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Relevant bibliographies by topics / Spectral shape

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Academic literature on the topic 'Spectral shape'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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Journal articles on the topic "Spectral shape"

1

Berg, Bruce G., and David M. Green. "Spectral shape discrimination of narrow‐band spectra." Journal of the Acoustical Society of America 89, no. 4B (1991): 1911. http://dx.doi.org/10.1121/1.2029476.

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Erduran, Emrah, and Conrad Lindholm. "A Critical Look at the Use of Design Spectrum Shape for Seismic Risk Assessment." Earthquake Spectra 28, no. 4 (2012): 1711–21. http://dx.doi.org/10.1193/1.4000086.

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The effects of using design spectrum shape over actual response spectra on earthquake damage estimates has been investigated. A series of numerical simulations were conducted to estimate the expected damage. The simulations were conducted with four different spectral shapes, two different ground-motion prediction equations (GMPEs) and three different soil classes. As a result of the numerical simulations, it was observed that the use of design spectrum shape leads to over- or underestimation of damage estimates relative to those obtained from the actual spectrum computed using GMPE. The damage

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3

Chudnovsky, A. A., E. Ben-Dor, and H. Saaroni. "Reflectance spectroscopy of indoor settled dust in Tel Aviv, Israel: comparison between the spring and the summer seasons." Advances in Geosciences 12 (July 4, 2007): 51–57. http://dx.doi.org/10.5194/adgeo-12-51-2007.

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Abstract. The influence of mineral and anthropogenic dust components on the VIS-NIR-SWIR spectral reflectance of artificial laboratory dust mixtures was evaluated and used in combination with Partial Least Squares (PLS) regression to construct a model that correlates the dust content with its reflectance. Small amounts of dust (0.018–0.33 mg/cm2) were collected using glass traps placed in different indoor environments in Tel Aviv, Israel during the spring and summer of 2005. The constructed model was applied to reflectance spectroscopy measurements derived from the field dust samples to assess

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Taylor, Steven R., and Farid U. Dowla. "Spectral yield estimation of NTS explosions." Bulletin of the Seismological Society of America 81, no. 4 (1991): 1292–308. http://dx.doi.org/10.1785/bssa0810041292.

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Abstract The yields of 299 NTS explosions have been estimated from Pn, Pg and Lg spectra (between 0.1 and 10 Hz) at four regional seismic stations. A spectral template matching technique is used where the spectra from an explosion of unknown yield are compared with the spectra of explosions of known yield. A matching function is defined that is a scaled inverse of the difference between the spectra from the known and unknown explosions. The yields from the seven closest matching explosions are then averaged to estimate the yield of the unknown event. The spectral matching technique appears to

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Sakata, A., S. Wada, and A. T. Tokunaga. "Chemical Composition of an Emanation from Comets: Identification of the 3 Micron Comet Feature." International Astronomical Union Colloquium 126 (1991): 241–44. http://dx.doi.org/10.1017/s0252921100066860.

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AbstractRecent high resolution observations of comets revealed a detailed spectral shape of the 3.4μfeature. We measured IR spectra of simple 14 hydrocarbon molecules and made ”synthesized comet spectrum”. Peak wavelength and spectral shape of the synthesized spectrum are well in agreement with the observed comet features.

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Mendelevich, L. V., and Yu A. Koksharov. "Analytical Formula for the Relation between the Experimental and Theoretical Parameters of the Tsallis Spectral Line." Радиотехника и электроника 68, no. 5 (2023): 424–31. http://dx.doi.org/10.31857/s0033849423050145.

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An exact analytical formula is obtained that relates the experimental and theoretical parameters of the spectral line described by the Tsallis function, which includes the Gaussian, Lorentzian, line shapes intermediate between them, and super-Lorentzian as special cases. The procedure for the numerical calculation of the theoretical parameters of the line shape is studied by the example of electron spin resonance spectra. The effect of complicating experimental factors, including the noise and the analog signal digitization discreteness, on the accuracy of determining the theoretical Tsallian

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Ardag, Dorukhan, and Donald T. Resio. "Inconsistent Spectral Evolution in Operational Wave Models due to Inaccurate Specification of Nonlinear Interactions." Journal of Physical Oceanography 49, no. 3 (2019): 705–22. http://dx.doi.org/10.1175/jpo-d-17-0162.1.

