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Littérature scientifique sur le sujet « Spectral stack »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Spectral stack"

Zhou, Wei, Haoran Li, Shiya Wen, et al. "Simulation of Soil Organic Carbon Content Based on Laboratory Spectrum in the Three-Rivers Source Region of China." Remote Sensing 14, no. 6 (2022): 1521. http://dx.doi.org/10.3390/rs14061521.

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Soil organic carbon (SOC) changes affect the land carbon cycle and are also closely related to climate change. Visible-near infrared spectroscopy (Vis-NIRS) has proven to be an effective tool in predicting soil properties. Spectral transformations are necessary to reduce noise and ensemble learning methods can improve the estimation accuracy of SOC. Yet, it is still unclear which is the optimal ensemble learning method exploiting the results of spectral transformations to accurately simulate SOC content changes in the Three-Rivers Source Region of China. In this study, 272 soil samples were co

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Stojkovic, Suzana, Jaakko Astola, and Karen Egiazarian. "Calculation of selection probabilities of stack filters through BDD." Facta universitatis - series: Electronics and Energetics 17, no. 3 (2004): 421–42. http://dx.doi.org/10.2298/fuee0403421s.

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This paper presents a procedure for calculation of selection probabilities of stack filters using Binary decision diagrams (BDDs) to represent the positive Boolean function that defines the stack filter. The procedure is derived by a modification of the spectral method for calculation of selection probabilities of stack filters. The usage of BDDs, instead of vectors overcomes the exponential complexity of the corresponding spectral method and extends application of the spectral method to stack filters with large windows widths.

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Poshakinskiy, Alexander V., Dmitrii R. Kazanov, Tatiana V. Shubina, and Sergey A. Tarasenko. "Optical activity in chiral stacks of 2D semiconductors." Nanophotonics 7, no. 4 (2018): 753–62. http://dx.doi.org/10.1515/nanoph-2017-0114.

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AbstractWe show that the stacks of two-dimensional semiconductor crystals with the chiral packing exhibit optical activity and circular dichroism. We develop a microscopic theory of these phenomena in the spectral range of exciton transitions that takes into account the spin-dependent hopping of excitons between the layers in the stack and the interlayer coupling of excitons via electromagnetic field. For the stacks of realistic two-dimensional semiconductors such as transition metal dichalcogenides, we calculate the rotation and ellipticity angles of radiation transmitted through such structu

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Jones, Hugh R. A., and Mike R. S. Hawkins. "A Deep Large area Search for Low Luminosity Stars." Highlights of Astronomy 11, no. 1 (1998): 435. http://dx.doi.org/10.1017/s1539299600021675.

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In a recent survey for faint red stars from a digital stack of Schmidt plates a number of candidate objects were identified. Parallax’s for three of these objects have been reported showing them to have luminosities which interpreted within the available evolutionary models indicate them to be good brown dwarf candidates. Here we examine spectra of these objects and others from the plate stack. Using standard spectral indices we find that for a given spectral type their spectra are more consistent with the Pleiades brown dwarfs (PPL 15, Teide 1 and Calar 3) than with standard late-type M dwarf

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Journal, Baghdad Science. "EXTENSION OF HIGH REFLECTANCE BAND WIDTH FOR FAR INFRARED SPECTRAL REGION : (1)." Baghdad Science Journal 1, no. 2 (2004): 247–52. http://dx.doi.org/10.21123/bsj.1.2.247-252.

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Extension of bandwidth for high reflectance zone for the spectral region (8-14pm) was studied adapting the concept of contiguous and overlapping high reflectance stacks. Computations was carried out using the modified characteristic matrix theory restricted to near-normal incidence of light on dielectric , homogenous and isotropic symmetrical stack. Certain precautions must be taken in the choice of stacks to avoid deep —reflectance minima from developing within the extended high reflectance region. Results illustrate that the techniques of extending the high reflectance regions are applicable

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Bowman, Christen L., Devin S. Rand, Lorraine E. Lisiecki та Samantha C. Bova. "An 800 kyr planktonic δ¹⁸O stack for the Western Pacific Warm Pool". Earth System Science Data 16, № 1 (2024): 701–13. http://dx.doi.org/10.5194/essd-16-701-2024.

