correlation with Longitude of the Average Profile." International Astronomical Union Colloquium 128 (1992): 271–77. http://dx.doi.org/10.1017/s0002731600155313.

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Single-pulse radio emission from pulsars has been observed to vary both in intensity and position inside the pulse window. In some cases the variations show a rather regular structure (drifting subpulses). Such a regular structure can clearly be studied by fluctuation spectral analysis. The analysis has identified some particular peculiarities in the fluctuation spectra at different longitudes of the pulse window in many pulsars (Backer 1973, Page 1973, Popov and Smirnova 1982). In pulsars with complex integrated profiles (PSR 1919+21, PSR 1237+25) narrow features in the fluctuation spectra vary strongly with longitude, at some longitudes being quite undistinguishable.
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Stoneback, R. A., and R. A. Heelis. "Identifying equatorial ionospheric irregularities using in situ ion drifts." Annales Geophysicae 32, no. 4 (April 15, 2014): 421–29. http://dx.doi.org/10.5194/angeo-32-421-2014.

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Abstract. Previous climatological investigations of ionospheric irregularity occurrence in the equatorial ionosphere have utilized in situ measurements of plasma density to identify the presence of an irregularity. Here we use the Morlet wavelet and C/NOFS to isolate perturbations in meridional ion drifts and generate irregularity occurrence maps as a function of local time, longitude, season, and solar activity. For the low solar activity levels in 2008, the distributions identified by velocity perturbations follow normalized density perturbation (ΔN/N) maps with large occurrences after midnight into dawn over all longitudes. The velocity and normalized density occurrence maps contract in both local time and longitude with increasing solar activity. By 2011 irregularities are confined to particular longitudes expected by alignment and a few hours of local time after sunset. The variation in the occurrence of the late night irregularities with solar activity is consistent with the presence of gravity wave seeding.
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Amateis, Ralph L., Stephen P. Prisley, Harold E. Burkhart, and Jiping Liu. "The Effect of Physiographic Region and Geographic Locale on Predicting the Dominant Height and Basal Area of Loblolly Pine Plantations." Southern Journal of Applied Forestry 30, no. 3 (August 1, 2006): 147–53. http://dx.doi.org/10.1093/sjaf/30.3.147.

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Abstract Analysis of loblolly pine plantation permanent plot data established across the southeastern United States indicates that differences in dominant height and stand basal area may be related to geographic locale as well as physiographic region. In general, holding other factors constant,plantations at southern latitudes and eastern longitudes have less basal area than plantations at northern latitudes and western longitudes. Plantations at southern latitudes and eastern longitudes in the Atlantic Coastal Plain are generally taller than elsewhere in the Atlantic Coastal Plain.These trends were consistent for a younger population of intensively managed plantations, as well as for an older population of nonintensively managed plantations. Regression equations were developed to test the significance of geographic location on the prediction of basal area and dominantheight. Even in the presence of stand variables that are highly correlated with basal area and dominant height, latitude and longitude were highly significant predictors. Including them as predictor variables increased considerably the precision of the regression equations. South. J. Appl.For. 30(3):142–146.
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Lamy, Jérôme. "Le bureau des longitudes." Revue d'anthropologie des connaissances 1, 2, no. 2 (2007): 167. http://dx.doi.org/10.3917/rac.002.0167.

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Dissertations / Theses on the topic "Longitudes"

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Zhang, L. (Liyun). "Solar active longitudes and their rotation." Doctoral thesis, University of Oulu, 2013. http://urn.fi/urn:isbn:9789526200262.