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AbstractThe introduction of third-generation (3G) models was based on the premise that wave spectra could evolve without prior shape restrictions only if the representation for nonlinear interactions contained as many degrees of freedom as the discretized spectrum being modeled. It is shown here that a different criterion is needed to accurately represent nonlinear spectral evolution within models, a more rigorous criterion such that the number of degrees of freedom in the nonlinear source term must be equal to the intrinsic number of degrees of freedom in the theoretical form of this source t

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Ivanov, Valentin D., Lodovico Coccato, Mark J. Neeser, et al. "MUSE library of stellar spectra." Astronomy & Astrophysics 629 (September 2019): A100. http://dx.doi.org/10.1051/0004-6361/201936178.

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Context. Empirical stellar spectral libraries have applications in both extragalactic and stellar studies, and they confer an advantage over theoretical libraries because they naturally include all relevant chemical species and physical processes. In recent years we have seen a stream of new sets of high-quality spectra, but increasing the spectral resolution and widening the wavelength coverage means resorting to multi-order echelle spectrographs. Assembling the spectra from many pieces results in lower fidelity of their shapes. Aims. We aim to offer the community a library of high-signal-to-

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Zhang, Yuling, and Yadong Wu. "Decomposition and Classification of Carbon Star Spectra." Academic Journal of Science and Technology 4, no. 3 (2023): 116–19. http://dx.doi.org/10.54097/ajst.v4i3.4909.

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Automatic classification of stellar spectra is an important research component of astronomical data processing and is the basis for studying stellar evolution and parameter measurements. As a rare kind of stellar spectra, carbon star spectra put forward more efficient and accurate requirements for classification methods. The traditional manual classification methods have the disadvantages of slow speed and low accuracy, which can no longer meet the practical needs of automatic classification of massive stellar spectra, especially low signal-to-noise ratio stellar spectra, and machine learning

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Hillenbrand, James, and Robert A. Houde. "Vowel recognition: Formants, spectral peaks, and spectral shape." Journal of the Acoustical Society of America 98, no. 5 (1995): 2949. http://dx.doi.org/10.1121/1.414088.

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Dissertations / Theses on the topic "Spectral shape"

1

Ribeiro, Eraldo. "Spectral methods for shape-from-texture." Thesis, University of York, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325653.

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Chowdhury, Subir. "Development of a spectral unmixing procedure using a genetic algorithm and spectral shape." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Geography, c2012, 2012. http://hdl.handle.net/10133/3345.

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Spectral unmixing produces spatial abundance maps of endmembers or ‘pure’ materials using sub-pixel scale decomposition. It is particularly well suited to extracting a greater portion of the rich information content in hyperspectral data in support of real-world issues such as mineral exploration, resource management, agriculture and food security, pollution detection, and climate change. However, illumination or shading effects, signature variability, and the noise are problematic. The Least Square (LS) based spectral unmixing technique such as Non-Negative Sum Less or Equal to One (NNSLO) de

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He, Shuiqing, and 何水清. "Spectral analysis of medial axis for shape description." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2015. http://hdl.handle.net/10722/212606.

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In this thesis, we make several significant achievements towards defining a medial axis based shape descriptor which is compact, yet discriminative. First, we propose a novel medial axis spectral shape descriptor called the medial axis spectrum for a 2D shape, which applies spectral analysis directly to the medial axis of a 2D shape. We extend the Laplace-Beltrami operator onto the medial axis of a 2D shape, and take the solution to an extended Laplacian eigenvalue problem defined on this axis as the medial axis spectrum. The medial axis spectrum of a 2D shape is certainly more efficient to

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Limberger, Frederico Artur. "Spectral signatures for non-rigid 3D shape retrieval." Thesis, University of York, 2017. http://etheses.whiterose.ac.uk/18036/.

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This thesis addresses problems associated with computing spectral shape signatures for non-rigid 3D object retrieval. More specifically, we use spectral shape analysis tools to describe the characteristics of different 3D object representations. This thesis tries to answer whether spectral shape analysis tools can enhance classical shape signatures to improve the performance of the non-rigid shape retrieval problem. Furthermore, it describes the stages of the framework for composing non-rigid shape signatures, built from the shape Laplacian. This thesis presents four methods to improve each pa

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De, Youngster Dela. "An Isometry-Invariant Spectral Approach for Macro-Molecular Docking." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/30226.