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Abstract. The Western Pacific Warm Pool (WPWP) exhibits different glacial–interglacial climate variability compared to high latitudes, and its sea surface temperatures are thought to respond primarily to changes in greenhouse forcing. To better characterize the orbital-scale climate response covering the WPWP, we constructed a planktonic δ18O stack (average) of 10 previously published WPWP records of the last 800 kyr, available at https://doi.org/10.5281/zenodo.10211900 (Bowman et al., 2023), using the new Bayesian alignment and stacking software BIGMACS (Lee et al., 2023b). Similarities in st

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Karmakov, Y., D. Spassov, and A. Paskaleva. "Ellipsometry of very thin Al₂O₃-HfO₂ stacks for nano-memory applications." Journal of Physics: Conference Series 2710, no. 1 (2024): 012010. http://dx.doi.org/10.1088/1742-6596/2710/1/012010.

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Abstract Nowadays, the way towards manufacturing of advanced flash memory devices with conformal layers in stacks or laminates depends on their physical characterisation, i.e. the layer and interface thicknesses, density and composition. The transition dimension between thin and very thin stacks is in the range of few nanometres. The assumption that the oxide layer properties in the very thin stacks are constant in depth or are the same as for the bulk material values is not correct. We have applied ellipsometry (Variable Angle Spectral Ellipsometry, and Multiple Angle Incident Ellipsometry) w

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Clerici, Slodkowski Katia, and Natalia Vale Asari. "Direct measures of chemical abundances from stacked spectra of star-forming galaxies: Implications for the mass–metallicity–star formation rate relation." Proceedings of the International Astronomical Union 15, S359 (2020): 424–26. http://dx.doi.org/10.1017/s174392132000188x.

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AbstractThe stellar mass–star formation rate–metallicity relation provides clues on the chemical evolution of galaxies. We revisit this relation by measuring the gas-phase metallicity using the direct method. For metal-rich galaxies this is not straightforward, because auroral emission lines sensitive the electron temperature are lost in spectral noise. In order to increase the spectral signal-to-noise ratio and detect faint auroral lines, we stack the spectra of similar galaxies. This allows us to use the direct method to obtain consistent metallicity measurements.

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Chen, Qingxiang, Martin Meyer, Attila Popping, and Lister Staveley-Smith. "Interferometric cubelet stacking to recover H i emission from distant galaxies." Monthly Notices of the Royal Astronomical Society 502, no. 2 (2021): 2308–18. http://dx.doi.org/10.1093/mnras/stab168.

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ABSTRACT In this paper, we introduce a method for stacking data cubelets extracted from interferometric surveys of galaxies in the redshifted 21-cm H},i line. Unlike the traditional spectral stacking technique, which stacks one-dimensional spectra extracted from data cubes, we examine a method based on image domain stacks that makes deconvolution possible. To test the validity of this assumption, we mock a sample of 3622 equatorial galaxies extracted from the GAMA survey, recently imaged as part of a DINGO-VLA project. We first examine the accuracy of the method using a noise-free simulation a

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Jolly, Jean-Baptiste, Kirsten K. Knudsen, and Flora Stanley. "linestacker: a spectral line stacking tool for interferometric data." Monthly Notices of the Royal Astronomical Society 499, no. 3 (2020): 3992–4010. http://dx.doi.org/10.1093/mnras/staa2908.