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Abstract In this thesis solar active longitudes of X-ray flares and sunspots are studied. The fact that solar activity does not occur uniformly at all heliographic longitudes was noticed by Carrington as early as in 1843. The longitude ranges where solar activity occurs preferentially are called active longitudes. Active longitudes have been found in various manifestations of solar activity, such as sunspots, flares, radio emission bursts, surface and heliospheric magnetic fields, and coronal emissions. However, the active longitudes found when using different rigidly rotating reference frames differ significantly from each other. One reason is that the whole Sun does not rotate rigidly but differentially at different layers and different latitudes. The other reason is that the rotation of the Sun also varies with time. Earlier studies used a dynamic rotation frame for the differential rotation of the Sun and found two persistent active longitudes of sunspots in 1878-1996. However, the migration of active longitudes with respect to the Carrington rotation was treated there rather coarsely. We improved the accuracy of migration to less than one hour. Accordingly, not only the rotation parameters for each class of solar flares and sunspots are found to agree well with each other, but also the non-axisymmetry of flares and sunspots is systematically increased. We also studied the long-term variation of solar surface rotation. Using the improved analysis, the spatial distribution of sunspots in 1876-2008 is analyzed. The statistical evidence for different rotation in the northern and southern hemispheres is greatly improved by the revised treatment. Moreover, we have given consistent evidence for the periodicity of about one century in the north-south difference.
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Rodríguez, Barriga Brenda. "Evaluación de ráfagas de viento para la obtención de longitudes de rugosidad." Monterrey : Tecnológico de Monterrey, 2006. http://biblioteca.itesm.mx/cgi-bin/doctec/listdocs?cor_ecurso=doctec:133396.

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Tesis (Maestro en Ciencias, Especialidad en Ingeniería Energética) -- Tecnológico de Monterrey, Campus Monterrey.
Título tomado de la pantalla de presentación [como fue visto el 31 de agosto de 2006] También disponible en formato impreso.
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Fernandes, Mariana Queiroz. "Um balanço sobre o Seminário Longitudes: a formação do artista contemporâneo no Brasil." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/100/100135/tde-01092016-190210/.

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A ampliação gradativa de instituições culturais privadas criou uma demanda de mão de obra qualificada para seus mais variados programas. Surgiram nos últimos 20 anos em todo o país cursos profissionalizantes e diversas graduações e pós-graduações em artes visuais reconfigurando assim um novo panorama daquilo que vem sendo, nos últimos anos, a formação do artista plástico (ou visual) no circuito artístico. A dissertação teve por objetivo discutir a posição do artista brasileiro contemporâneo através da análise do seminário Longitudes, realizado na cidade de São Paulo em março de 2014. Três temas centrais nortearam a configuração do seminário e posterior análise: o primeiro abordou a identidade do artista; o segundo tratou da expansão dos espaços alternativos e do escopo de trabalho do artista; o terceiro dedicou-se aos locais de formação e à proliferação de faculdades e cursos livres que têm suprido a demanda do mercado de trabalho recém desenvolvido. A partir dos depoimentos coletados no seminário, discutiremos as relações de trabalho no meio e a profissionalização do artista contemporâneo no Brasil
The gradual expansion of private cultural institutions created a hand demand for skilled labor for its various sectors. Emerged in the last 20 years throughout the country training courses and several graduate and post-graduate courses in visual arts as well reconfiguring a new panorama of what has been, in recent years, the formation of the artist (or visual) on the art circuit. The dissertation aims to discuss the position of the Brazilian contemporary artist by an analysis of the Longitudes seminar, held in São Paulo in March 2014. Three central themes guided the seminar configuration and its further analysis: the first dealt with the artist\'s identity; the second dealt with the expansion of the alternative space and the artist\'s scope of work; the third topic turned to the training sites and the proliferation of colleges and other courses to come meet the demand of the newly developed labor market. From the testimonies collected in the workshop, we will discuss the labor relations in the milieu and the professionalization of the contemporary artist in Brazil
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Ruiz, Arriagada Jorge Luis Loewe Lobo Marcelo Patricio. "Longitudes de scattering pión-pión térmicas en el modelo de Nambu y Jona-Lasinio /." Santiago, Chile, 2008.

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Karunatillake, Suniti, James J. Wray, Olivier Gasnault, Scott M. McLennan, Rogers A. Deanne, Steven W. Squyres, William V. Boynton, J. R. Skok, Nicole E. Button, and Lujendra Ojha. "The association of hydrogen with sulfur on Mars across latitudes, longitudes, and compositional extremes." AMER GEOPHYSICAL UNION, 2016. http://hdl.handle.net/10150/621428.

