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Статті в журналах з теми "Method of imaginary sources"
Sun, Chao, and Yuechan Liu. "Spherical Reverse Beamforming for Sound Source Localization Based on the Inverse Method." Sensors 19, no. 11 (June 9, 2019): 2618. http://dx.doi.org/10.3390/s19112618.
Повний текст джерелаShahbazi Avarvand, Forooz, Arne Ewald, and Guido Nolte. "Localizing True Brain Interactions from EEG and MEG Data with Subspace Methods and Modified Beamformers." Computational and Mathematical Methods in Medicine 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/402341.
Повний текст джерелаPetrov, Yu V., S. I. Bakaras, and S. A. Yukhno. "DETERMINATION OF RADIO SOURCES LOCATION BY THE METHOD OF "IMAGINARY BASE" WHEN USING THE LINEAR MODEL." Issues of radio electronics, no. 7 (July 20, 2018): 124–30. http://dx.doi.org/10.21778/2218-5453-2018-7-124-130.
Повний текст джерелаPereira da Silva, Valéria Cristina. "Venise des deux côtés du miroir : Imaginaire et identité entre l’amour et la mort." Caietele Echinox 40 (June 28, 2021): 269–83. http://dx.doi.org/10.24193/cechinox.2021.40.21.
Повний текст джерелаKleschev, A. "Sound diffraction on an elastic spheroidal shell." Transactions of the Krylov State Research Centre 3, no. 397 (August 6, 2021): 97–114. http://dx.doi.org/10.24937/2542-2324-2021-3-397-97-114.
Повний текст джерелаKleshchev, Alexander. "Diffraction of Pulsed Sound Signals by Elastic Bodies of Analytical and Non-analytical Forms, Put in Plane Waveguide." Zeitschrift für Naturforschung A 70, no. 6 (June 1, 2015): 419–27. http://dx.doi.org/10.1515/zna-2015-0062.
Повний текст джерелаWeaver, R. L., W. Sachse, and Kwang Yul Kim. "Transient Elastic Waves in a Transversely Isotropic Plate." Journal of Applied Mechanics 63, no. 2 (June 1, 1996): 337–46. http://dx.doi.org/10.1115/1.2788870.
Повний текст джерелаRejer, Izabela. "EEG Feature Selection for BCI Based on Motor Imaginary Task." Foundations of Computing and Decision Sciences 37, no. 4 (December 1, 2012): 283–92. http://dx.doi.org/10.2478/v10209-011-0016-7.
Повний текст джерелаSong, Zhong‐Min, and Paul R. Williamson. "Frequency‐domain acoustic‐wave modeling and inversion of crosshole data: Part I—2.5-D modeling method." GEOPHYSICS 60, no. 3 (May 1995): 784–95. http://dx.doi.org/10.1190/1.1443817.
Повний текст джерелаChen, Hanbo, Bin Xiong, Yang Yang, Yu Han, and Ziyu Cheng. "3D marine controlled-source electromagnetic modeling using an edge-based finite element method with a block Krylov iterative solver." Open Geosciences 14, no. 1 (January 1, 2022): 341–53. http://dx.doi.org/10.1515/geo-2022-0366.
Повний текст джерелаДисертації з теми "Method of imaginary sources"
Дудко, Андрій Володимирович. "Модуль генерації гідроакустичного сигналу в плоско-паралельному хвилеводі". Bachelor's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/28408.
Повний текст джерелаThe purpose of the thesis is to create a program product for generating a hydroacoustic signal in a plane-parallel waveguide beam method. The objects of research are the methods and algorithms of signal simulation. An overview of the existing software applications for simulation of signals and the problems of modeling of hydroacoustic signals was performed, the program software of generation hydroacoustic signals, implemented by the imaginary sources for calculating the field of pressure in a plane-parallel waveguide, was implemented, this method belongs to beam models. The created program product can be used as part of the system for modeling hydroacoustic objects and for scientific research. Total volume of work: 67 pages, 19 illustrations, 17 bibliographic references and 3 attachments.
Целью дипломной работы является создание программного продукта для генерации гидроакустических сигналов в плоско-параллельном волноводе лучевым методом. Объектом исследования являются способы и алгоритмы моделирования сигналов. Было выполнено обзор существующих программных приложений для моделирования сигналов и ознакомиться с проблемами моделирования гидроакустических сигналов, разработано программный продукт для генерации гидроакустических сигналов, который реализован методом мнимых источников для расчета поля давления в плоско-параллельном волноводе, данный метод относится к лучевым моделям. Созданная программа может быть использована как часть системы для моделирования гидроакустических объектов и для научных исследований.
Velde, Antoine van de. "A multidimensional boundary sources method." Doctoral thesis, Universite Libre de Bruxelles, 1994. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/212674.