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ABSTRACT linestacker is a new open access and open source tool for stacking of spectral lines in interferometric data. linestacker is an ensemble of casa tasks, and can stack both 3D cubes or already extracted spectra. The algorithm is tested on increasingly complex simulated data sets, mimicking Atacama Large Millimeter/submillimeter Array, and Karl G. Jansky Very Large Array observations of [C ii] and CO(3–2) emission lines, from z ∼ 7 and z ∼ 4 galaxies, respectively. We find that the algorithm is very robust, successfully retrieving the input parameters of the stacked lines in all cases wi

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Thèses sur le sujet "Spectral stack"

Chandran, Ashwin. "Self-Assembled Multilayered Dielectric Spectral Filters." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/30859.

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Thin film optical filters are made by depositing thin films of optical materials on a substrate in such a way as to produce the required optical and mechanical properties. The Electrostatic Self Assembly (ESA) process is accomplished by the alternate adsorption of poly-anionic and poly-cationic molecules on progressive oppositely charged surfaces. This technique offers several advantages such as ease of fabrication, molecular level uniformity, stable multilayer synthesis and avoidance of the need for a vacuum environment. The ESA process offers an excellent choice for manufacturing optical thi

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Benredjem, Djamel. "Etude théorique du déplacement des raies spectrales par effet de polarisation dans les plasmas denses : cas des raies de l'hélium hydrogenoïde." Paris 6, 1986. http://www.theses.fr/1986PA066016.

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Le déplacement des raies de l'hélium hydrogenoïde émises dans les plasmas denses a été calculé en considérant l'effet des électrons libres et celui des ions perturbateurs sur l'émetteur. Le premier, déterminé par une méthode de potentiel auto-consistant, induit un déplacement vers le rouge alors que le second, calcule par perturbation, décale les raies vers le bleu. Deux méthodes de calcul de cette grandeur ont été développées : l'une permet d'évaluer le déplacement comme moment spectral du profil complet; l'autre, plus simple, séparé les deux contributions et peut s'appliquer à des états très

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Lhuissier, Jean-François. "Etude de raies d'argon ionisé élargies par effet Stark." Rouen, 1987. http://www.theses.fr/1987ROUES002.

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Etude expérimentale et théorique de l'élargissement par effet Stark de raies d'argon ionisé. Etude expérimentale des différents paramètres physiques de l'arc TIG utilisé. Mesure des largeurs de raies. Calcul numérique des largeurs en théorie semi-classique à l'aide de l'approximation impact. Comparaison critique des différents résultats

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Wang, Nancy. "Spectral Portfolio Optimisation with LSTM Stock Price Prediction." Thesis, KTH, Matematisk statistik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-273611.

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Nobel Prize-winning modern portfolio theory (MPT) has been considered to be one of the most important and influential economic theories within finance and investment management. MPT assumes investors to be riskaverse and uses the variance of asset returns as a proxy of risk to maximise the performance of a portfolio. Successful portfolio management reply, thus on accurate risk estimate and asset return prediction. Risk estimates are commonly obtained through traditional asset pricing factor models, which allow the systematic risk to vary over time domain but not in the frequency space. This ap

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Ramaz, François. "Etude et caractérisation optique de cristaux inorganiques présentant le phénomène de formation de trous spectraux (Spectral Holeburning)." Grenoble 1, 1991. http://www.theses.fr/1991GRE10109.

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Les transitions optiques dans les solides a tres basse temperature possedent des largeurs de raie de quelques ghz, causees par l'elargissement inhomogene, qui peut alors loyer des effets tres fins. La technique dite de holeburning, ou formation de trous spectraux, permet de s'affranchir de cette largeur car il est possible de venir creuser des trous de frequence dans la transition au moyen d'un laser spectralement tres fin (1 mhz). Ces trous se presentent a des frequences caracteristiques du systeme etudie, ils sont l'equivalent d'une raie d'absorption tres fine (quelques mhz). Le cristal de c

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Lemaire, Pascal. "Étude expérimentale du déplacement spectral de polarisation dans les plasmas denses." Paris 11, 1985. http://www.theses.fr/1985PA112143.