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Midlatitudinal hydrated sulfates on Mars may influence brine pH, atmospheric humidity, and collectively water activity. These factors affect the habitability of the planetary subsurface and the preservation of relict biomolecules. Regolith at grain sizes smaller than gravel, constituting the bulk of the Martian subsurface at regional scales, may be a primary repository of chemical alteration, mechanical alteration, and biosignatures. The Mars Odyssey Gamma Ray Spectrometer with hundreds of kilometers of lateral resolution and compositional sensitivity to decimeter depth provides unique insight into this component of the regolith, which we call soil. Advancing the globally compelling association between H2O and S established by our previous work, we characterize latitudinal variations in the association between H and S, as well as in the hydration state of soil. Represented by H2O:S molar ratios, the hydration state of candidate sulfates increases with latitude in the northern hemisphere. In contrast, hydration states generally decrease with latitude in the south. Furthermore, we observe that H2O concentration may affect the degree of sulfate hydration more than S concentration. Limited H2O availability in soil-atmosphere exchange and in subsurface recharge could explain such control exerted by H2O on salt hydration. Differences in soil thickness, ground ice table depths, atmospheric circulation, and insolation may contribute to hemispheric differences in the progression of hydration with latitude. Our observations support chemical association of H2O with S in the southern hemisphere as suggested by Karunatillake et al. (2014), including the possibility of Fe sulfates as a key mineral group.
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Boistel, Guy. "L'astronomie nautique au XVIIIème siècle en France tables de la lune et longitudes en mer /." Lille : ANRT, Atelier national de reproduction des thèses, 2001. http://catalog.hathitrust.org/api/volumes/oclc/61502316.html.

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Boistel, Guy Gapaillard Jacques. "L'astronomie nautique au XVIIIème siècle en France : tables de la lune et longitudes en mer /." Lille : Atelier national de reproduction des thèses, 2003. http://catalogue.bnf.fr/ark:/12148/cb39232876h.

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Boistel, Guy. "L'astronomie nautique au XVIIIème siècle en France : Tables de la lune et longitudes en mer." Nantes, 2001. http://www.theses.fr/2001NANT2042.

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Morfouli, Meropi. "De la précision dans la mesure du temps à la théorie de la gravitation universelle (1630-1740)." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066610/document.

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La précision dans la mesure du temps est considérée par l’historiographie comme un élément qui a émergé simultanément avec la géométrisation des phénomènes naturels. Les savants du XVIIe siècle sont ainsi étudiés dans ce cadre comme des Philosophes Naturels qui considèrent comme seul argument fiable les résultats quantitatifs de mesure et de précision. Dans cette thèse nous avons étudié cette émergence, dans le cadre emblématique de la théorie gravitationnelle de Newton. Dans un premier temps nous avons défini la précision du temps comme un élément qui demande une amélioration constante par le biais des instruments. Nous avons ensuite découpé la connaissance scientifique en trois parties distinctes : la construction de la théorie, son application et la confirmation de cette dernière. Nous avons étudié la précision dans la mesure du temps et son rôle en tant qu’élément de validation dans les trois parties en mettant l’accent sur la première. Dans ce cadre d’étude nous avons démontré que la thèse couramment répandue dans l’historiographie jusqu’ici est problématique. La précision dans la mesure du temps n’a pas de relation de causalité directe avec la géométrisation de la nature. Son importance au sein des théories, au cas par cas, est évolutive et s’est pendant longtemps retrouvée cantonnée dans les aspects techniques du savoir avant de trouver en retour une place importante dans la théorie. L’étude des aspects techniques nous ont amené à l’exploration de documents liés à la détermination des longitudes en mer, et sa relation intrinsèque au développement du commerce entre continents. Dans ce cadre nous avons détaillé des aspects jusque là obscurs du « mesureur de temps » de Galilée, proposé par ce dernier comme un instrument de grande précision qui participe à la solution des longitudes
Precision in time measurement is considered by historiography as an element that emerged simultaneously with the geometrization of natural phenomena. The scholars of the seventeenth century are therefore studied in this context as Natural Philosophers who consider as the only reliable argument the quantitative results of measurement and precision. In this thesis we have studied this emergence, in the emblematic framework of Newton's gravitational theory. At first we defined the accuracy of time as an element that requires constant improvement through the instruments. We then divided the scientific knowledge into three distinct parts: the construction of the theory, its application and the confirmation of the theory. We studied the accuracy (here as synonym of precision) in the measurement of time and its role as a validation element in all three parts with a focus on the former. In this framework of study we have shown that the thesis commonly used in historiography so far is problematic. Precision in the measurement of time has no direct causal relation with the geometrization of nature. Its importance in theories, on a case-by-case study, is evolutionary and has for a long time been confined to the technical aspects of knowledge before finding an important place in the theory. The study of technical aspects led us to explore documents related to the determination of longitudes at sea, and its intrinsic relationship to the development of trade between continents. In this context we have detailed previously unclear aspects of Galileo's "time measurer", proposed by the later as an instrument of great accuracy being part of the longitude solution
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Francés, Monllor Jorge. "Implementación de métodos numéricos para el análisis electromagnético de medios periódicos: aplicación en longitudes de onda ópticas y optimización computacional." Doctoral thesis, Universidad de Alicante, 2011. http://hdl.handle.net/10045/22769.