Повний текст джерелаFalk, Sofia. "May the algorithm be with you : En mixed method studie om Instagrams personliga algoritmer." Thesis, Stockholms universitet, Institutionen för mediestudier, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-156939.
Повний текст джерелаKoligliatis, Thanos. "A scattering method for bone density measurements with polychromatic sources." Thesis, University College London (University of London), 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283964.
Повний текст джерелаDrira, Achraf. "Geoacoustic inversion : improvement and extension of the sources image method." Thesis, Brest, 2015. http://www.theses.fr/2015BRES0089/document.
Повний текст джерелаThis thesis aims at analyzing the signals emitted from a spherical omnidirectional source reflected by a stratified sedimentary environment and recorded by a hydrophone array in order to characterize quantitatively the marine sediments at medium frequencies, i.e. between 1 and 10 kHz. The research developed in this manuscript provides a methodology to facilitate the estimation of medium geoacoustic parameters with the image source method, and some appropriate technical solutions to improve this recently developed inversion method. The image source method is based on a physical modeling of the wave reflection emitted from a source by a stratified medium under the Born approximation. As result, the reflection of the wave on the layered medium can be represented by a set of image sources, symmetrical to the real source with respect to the interfaces, whose spatial positions are related to the sound speeds and the thicknesses of the layers. The study consists of two parts : signal processing and inversion of geoacoustic parameters. The first part of the work is focused on the development of the image source method. The original method was based on migration and semblance maps of the recorded signals to determine the input parameters of the inversion algorithm which are travel times and arrival angles. To avoid this step, we propose to determine the travel times with the Teager-Kaiser energy operator (TKEO) and the arrival angles are estimate with a triangulation approach. The inversion model is then integrated, taking into account the possible deformation of the antenna. This part concludes with a new approach that combines TKEO and time-frequency representations in order to have a good estimation of the travel times in the case of noisy signals. For the modeling and geoacoustic inversion part, we propose first an accurate description of the forward model by introducing the concept of virtual image sources. This idea provides a deeper understanding of the developed approach. Then, we propose an extension of the image sources method to the estimation of supplementary geoacoustic parameters : the density, the absorption coefficient, and the shear wave sound speed. This extension is based on the results of the original inversion (estimation of the number of layers, their thicknesses, and the pressure sound speeds) and on the use of the amplitudes of the reflected signals. These improvements and extents of the image source method are illustrated by their applications on both synthetic and real signals, the latter coming from tank and at-sea measurements. The obtained results are very satisfactory, from a computational point of view as well as for the quality of the provided estimations
Phung, Huong Thi Hoai. "Imaging of seismic and hum sources by time reversal method." Paris 7, 2010. http://www.theses.fr/2010PA077169.
Повний текст джерелаStudies of earthquake sources is one of purpose of many scientists. Today, with the development of FDSN (Federation of Digital Seismometers Networks), the seismograms are continuously recorded. They provide information on seismic source and on propagation (related to earth structure) effect. We can easily locate an earthquake by applying the classical methods on seismograms. However, to have a more accurate result on seismic source (seismic moment tensor, source time function), we need to solve an inverse problem. Time-reversal (hereafter referred to as TR) method has been successfully applied for acoustic waves in many fields such as imaging, underwater acoustics, non destructive testing, and for seismic waves in seismic earthquake location, and glacial earthquake imaging. In this thesis , we present the application of TR method to synthetic seismograms due to virtual earthquakes. We show the focusing of January 12th 2010 Haiti earthquake in space and time and the reconstructed focal mechanism by applying the TR method to complete and one-bit seismograms. The level of oscillation of seismic "hum" is well observed. However, the spatial and temporal origin of "hum" is still uncertain, and the idea is to use the advantage focusing source of the TR method to locate it. We assume that this source may be located in space, not in time. We show that hum source is not local but might be distributed in a very large region
Camargo, Hugo Elias. "A Frequency Domain Beamforming Method to Locate Moving Sound Sources." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/27765.
Повний текст джерелаPh. D.
Meegahawatte, Danushka Hansitha. "A design method for specifying power sources for hybrid power systems." Thesis, University of Birmingham, 2010. http://etheses.bham.ac.uk//id/eprint/1215/.
Повний текст джерелаBécot, François-Xavier. "Tyre noise over impedance surfaces : efficient application of the equivalent sources method." Lyon, INSA, 2003. http://theses.insa-lyon.fr/publication/2003ISAL0036/these.pdf.