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Le présent travail porte sur l'étude expérimentale du déplacement spectral dû à la présence d'électrons libres d'un plasma dense produit par laser, dans le cortège électronique de l'ion émetteur. La mise en évidence de cet effet, appelé déplacement spectral de polarisation, a été obtenue pour les transitions Lyman alpha et Lyman bêta du lithium hydrogénoïde. Des résultats résolus temporellement puis spatialement sont présentés et discutés. L'évolution des profils de raie avec le flux laser et la localisation de l'observation dans le plasma a été étudiée. Des simulations numériques, incluant le

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Montgomery, Katherine Ensign. "Stack the Deck: An Intervention for Regulating Verbal Participation in Students with Autism Spectrum Disorder." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/6894.

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Some students with autism spectrum disorder (ASD) struggle with social reciprocity, or the ability to engage in chains of back-and-forth conversation, interfering with other students' ability to respond to a question that is posed by the teacher in classrooms. The participants were 11 fifth grade students with autism spectrum disorder. We used a simple differential reinforcement intervention within a token system in direct instruction sessions for math to help balance the participation in a class of children with ASD as well as lower the number of talk-outs made by all students. Using a single

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Rosam, Ben. "Intraband Dynamics in the Optically Excited Wannier-Stark Ladder Spectrum of Semiconductor Superlattices." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1122486920194-75406.

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In semiconductor superlattices, the carrier band structure can be tailored by the proper choice of their geometry. Therefore, superlattices are a model system for the study of coherent high-field transport phenomena in a periodic potential with applied static electric field. This thesis is structured in two parts. I. Zener Tunneling in Semiconductor Superlattices. In this work,semiconductor superlattices with shallow barriers and narrow band gaps were employed to investigate the Zener breakdown. In these samples, tunneling in the electron Wannier-Stark ladder spectrum is addressed as coupling

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Rosam, Ben. "Intraband Dynamics in the Optically Excited Wannier-Stark Ladder Spectrum of Semiconductor Superlattices." Doctoral thesis, Technische Universität Dresden, 2004. https://tud.qucosa.de/id/qucosa%3A24547.

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Dulcini, Enrico. "Spectrum sensing su piattaforma software defined radio: Implementazione e test su stick dvb-t." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7094/.

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Livres sur le sujet "Spectral stack"

Fuhr, J. R. Bibliography on atomic line shapes and shifts (July 1978 through March 1992). National Institute of Standards and Technology, 1993.

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Cappelli, Mark Antony. Electron density measurements from Stark broadened emission in a sodium plasma produced by laser resonance saturation. Institute for Aerospace Studies, 1987.

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Cappelli, Mark Antony. Electron density measurements from Stark broadened emission in a sodium plasma produced by laser resonance saturation. [Institute for Aerospace Studies], 1987.

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Olof, Fröman Per, ed. Stark effect in a hydrogenic atom or ion: Treated by the phase-integral method. Imperial College Press, 2008.

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(Canada), Northwest Atlantic Fisheries Centre. Proceedings of the workshop on the potential use of the biomass-size spectrum for estimating northern cod stocks, Northwest Atlantic Fisheries Centre, St.John's Newfoundland, March 25-27, 1991. Northwest Atlantic Fisheries Centre, 1991.

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Pantev, Tony. Stacks and catetories in geometry, topology, and algebra: CATS4 Conference Higher Categorical Structures and Their Interactions with Algebraic Geometry, Algebraic Topology and Algebra, July 2-7, 2012, CIRM, Luminy, France. American Mathematical Society, 2015.

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Stark Broadening of Spectral Lines in Plasmas. MDPI, 2018. http://dx.doi.org/10.3390/books978-3-03897-456-7.

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Stark Broadening of Spectral Lines in Plasmas. Mdpi AG, 2019.

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Oks, Eugene. Stark Broadening of Hydrogen and Hydrogenlike Spectral Lines. Alpha Science International, Ltd, 2006.

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Monster H. 3 -Spectra y Operetta + stick. Editorial Cordillera, 2013.