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En esta tesis doctoral se ha desarrollado una serie de métodos numéricos para el análisis de dispositivos ópticos difractivos. Los dispositivos ópticos difractivos básicamente consisten en medios cuyas características físicas varían de forma periódica. Las aplicaciones de este tipo de elementos son diversas y parten desde filtros ópticos, fabricación de lentes, redes de difracción holográficas hasta aplicaciones de energía solar fotovoltaica. En particular, en esta Tesis Doctoral, se han analizado redes de difraccion holográficas de volumen (tanto en reflexión como en transmisión), redes de difracción basadas en aperturas, así como filtros dieléctricos de capas delgadas. Para el análisis riguroso y completo de estos medios en longitudes de onda ópticas se ha recurrido al método de las Diferencias Finitas en el Dominio del Tiempo (DFDT), el cual permite resolver las ecuaciones de Maxwell que modelan el campo electromagnético, en función del tiempo y del espacio. El estudio mediante el método numérico de las DFDT ha sido contrastado con las teorías clásicas que modelan el comportamiento de estos dispositivos, obteniendo resultados satisfactorios. La aplicación del método de las DFDT en longitudes de onda ópticas implica unas resoluciones temporales y espaciales muy reducidas, por lo que la simulación de mallas de varios órdenes de magnitud de la longitud de onda de trabajo repercute en un aumento del coste computacional y de memoria. Por ello, este método se ha acelarado mediante diferentes técnicas con el propósito de obtener el mayor rendimiento posible en las plataformas de cálculo más comunes en la actualidad: Unidades de Proceso Central (UPC) disponibles en los microprocesadores modernos, y Unidades de Procesado Gráfico (UPG) las cuales están presentes en las tarjetas gráficas de los computadores actuales.
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Books on the topic "Longitudes"

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Roy, Marcelle. Longitudes. Saint-Hippolyte, Québec: Editions du Noroît, 1998.

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Gadriel, Paul. Bureau des longitudes. [Paris]: Gallimard, 1996.

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Longitudes: Selected poems. Iowa City: Carmine Creek Press, 1999.

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Fitoussi, Annie. Le Bureau des Longitudes: Roman. [Paris]: Fayard, 2001.

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Longitudes and latitudes throughout the world. Tempe, AZ: American Federation of Astrologers, 1995.

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Altitude et longitudes, ou, Le fauteuil flottant. Grenoble: Glénat, 1994.

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Friedman, Thomas L. Longitudes and attitudes: Exploring the world after September 11. New York: Farrar, Straus, Giroux, 2002.

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The international atlas: World latitudes, longitudes, and time changes. San Diego, CA: ACS Publications, 1985.

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Friedman, Thomas L. Longitudes and attitudes: Exploring the world after September 11. New York: Farrar, Straus and Giroux, 2002.