Повний текст джерелаThe aim of the present work is to understand and to control the mechanisms of the tyre radiation, by designing efficient prediction tools for the propagation of the tyre / road noise over arbitrary impedance surfaces. Tyre radiation is modelled using the Equivalent Sources method. A model for the ground effects induced from a given impedance plane is developed for sources having arbitrary directivity. Moreover, the exact solution to the two-dimensional problem is derived. Based on the two previous prediction tools, an iterative model is developed for the tyre radiation over an arbitrary impedance surface. Using this model, a parametrical study examines the tendencies of tyre radiation over absorbing surfaces. The present work allows to study the possibilities of traffic noise reduction, particularly by the use of so-called silent road surfaces
Rocha, Ryan D. "A Frequency-Domain Method for Active Acoustic Cancellation of Known Audio Sources." DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1240.
Повний текст джерелаКниги з теми "Method of imaginary sources"
Mackerle, Jaroslav. Finite element methods: A guide to information sources. Amsterdam: Elsevier, 1991.
Знайти повний текст джерелаFausett, David. The strange surprizing sources of Robinson Crusoe. Amsterdam: Rodopi, 1994.
Знайти повний текст джерелаAchaemenid History Workshop (1985 London, England). Method and theory: Proceedings of the London 1985 Achaemenid History Workshop. Leiden: Nederlands Instituut voor het Nabije Oosten, 1988.
Знайти повний текст джерелаIllumination, International Commission on. Method of measuring and specifying colour rendering properties of light sources. Austria: Commission internationale de l'éclairage, CIE Central Bureau, 1995.
Знайти повний текст джерелаMeunier, Franck. Sources of uncertainty in the chromotropic acid method for gaseous formaldehyde determination. Manchester: UMIST, 1996.
Знайти повний текст джерелаScragg, Richard J. New Zealand's legal system: The principles of legal method. South Melbourne, Vic: Oxford University Press, 2005.
Знайти повний текст джерелаKim, Chang-Jin. Sources of monetary growth uncertainty: An encompassing approach based on Monte Carlo method. Toronto, Ont: Dept. of Economics, York University, 1989.
Знайти повний текст джерелаGrimley, K. W. Emissions test method 29: Determination of metals emissions from stationary sources (1994 proposal). Research Triangle Park, NC: U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, 1994.
Знайти повний текст джерелаWerner-Klaus, Walter. Fragen zum Untergang: Fiktiver Disput über die Geschichte der DDR und einige Dokumente. Berlin: Dietz, 1991.
Знайти повний текст джерелаDavid, Day. The world of Tolkien: Mythological sources of The lord of the rings. New York: Gramercy Books, 2003.
Знайти повний текст джерелаЧастини книг з теми "Method of imaginary sources"
Sisto, Walter Nunzio. "Bulgakov’s method and sources." In The Mother of God in the Theology of Sergius Bulgakov, 27–52. New York : Routledge, 2018.: Routledge, 2017. http://dx.doi.org/10.4324/9781315555454-3.
Повний текст джерелаDeuff, Dominique, and Mathilde Cosquer. "Sources for this Work." In User-Centered Agile Method, 21–39. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118574829.ch3.
Повний текст джерелаMcLeod, Ian. "Finding, Citing and Using the Sources of Law." In Legal Method, 88–103. London: Macmillan Education UK, 1993. http://dx.doi.org/10.1007/978-1-349-13153-2_8.
Повний текст джерелаMcLeod, Ian. "Finding, Citing and Using the Sources of Law." In Legal Method, 106–22. London: Macmillan Education UK, 1996. http://dx.doi.org/10.1007/978-1-349-14289-7_8.
Повний текст джерелаMcLeod, Ian. "Finding, Citing and Using the Sources of Law." In Legal Method, 112–28. London: Macmillan Education UK, 1999. http://dx.doi.org/10.1007/978-1-349-15075-5_9.
Повний текст джерелаWu, Sean F. "Equivalent Sources Using HELS." In The Helmholtz Equation Least Squares Method, 145–62. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-1640-5_8.
Повний текст джерелаArtyukh, Vadim S. "Investigations Of AGNs by the Interplanetary Scintillation Method." In Sources and Scintillations, 185–88. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-1001-6_35.
Повний текст джерелаLeibniz, Gottfried Wilhelm. "On The Method of Distinguishing Real From Imaginary Phenomena." In Philosophical Papers and Letters, 363–66. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-010-1426-7_40.
Повний текст джерелаTeräsranta, H., E. Valtaoja, and M. Lainela. "A Simple Method to Analyze Radio Frequency Outbursts of Quasars." In Extragalactic Radio Sources, 101–2. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0295-4_41.
Повний текст джерелаKeenan, John D., and Pao-Hsing Chang. "A Statistical Method to Determine Pollutant Sources." In Informatik für den Umweltschutz, 557–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76081-5_60.
Повний текст джерелаТези доповідей конференцій з теми "Method of imaginary sources"
Kang, Zheng, Xia Ji, Xueping Zhang, and Steven Y. Liang. "Theoretical Modeling of Cutting Temperature Distribution by Considering the Material Thermal Properties as Functions of Temperature." In ASME 2011 International Manufacturing Science and Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/msec2011-50216.