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Chapitres de livres sur le sujet "Spectral stack"

Goldmann, Mikael, and Alexander Russell. "Spectral Bounds on General Hard Core Predicates." In STACS 2000. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-46541-3_51.

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Joseph, Deborah, and Meera Sitharam. "Kolmogorov complexity, restricted nondeterminism and generalized spectra." In STACS 90. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/3-540-52282-4_39.

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Elsässer, Robert, Rastislav Královič, and Burkhard Monien. "Scalable Sparse Topologies with Small Spectrum." In STACS 2001. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-44693-1_19.

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Goerdt, Andreas, and Michael Krivelevich. "Efficient Recognition of Random Unsatisfiable k-SAT Instances by Spectral Methods." In STACS 2001. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-44693-1_26.

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Hopkins, Michael J. "From spectra to stacks." In Topological Modular Forms. American Mathematical Society, 2014. http://dx.doi.org/10.1090/surv/201/09.

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Herbst, Ira, and Erik Skibsted. "Spectral analysis of N-body Stark Hamiltonians." In CRM Proceedings and Lecture Notes. American Mathematical Society, 1995. http://dx.doi.org/10.1090/crmp/008/14.

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Nickel, Andreas. "Conjectures of Brumer, Gross and Stark." In Spectral Structures and Topological Methods in Mathematics. European Mathematical Society Publishing House, 2019. http://dx.doi.org/10.4171/197-1/16.

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Uehara, Kiyoji, and Hiroyuki Sasada. "Atlas of Absorption and Stark Modulation Spectra." In High Resolution Spectral Atlas of Nitrogen Dioxide 559–597 nm. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-82409-8_5.

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Afrasiabi, Ahmad, Massoud Moallem, and Walter C. Labys. "Spectral interpretation of stock adjustment processes in mineral markets." In International Commodity Market Models. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3084-4_8.

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Pérez-Estrada, Carlos, and Carlos Villegas-Blas. "On the Explicit Semiclassical Limiting Eigenvalue (Resonance) Distribution for the Zeeman (Stark) Hydrogen Atom Hamiltonian." In Spectral Theory and Mathematical Physics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55556-6_11.

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Actes de conférences sur le sujet "Spectral stack"

Shao, Hao-Chiang, Szu-Chi Wu, Yen-Liang Chuo, Jyun-Hao Lin, Yuan-Rong Liao, and Tse-Yu Tseng. "RGBT2HS-Net: Reconstructing a Hyper-Spectral Volume from an Rgb-T Stack via an Attention-Powered Multiresolution Framework." In 2024 IEEE International Conference on Acoustics, Speech, and Signal Processing Workshops (ICASSPW). IEEE, 2024. http://dx.doi.org/10.1109/icasspw62465.2024.10627758.

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Pena, Felipe A. V., Lourenildo W. B. Leite, and Wildney W. S. Vieira. "CRS-partial stack and spectral content." In 13th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 26-29 August 2013. Society of Exploration Geophysicists and Brazilian Geophysical Society, 2013. http://dx.doi.org/10.1190/sbgf2013-305.

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de Matos, Marcilio Castro, and Kurt Marfurt. "Pre-stack wavelet transform spectral broadening application." In SEG Technical Program Expanded Abstracts 2015. Society of Exploration Geophysicists, 2015. http://dx.doi.org/10.1190/segam2015-5909464.1.

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Egiazarian, Karen O., Pauli Kuosmanen, Jaakko T. Astola, and Sos S. Agaian. "Spectral approach to selection probabilities of stack filters." In IS&T/SPIE's Symposium on Electronic Imaging: Science & Technology, edited by Edward R. Dougherty, Jaakko T. Astola, Harold G. Longbotham, Nasser M. Nasrabadi, and Aggelos K. Katsaggelos. SPIE, 1995. http://dx.doi.org/10.1117/12.205263.