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Nautonier, Guillaume de. La mecographie de l'Eymant: C'est a dire, la description des longitudes trouvées par les observations des declinaisons de l'Eymant en laquelle par un moyen trescertain, & cy devant incognu ... [S.l: s.n.], 1987.

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Book chapters on the topic "Longitudes"

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Lequeux, James. "Telegraphic Longitudes." In Le Verrier—Magnificent and Detestable Astronomer, 247–66. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5565-3_8.

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Pai, Venketeswara, K. Ramasubramanian, M. S. Sriram, and M. D. Srinivas. "Obtaining the planetary longitudes." In Sources and Studies in the History of Mathematics and Physical Sciences, 177–232. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6814-0_7.

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Walter, Scott A., Philippe Nabonnand, Ralf Krömer, and Martina Schiavon. "Le Bureau des longitudes." In La correspondance entre Henri Poincaré, les astronomes, et les géodésiens, 311–48. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-7643-8293-3_47.

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Ramasubramanian, K., and M. S. Sriram. "Mean longitudes of planets." In Tantrasaṅgraha of Nīlakaṇṭha Somayājī, 1–47. London: Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-036-6_1.

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Ramasubramanian, K., and M. S. Sriram. "True longitudes of planets." In Tantrasaṅgraha of Nīlakaṇṭha Somayājī, 49–129. London: Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-036-6_2.

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Schiavon, Martina. "The Bureau des Longitudes: An Institutional Study." In Navigational Enterprises in Europe and its Empires, 1730–1850, 65–85. London: Palgrave Macmillan UK, 2015. http://dx.doi.org/10.1057/9781137520647_5.

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Rodonò, M., and A. F. Lanza. "Active Longitudes and Rotation of Active Stars." In Magnetodynamic Phenomena in the Solar Atmosphere, 375–86. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0315-9_69.

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Jones, Alexander. "Ancient Rejection and Adoption of Ptolemy’s Frame of Reference for Longitudes." In Archimedes, 11–44. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-2788-7_2.

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Kocharov, Leon, Jarmo Torsti, Timo Laitinen, and Matti Teittinen. "Post-Impulsive-Phase Acceleration in a Wide Range of Solar Longitudes." In Physics of the Solar Corona and Transition Region, 295–307. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-017-3429-5_19.

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Rabiu, A. Babatunde, Olanike O. Folarin, Teiji Uozumi, and Akimasa Yoshikawa. "Simultaneity and Asymmetry in the Occurrence of Counterequatorial Electrojet along African Longitudes." In Ionospheric Space Weather, 21–31. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781118929216.ch2.

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Conference papers on the topic "Longitudes"

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Kramynin, A. P., and F. A. Mikhalina. "ACTIVE LONGITUDES AT THE MAXIMA OF SOLAR CYCLES." In All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2020. http://dx.doi.org/10.31725/0552-5829-2020-173-176.

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Jeffers, S. V., C. U. Keller, and Eric Stempels. "An analytical model to demonstrate the reliability of reconstructed ‘active longitudes’." In COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun. AIP, 2009. http://dx.doi.org/10.1063/1.3099201.

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Sur, Dibyendu, Jasmine Firdaus, Trisha Paul, Raktima Dutta, and Chaitali Bhattacharyya. "Response of Equatorial Ionization in Indian Longitudes to HSSW Driven Geomagnetic Storm." In 2020 IEEE Calcutta Conference (CALCON). IEEE, 2020. http://dx.doi.org/10.1109/calcon49167.2020.9106510.

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Hernández-Sánchez, Natalia, and María Gómez-del-Campo. "Identificación optimizada de las longitudes de onda relevantes en espectros NIR de aceituna." In X Congreso Ibérico de Agroingeniería = X Congresso Ibérico de Agroengenharia. Zaragoza: Servicio de Publicaciones Universidad, 2019. http://dx.doi.org/10.26754/c_agroing.2019.com.3425.

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Chu, Fang-Dar, Wei-Sheng Chen, Chien-Chih Lee, Wei-Chih Hsu, Huang-Tien Lin, and Chia-Shu Liao. "Characteristics of low latitude nocturnal ionospheric irregularities over India-Arab longitudes during solar maximum." In 2011 XXXth URSI General Assembly and Scientific Symposium. IEEE, 2011. http://dx.doi.org/10.1109/ursigass.2011.6051000.