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Proteins and the formation of large protein complexes are essential parts of living organisms. Proteins are present in all aspects of life processes, performing a multitude of various functions ranging from being structural components of cells, to facilitating the passage of certain molecules between various regions of cells. The 'protein docking problem' refers to the computational method of predicting the appropriate matching pair of a protein (receptor) with respect to another protein (ligand), when attempting to bind to one another to form a stable complex. Research shows that matching th

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Hanson, C. G. "The spectral shape and variability of active galactic nuclei." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374747.

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Magnet, Robin. "Robust spectral methods for shape analysis and deformation assessment." Electronic Thesis or Diss., Institut polytechnique de Paris, 2024. http://www.theses.fr/2024IPPAX043.

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Le traitement et l’analyse automatiques des formes 3D est un domaine actif de la recherche moderne, avec des retombées dans de nombreux domaines.L'un des principaux défis de ce domaine réside dans la comparaison efficace des formes, par exemple pour détecter des anomalies dans les scanners d'organes, ce qui nécessite souvent d'établir des correspondances entre les surfaces.En particulier, le cadre des cartes fonctionnelles, basé sur l'analyse spectrale des formes, offre une approche flexible pour représenter et calculer ces correspondances, servant de base pour les analyses ultérieures.Cette t

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Seddon, Matthew. "The application of spectral geometry to 3D molecular shape comparison." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/20238/.

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Yu, Wang S. M. Massachusetts Institute of Technology. "Steklov geometry processing : an extrinsic approach to spectral shape analysis." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/118033.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 75-80).<br>We propose using the Dirichlet-to-Neumann operator as an extrinsic alternative to the Laplacian for spectral geometry processing and shape analysis. Intrinsic approaches, usually based on the Laplace-Beltrami operator, cannot capture the spatial embedding of a shape up to rigid motion, and many previous extrinsic methods lack theoretical justification. Instead, we consider the Stek

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Galasso, Fabio. "Shape-From-Texture : spectral distortion analysis and 3D reconstruction algorithms." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608661.

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Books on the topic "Spectral shape"

1

Center, Goddard Space Flight, ed. A far-wing line shape theory which satisfies the detailed balance principle. NASA Goddard Space Flight Center, 1995.

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2

Fahrig, Rebecca. Optimization of spectral shape for digital mammography. National Library of Canada = Bibliothèque nationale du Canada, 1993.

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3

Reuter, Martin, Christian Wachinger, and Hervé Lombaert, eds. Spectral and Shape Analysis in Medical Imaging. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-51237-2.

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4

H, Tipping R., and United States. National Aeronautics and Space Administration., eds. An improved quasistatic line-shape theory: The effect of molecular motion on the line wings. National Aeronautics and Space Administration, 1994.

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H, Tipping R., and United States. National Aeronautics and Space Administration., eds. Extension of the quasistatic far-wing line shape theory to multicomponent anisotropic potentials. National Aeronautics and Space Administration, 1994.

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6

Darling, Geoff H. Design and experimental demonstration of a semiconductor optical amplifier with enhanced spectral bandwidth and controllable spectral shape. National Library of Canada, 2003.

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7

International, Conference on Spectral Line Shapes (14th 1998 State College Pennsylvania). Spectral line shapes. American Institute of Physics, 1999.

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8

Serbian, Conference on Spectral Line Shapes in Astrophysics (6th 2007 Sremski Karlovci Serbia). Spectral line shapes in astrophysics: VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), Sremski Karlovci, Serbia, 11-15 June 2007. American Institute of Physics, 2007.

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Serbian, Conference on Spectral Line Shapes in Astrophysics (6th 2007 Sremski Karlovci Serbia). Spectral line shapes in astrophysics: VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), Sremski Karlovci, Serbia, 11-15 June 2007. American Institute of Physics, 2007.

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Serbian Conference on Spectral Line Shapes in Astrophysics (6th 2007 Sremski Karlovci, Serbia). Spectral line shapes in astrophysics: VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA), Sremski Karlovci, Serbia, 11-15 June 2007. Edited by Popović Luka Č, Dimitrijević Milan S, and Serbia Ministarstvo nauke. American Institute of Physics, 2007.

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Book chapters on the topic "Spectral shape"

1

Novotny, Antonio André, and Jan Sokołowski. "Compound Asymptotic Expansions for Spectral Problems." In Topological Derivatives in Shape Optimization. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35245-4_9.