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Agaian, Sos S., Karen O. Egiazarian, and Jaakko T. Astola. "Spectral conversion algorithm from weighted median to stack filter." In SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, edited by Edward R. Dougherty, Paul D. Gader, and Jean C. Serra. SPIE, 1993. http://dx.doi.org/10.1117/12.146673.

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McArdle, N., and G. Paton. "Comparison of Spectral Enhancement Techniques Applied to Post Stack Data." In 76th EAGE Conference and Exhibition 2014. EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20141567.

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Villamizar, Brian, Liu Hanyang, and Nianfu Cheng. "Increasing the value of seismic data with pre-stack spectral blueing." In SEG 2018 Workshop: Reservoir Geophysics, Daqing, China, 5-7 August 2018. Society of Exploration Geophysicists and the Chinese Geophysical Society, 2018. http://dx.doi.org/10.1190/rege2018-07.1.

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Damm, David L., and Andrei G. Fedorov. "Spectral Radiative Heat Transfer Analysis of the Planar SOFC." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60142.

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Thermo-mechanical failure of components in planar-type solid oxide fuel cells (SOFCs) depends strongly on the local temperature gradients at the interfaces of different materials. Therefore, it is of paramount importance to accurately predict the temperature fields within the stack, especially near the interfaces. Because of elevated operating temperatures (of the order of 1000 K or even higher), radiation heat transfer could become a dominant mode of heat transfer in the SOFCs. In this study, we extend our recent work on radiative effects in solid oxide fuel cells (Journal of Power Sources, V

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Al Radi, Muaz, Hamad Karki, Naoufel Werghi, Sajid Javed, and Jorge Dias. "Video Analysis of Flare Stacks with an Autonomous Low-Cost Aerial System." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211007-ms.

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Abstract Objectives/Scope The inspection of flare stacks operation is a challenging task that requires time and human effort. Flare stack systems undergo various types of faults, including cracks in the flare stack's structure and incomplete combustion of the flared gas, which need to be monitored in a timely manner to avoid costly and dangerous accidents. Automating this inspection process via the application of autonomous robotic systems is a promising solution for minimizing the involved hazards and costs. Methods, Procedures, Process In this work, we present an autonomous low-cost aerial s

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Blum, O., J. E. Zucker, T. H. Chiu та ін. "InGaAs/InP Multiple Quantum Well Tunable Bragg Reflector Operating at 1.55 μm". У OSA Annual Meeting. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.pd13.

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Surface emitting lasers have wide applications in optical communications, interconnects and information processing. Active tuning and steering of such devices requires integratable, surface-normal mirrors and filters. We present here the first tunable surface-normal distributed Bragg mirror for optical communications wavelengths. The device uses enhanced electrorefraction and electroabsorption in InGaAs/InP quantum wells (QW), which comprise alternate quarter-wave layers in the mirror. The remaining layers in the 31 Bragg pair mirror consist of bulk InP. The measured zero-field transmission of

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Rapports d'organisations sur le sujet "Spectral stack"

Soloviev, Vladimir, Victoria Solovieva, Anna Tuliakova, Alexey Hostryk, and Lukáš Pichl. Complex networks theory and precursors of financial crashes. [б. в.], 2020. http://dx.doi.org/10.31812/123456789/4119.

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Based on the network paradigm of complexity in the work, a systematic analysis of the dynamics of the largest stock markets in the world and cryptocurrency market has been carried out. According to the algorithms of the visibility graph and recurrence plot, the daily values of stock and crypto indices are converted into a networks and multiplex networks, the spectral and topological properties of which are sensitive to the critical and crisis phenomena of the studied complex systems. This work is the first to investigate the network properties of the crypto index CCI30 and the multiplex networ

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Соловйов, В. М., та В. В. Соловйова. Моделювання мультиплексних мереж. Видавець Ткачук О.В., 2016. http://dx.doi.org/10.31812/0564/1253.