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Garcia, Alfredo. "ANÁLISIS DE LA LONGITUD DE LAS RECTAS Y SU INFLUENCIA EN LA CONSISTENCIA DEL DISEÑO GEOMÉTRICO DE CARRETERAS CONVENCIONALES." In CIT2016. Congreso de Ingeniería del Transporte. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/cit2016.2016.4119.

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Los trazados que presentan rectas de elevada longitud fomentan que los conductores circulen a mayores velocidades, pudiendo alcanzar sus velocidades deseadas en la parte central de las mismas. Como consecuencia de ello, son grandes las reducciones de velocidad para afrontar las curvas posteriores. En cambio, con rectas cortas, las velocidades que se pueden desarrollar en las dos curvas de los extremos están condicionadas mutuamente para que no haya una reducción excesiva de la velocidad. Las reducciones excesivas de velocidad comprometen la adecuada consistencia de una carretera por lo que están correlacionadas con una mayor siniestralidad. La mayoría de modelos de velocidad de operación existentes han sido calibrados a partir de mediciones puntuales de velocidad. Para estimar los perfiles de velocidad de operación, se hace necesario incorporar unas reglas de construcción. La gran mayoría de ellas considera que los cambios de velocidad se producen solo a lo largo de la recta. En la investigación que se presenta, se ha analizado el comportamiento operacional de un gran número de conductores en las rectas, encontrando importantes diferencias respecto del comportamiento anterior. Analizando la evolución de la velocidad de operación observada en 70 secciones curva-recta-curva de carreteras convencionales se ha encontrado que la variación de velocidad se produce en una longitud superior a la propia recta; esa nueva longitud efectiva está conformada por la longitud de la recta más un cierto desarrollo de las curvas adyacentes. Los resultados apuntan a que la longitud empleada para variar la velocidad antes y después de las rectas es de unos 145 m, independientemente de la configuración geométrica. Adicionalmente, se han comparado los resultados del análisis geométrico y operacional de las secciones con los criterios correspondientes de la nueva Instrucción de Trazado de Carreteras, encontrando disparidades manifiestas y planteándose mejoras a la misma, siendo el punto de mayor discrepancia las reducidas longitudes que esta emplea para considerar algunas rectas como no independientes. Se han encontrado tres niveles de independencia de las rectas a diferencia de los dos niveles tradicionalmente empleados a nivel internacional.DOI: http://dx.doi.org/10.4995/CIT2016.2016.4119
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Sur, Dibyendu, and Ashik Paul. "Performance analysis of artificial neural network based TEC models at different longitudes in the low latitude region." In 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS). IEEE, 2014. http://dx.doi.org/10.1109/ursigass.2014.6929827.

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Lengua, Ismael, Bernardo Pajares Moreno, Guillermo Peris-Fajarnes, María Moncho Santonja, and Fernando J. Garrigós Simón. "Análisis de la cocción de alimentos precocinados mediante tecnología de infrarrojos." In INNODOCT 2018. València: Editorial Universitat Politècnica de València, 2018. http://dx.doi.org/10.4995/inn2018.2018.8904.

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La presente investigación estudia la cocción de un alimento precocinado. Aprovechando que ciertos alimentos tienen forma cilíndrica, se utilizará el movimiento rotatorio para su cocción. Utilizando una cantidad mínima de aceite. Para la realización del experimento de cocción, se barajaros diferentes tipos de lámparas de tecnología infrarroja de diferentes longitudes de. Los resultados obtenidos nos indicarán si la cocción del producto se realiza de una forma adecuada. El objetivo es mantener las condiciones organolépticas, en comparación a la inmersión en aceite en alta temperatura. Al mismo tiempo, el resultado del estudio condicionará el posible diseño de un horno de cocción en continuo. Con la finalidad de cocinar este tipo de producto a nivel industrial.
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Félix Patrón, Roberto Salvador, and Ruxandra Mihaela Botez. "Flight Trajectory Optimization Through Genetic Algorithms Coupling Vertical and Lateral Profiles." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36510.