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Mazzoleni, Dario. "Recent Existence Results for Spectral Problems." In New Trends in Shape Optimization. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17563-8_8.

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3

Thorne, Anne P. "Width and shape of spectral lines." In Spectrophysics. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1193-2_10.

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4

Sajjanhar, Atul, Guojun Lu, and Dengsheng Zhang. "Novel Spectral Descriptor for Object Shape." In Advances in Multimedia Information Processing - PCM 2010. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15702-8_6.

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Hislop, P. D., and I. M. Sigal. "Theory of Quantum Resonances II: The Shape Resonance Model." In Introduction to Spectral Theory. Springer New York, 1996. http://dx.doi.org/10.1007/978-1-4612-0741-2_20.

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Buoso, Davide, and Pier Domenico Lamberti. "On a Classical Spectral Optimization Problem in Linear Elasticity." In New Trends in Shape Optimization. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17563-8_3.

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Bernardis, Elena, Ender Konukoglu, Yangming Ou, Dimitris N. Metaxas, Benoit Desjardins, and Kilian M. Pohl. "Temporal Shape Analysis via the Spectral Signature." In Medical Image Computing and Computer-Assisted Intervention – MICCAI 2012. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33418-4_7.

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Ribeiro, Eraldo, and Edwin R. Hancock. "Adapting Spectral Scale for Shape from Texture." In Computer Vision - ECCV 2000. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-45054-8_28.

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Ustin, Susan L., and Stéphane Jacquemoud. "How the Optical Properties of Leaves Modify the Absorption and Scattering of Energy and Enhance Leaf Functionality." In Remote Sensing of Plant Biodiversity. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-33157-3_14.

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AbstractLeaves absorb, scatter, and transmit sunlight at all wavelengths across the visible, near-infrared, and shortwave-infrared spectrum. The optical properties of a leaf are determined by its biochemical and biophysical characteristics, including its 3-D cellular organization. The absorption and scattering properties of leaves together create the shape of their reflectance spectra. Terrestrial seed plant species share similar physiological and metabolic processes for fluxes of gases (CO2, O2, H2O), nutrients, and energy, while differences are primarily consequences of how these properties

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Velichkov, Bozhidar. "Spectral optimization problems in ℝ d." In Existence and Regularity Results for Some Shape Optimization Problems. Scuola Normale Superiore, 2015. http://dx.doi.org/10.1007/978-88-7642-527-1_6.

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Conference papers on the topic "Spectral shape"

1

Deka, Pallabjyoti, Saumik Bhattacharya, Debashis Sen, and Prabir Kumar Biswas. "3D Shape Completion using Multi-resolution Spectral Encoding." In 2025 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV). IEEE, 2025. https://doi.org/10.1109/wacv61041.2025.00016.

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Cai, Yijia, and Zhixin Liu. "Spacing Tunable Frequency Comb with a Maintained Spectral Shape." In CLEO: Science and Innovations. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_si.2024.sf3o.1.

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We study the spacing tunability of an EO-comb-seeded parametric frequency comb generator with 90 nm bandwidth and 8-dB spectral flatness, demonstrating space tuning over 25 and 32 GHz with a maintained spectral profile.

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3

Cao, Dongliang, Marvin Eisenberger, Nafie El Amrani, Daniel Cremers, and Florian Bernard. "Spectral Meets Spatial: Harmonising 3D Shape Matching and Interpolation." In 2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2024. http://dx.doi.org/10.1109/cvpr52733.2024.00351.

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Büscher, S., Th Wrubel, I. Ahmad, and H. J. Kunze. "Line shape measurements employing independently diagnosed pinch plasmas." In SPECTRAL LINE SHAPES. ASCE, 1999. http://dx.doi.org/10.1063/1.58348.

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Lewis, John Courtenay, and Clifford Stamp. "Egelstaff time and the Birnbaum-Cohen line shape." In SPECTRAL LINE SHAPES. ASCE, 1999. http://dx.doi.org/10.1063/1.58390.

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Rachman, A. "Line shape theory in atomic resonant multiphoton ionization." In Spectral line shapes. AIP, 1990. http://dx.doi.org/10.1063/1.39935.

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Malnoult, Ph, and H. Nguyen. "Line shape and shift in high density plasmas." In Spectral line shapes. AIP, 1990. http://dx.doi.org/10.1063/1.39955.