Повний текст джерелаSun, Xiaofeng, Xiaohua Liu, and Dakun Sun. "A Theoretical Model for Flow Instability Inception in Transonic Fan/Compressors." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94698.
Повний текст джерелаLiu, Xiaohua, Yanpei Zhou, Xiaofeng Sun, and Dakun Sun. "Calculation of Flow Instability Inception in High Speed Axial Compressors." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26436.
Повний текст джерелаD'Elia, Massimo. "Lattice QCD with purely imaginary sources at zero and non-zero temperature." In The 32nd International Symposium on Lattice Field Theory. Trieste, Italy: Sissa Medialab, 2015. http://dx.doi.org/10.22323/1.214.0020.
Повний текст джерелаHawkes, Grant, John Richardson, Dirk Gombert, and John Morrison. "Heat Transfer Model for an RF Cold Crucible Induction Heated Melter." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47397.
Повний текст джерелаChen, Jerry C. "Efficient Eigenmode Calculations Using Imaginary-distance Beam Propagation Method." In Integrated Photonics Research. Washington, D.C.: OSA, 1994. http://dx.doi.org/10.1364/ipr.1994.thf7.
Повний текст джерелаYasuda, Hiroaki, Iwao Hosako, Norihiko Sekine, Yasuharu Kohyama, Masatomo Nakazato, and Shingo Ohtsuka. "Higher-order eigenmode analysis by imaginary-distance propagation method." In 2006 European Microwave Conference. IEEE, 2006. http://dx.doi.org/10.1109/eumc.2006.281096.
Повний текст джерелаCanau, António. "Sources and references in the utopian work of Bartolomeu Cid dos Santos." In The 2nd International Multidisciplinary Congress Phi 2016 – Utopia(S) – Worlds and Frontiers of the Imaginary. CRC Press, 2016. http://dx.doi.org/10.1201/9781315265322-41.
Повний текст джерелаManjunath, B. S., and D. S. Ramakrishna. "Body Force Method for Flamant Problem Using Complex Potentials." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95303.
Повний текст джерелаMontgomery, David E., Brian E. Lindholm, and Robert L. West. "Monte Carlo Verification of Multivariate Delta Method Variance Estimation of Harmonic Dynamic Response Coefficients." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0342.
Повний текст джерелаЗвіти організацій з теми "Method of imaginary sources"
Krasnykh, Anatoly. 3D Method for the Design of Multi Sheet Beam RF Sources. Office of Scientific and Technical Information (OSTI), August 2002. http://dx.doi.org/10.2172/800007.
Повний текст джерелаAuthor, Not Given. Novel Low-Cost Method of Manufacturing Nb3Sn Multifilamentary Superconductors with Multiple-Tin-Sources. Office of Scientific and Technical Information (OSTI), May 2012. http://dx.doi.org/10.2172/1040713.
Повний текст джерелаFermi Research Alliance, LLC. A Novel Low-Cost Method of Manufacturing Nb3Sn Superconductors with Multiple-Tin-Tube Sources. Office of Scientific and Technical Information (OSTI), May 2020. http://dx.doi.org/10.2172/1617221.
Повний текст джерелаRhoades, W. A. The TORSED method for construction of TORT boundary sources from external DORT flux files. Office of Scientific and Technical Information (OSTI), August 1993. http://dx.doi.org/10.2172/10179872.
Повний текст джерелаDeJongh, Fritz. A method to search for mu --> e gamma decays with high intensity muon sources. Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/15020215.
Повний текст джерелаJohnson, William C., and Isaac R. Shokair. Including shielding effects in application of the TPCA method for detection of embedded radiation sources. Office of Scientific and Technical Information (OSTI), December 2011. http://dx.doi.org/10.2172/1048496.
Повний текст джерелаCIE. CIE S 025-SP1/E:2019 Test Method for OLED Luminaires and OLED Light Sources. International Commission on Illumination (CIE), 2019. http://dx.doi.org/10.25039/s025-sp1.2019.
Повний текст джерелаBeere, Harvey E. Evaluation of Terahertz Quantum Cascade Laser Sources as a Potential Portable Non-Destructive Evaluation Method for the Inspection of Aircraft Structures. Fort Belvoir, VA: Defense Technical Information Center, May 2010. http://dx.doi.org/10.21236/ada525648.
Повний текст джерелаTarko, Andrew P., Qiming Guo, and Raul Pineda-Mendez. Using Emerging and Extraordinary Data Sources to Improve Traffic Safety. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317283.
Повний текст джерелаZhu, Haoan, Wenbin Li, Yitong Lin, and Hao Wu. The efficacy of kinesio taping in the treatment of ankle sprain: Systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, December 2021. http://dx.doi.org/10.37766/inplasy2021.12.0059.
Повний текст джерела