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For long flights, the cruise is the longest phase and is where the largest proportion of fuel is consumed. A new flight trajectory calculation method utilizing genetic algorithms is proposed here. The lateral and vertical navigation profiles are analyzed to obtain the optimal cruise trajectory in terms of fuel consumption. With a complete analysis of the wind currents, a 3D grid is created for all along the cruise phase, including latitudes, longitudes and altitudes. Different flight trajectories are calculated using genetic algorithms. To improve calculation time and precision, the flight trajectories are calculated using the performance databases for commercial aircraft, databases which are used in actual flight management system platforms. This optimization process indicates that fuel cost savings of up to 5.6% can be achieved.
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Wiedenbeck, M. E., G. M. Mason, R. Gómez-Herrero, D. Haggerty, N. V. Nitta, C. M. S. Cohen, E. E. Chollet, et al. "Observations of a [sup 3]He-rich SEP Event over a Broad Range of Heliographic Longitudes: Results from STEREO and ACE." In TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP, 2010. http://dx.doi.org/10.1063/1.3395943.

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Reports on the topic "Longitudes"

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Cameron, C. E. Latitudes and longitudes of volcanoes in Alaska. Alaska Division of Geological & Geophysical Surveys, March 2005. http://dx.doi.org/10.14509/7103.

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Shagimuratov, I. I., S. A. Chernouss, I. V. Despirak, M. V. Filatov, I. I. Efishov, and N. Yu Tepenitsyna. Occurrence of TEC fluctuations and GPS positioning errors at different longitudes during auroral disturbances. Balkan, Black sea and Caspian sea Regional Network for Space Weather Studies, May 2018. http://dx.doi.org/10.31401/sungeo.2018.01.12.

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Hamermesh, Daniel, Caitlin Knowles Myers, and Mark Pocock. Time Zones as Cues for Coordination: Latitude, Longitude, and Letterman. Cambridge, MA: National Bureau of Economic Research, July 2006. http://dx.doi.org/10.3386/w12350.

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Parfenova, Elena. Database "Climate parameters of seed provenances of pine in northern eurasia". SIB-Expertise, December 2020. http://dx.doi.org/10.12731/sib-expertise-0351-25122020.

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Database is created for pine (Pinus sylvestris L.) seeds weight from different habitats of northern Eurasia. Each database record consists of the following fields: latitude, longitude, July temperature, January temperature, mean annual temperature, annual precipitation, precipitation of vegetation period, growing degree days of vegetation period, degree days of winter period. Database is of 200 records long distributed along the whole area of pine in northern Eurasia.
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Looney, B. B., J. T. Jr Marsh, and D. W. Hayes. Development of accurate standardized algorithms for conversion between SRP grid coordinates and latitude/longitude. Office of Scientific and Technical Information (OSTI), October 1987. http://dx.doi.org/10.2172/10153087.

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Baker, D. N., J. B. Blake, D. J. Gorney, P. R. Higbie, R. W. Klebesadel, and J. H. King. Relativistic Electron Precipitation Patterns in Longitude and Latitude: A Reply to W. R. Sheldon. Fort Belvoir, VA: Defense Technical Information Center, February 1989. http://dx.doi.org/10.21236/ada206459.

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Morris, Heidi E. Calculation of Latitude and Longitude for Points on Perimeter of a Circle on a Sphere. Office of Scientific and Technical Information (OSTI), August 2015. http://dx.doi.org/10.2172/1211582.

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Moyd, L. GEOLOC: a brief and precise world-wide latitude and longitude based site-descriptor for specimens, records, maps and photographs. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1994. http://dx.doi.org/10.4095/193966.

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Blaha, Georges. Generalized Latitude and Longitude in a General Riemannian Space, with a Specialization for Hotine's (Omega, Phi, Nu) Coordinate System. Fort Belvoir, VA: Defense Technical Information Center, February 1991. http://dx.doi.org/10.21236/ada235584.

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Latitude and Longitude of Canada. Natural Resources Canada/CMSS/Information Management, 2002. http://dx.doi.org/10.4095/295341.

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