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Sato, Y., T. Kurosawa, K. Ohmori, et al. "Far-wing line-shape study of the collision-induced." In SPECTRAL LINE SHAPES. ASCE, 1999. http://dx.doi.org/10.1063/1.58376.

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Looney, J. Patrick, Roger D. van Zee, and Joseph T. Hodges. "Single-mode cavity ring-down spectroscopy for line shape measurements." In SPECTRAL LINE SHAPES. ASCE, 1999. http://dx.doi.org/10.1063/1.58318.

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Bielski, A., S. Brym, R. Ciuryl̸o, and J. Szudy. "Influence of excitation processes on the shape of argon lines." In SPECTRAL LINE SHAPES. ASCE, 1999. http://dx.doi.org/10.1063/1.58377.

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Reports on the topic "Spectral shape"

1

Calisti, A., F. Khelfaoui, R. Stamm, L. Sylvander, and B. Talin. Spectral line shape code for multielectron emitters. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/7243926.

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2

Wilson, R. D. Spectrum shape-analysis techniques applied to the Hanford Tank Farms spectral gamma logs. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/501524.

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3

Vranic-Sowers, Svetlana, and Shihab A. Shamma. Representation of Spectral Profiles in the Auditory System. 2. Detection of Spectral Peak Shape Changes. Defense Technical Information Center, 1994. http://dx.doi.org/10.21236/ada453133.

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4

Letcher, Theodore, Julie Parno, Taylor Hodgdon, Zoe Courville, and Jason Olivier. Applications of the CRREL-Geometric Optics Snow Radiative Transfer (GOSRT) model : incorporating diffraction and simulating detection of buried targets. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49728.

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Radiative transfer through a snow surface within the visible and near infrared (NIR) spectra is complicated by the shape, size, and configuration of the snow grains that comprise the snow surface. Ray-tracing and photon-tracking techniques combined with 3D renderings of snow resolved at the microscale have shown promise as a means to directly simulate radiative transfer through snow with no restrictions on the snow grain configuration. This report describes and evaluates the US Army Cold Regions Research and Engineering Laboratory (CRREL) Geometric Optics Snow Radiative Transfer (GOSRT) model.

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Vranic-Sowers, S., and S. A. Shamma. Representation of Spectral Profiles in the Auditory System. Part 1. Detection of Spectral Peak Shapes and Ripple Phases. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada454922.

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Bane, Karl LF. Obtaining the Bunch Shape in a Linac from Beam Spectrum Measurements. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/10202.

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Slaughter, D. LINE: a code which simulates spectral line shapes for fusion reaction products generated by various speed distributions. Office of Scientific and Technical Information (OSTI), 1985. http://dx.doi.org/10.2172/5936666.

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Sanchez, Rene G., Travis J. Grove, and Morgan C. White. IER 153: measure the fision neutron spectrum shape using threshold activation detectors. CEDT phase-1 preliminary design. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1130498.

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9

Hammad, Ali, and Mohamed Moustafa. Seismic Behavior of Special Concentric Braced Frames under Short- and Long-Duration Ground Motions. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2019. http://dx.doi.org/10.55461/zont9308.

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Over the past decade, several long-duration subduction earthquakes took place in different locations around the world, e.g., Chile in 2010, Japan in 2011, China in 2008, and Indonesia in 2004. Recent research has revealed that long-duration, large-magnitude earthquakes may occur along the Cascadia subduction zone of the Pacific Northwest Coast of the U.S. The duration of an earthquake often affects the response of structures. Current seismic design specifications mostly use response spectra to identify the hazard and do not consider duration effects. Thus, a comprehensive understanding of the

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10

Sánchez- Sesma, Francisco José, Hiroshi Kawase, and Joseline Mena Negrete. Working Paper PUEAA No. 5. The collaboration between Mexico and Japan in earthquake engineering and seismology. Universidad Nacional Autónoma de México, Programa Universitario de Estudios sobre Asia y África, 2022. http://dx.doi.org/10.22201/pueaa.003r.2022.

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Despite their remoteness from each other, Japan and Mexico share a critical characteristic: the seismic hazard. In the past, both nations have been hit by great earthquakes that have caused serious human and material losses. Although the prediction of earthquakes is not yet possible, the development of early warning systems and their constant innovation is a priority, especially the studies of the horizontal-to-vertical spectral relationship of microseisms, which can help the study and understanding of earthquakes’ nature, as well as their impact on infrastructure. It is for mutual benefit to

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