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From the standpoint of interdisciplinary self-organization theories and synergetics analyzes current approaches to modeling socio-economic systems. It is shown that the complex network paradigm is the foundation on which to build predictive models of complex systems. We consider two algorithms to transform time series or a set of time series to the network: recurrent and graph visibility. For the received network designed dynamic spectral, topological and multiplex measures of complexity. For example, the daily values the stock indices show that most of the complexity measures behaving in a ch

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Derbentsev, V., A. Ganchuk, and Володимир Миколайович Соловйов. Cross correlations and multifractal properties of Ukraine stock market. Politecnico di Torino, 2006. http://dx.doi.org/10.31812/0564/1117.

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Recently the statistical characterizations of ﬁnancial markets based on physics concepts and methods attract considerable attentions. The correlation matrix formalism and concept of multifractality are used to study temporal aspects of the Ukraine Stock Market evolution. Random matrix theory (RMT) is carried out using daily returns of 431 stocks extracted from database time series of prices the First Stock Trade System index (www.kinto.com) for the ten-year period 1997-2006. We ﬁnd that a majority of the eigenvalues of C fall within the RMT bounds for the eigenvalues of random correlation matr

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Soloviev, Vladimir, Andrii Bielinskyi, Oleksandr Serdyuk, Victoria Solovieva, and Serhiy Semerikov. Lyapunov Exponents as Indicators of the Stock Market Crashes. [б. в.], 2020. http://dx.doi.org/10.31812/123456789/4131.

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The frequent financial critical states that occur in our world, during many centuries have attracted scientists from different areas. The impact of similar fluctuations continues to have a huge impact on the world economy, causing instability in it concerning normal and natural disturbances [1]. The an- ticipation, prediction, and identification of such phenomena remain a huge chal- lenge. To be able to prevent such critical events, we focus our research on the chaotic properties of the stock market indices. During the discussion of the re- cent papers that have been devoted to the chaotic beh

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Veloso, Rita Carvalho, Catarina Dias, Andrea Resende Souza, Joana Maia, Nuno M. M. Ramos, and João Ventura. Improving the optical properties of finishing coatings for façade systems. Department of the Built Environment, 2023. http://dx.doi.org/10.54337/aau541592743.

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The need to improve energy efficiency of the building stock has led to a continuous increase in the implementation of exterior thermal insulation systems, such as ETICS. Progressively, these systems are being applied with darker colours, increasing the concern for hygrothermal behaviour and durability. Despite the significant developed studies, very few reports regarding their optical properties are available. The optical and catalytic capacity turns nanomaterials into excellent candidates for use in finishing coatings with high solar reflectance with dark colours without affecting the aesthet

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Soloviev, Vladimir, Andrii Bielinskyi, and Viktoria Solovieva. Entropy Analysis of Crisis Phenomena for DJIA Index. [б. в.], 2019. http://dx.doi.org/10.31812/123456789/3179.

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The Dow Jones Industrial Average (DJIA) index for the 125-year-old (since 1896) history has experienced many crises of different nature and, reflecting the dynamics of the world stock market, is an ideal model object for the study of quantitative indicators and precursors of crisis phenomena. In this paper, the classification and periodization of crisis events for the DJIA index have been carried out; crashes and critical events have been highlighted. Based on the modern paradigm of the theory of complexity, a spectrum of entropy indicators and precursors of crisis phenomena have been proposed

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Nechaev, V., Володимир Миколайович Соловйов, and A. Nagibas. Complex economic systems structural organization modelling. Politecnico di Torino, 2006. http://dx.doi.org/10.31812/0564/1118.

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One of the well-known results of the theory of management is the fact, that multi-stage hierarchical organization of management is unstable. Hence, the ideas expressed in a number of works by Don Tapscott on advantages of network organization of businesses over vertically integrated ones is clear. While studying the basic tendencies of business organization in the conditions of globalization, computerization and internetization of the society and the results of the ﬁnancial activities of the well-known companies, the authors arrive at the conclusion, that such companies, as IBM, Boeing, Merced

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