Academic literature on the topic 'Oscillatory properties'

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Journal articles on the topic "Oscillatory properties"

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Wang, DeLiang L. "On Connectedness: A Solution Based on Oscillatory Correlation." Neural Computation 12, no. 1 (2000): 131–39. http://dx.doi.org/10.1162/089976600300015916.

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A long-standing problem in neural computation has been the problem of connectedness, first identified by Minsky and Papert (1969). This problem served as the cornerstone for them to establish analytically that perceptrons are fundamentally limited in computing geometrical (topological) properties. A solution to this problem is offered by a different class of neural networks: oscillator networks. To solve the problem, the representation of oscillatory correlation is employed, whereby one pattern is represented as a synchronized block of oscillators and different patterns are represented by dist
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Wang, DeLiang, and David Terman. "Image Segmentation Based on Oscillatory Correlation." Neural Computation 9, no. 4 (1997): 805–36. http://dx.doi.org/10.1162/neco.1997.9.4.805.

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We study image segmentation on the basis of locally excitatory, globally inhibitory oscillator networks (LEGION), whereby the phases of oscillators encode the binding of pixels. We introduce a lateral potential for each oscillator so that only oscillators with strong connections from their neighborhood can develop high potentials. Based on the concept of the lateral potential, a solution to remove noisy regions in an image is proposed for LEGION, so that it suppresses the oscillators corresponding to noisy regions but without affecting those corresponding to major regions. We show that the res
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Kabana, Sonia, and Peter Minkowski. "Counting of oscillatory modes of valence quarks forming q–q̄ mesons." International Journal of Modern Physics A 31, no. 07 (2016): 1650023. http://dx.doi.org/10.1142/s0217751x16500238.

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We present the unique properties of oscillatory modes of valence quarks [Formula: see text] and antiquarks in mesons and the mass spectrum of associated mesons. The mesonic multiplets are shown to emerge from the picture of oscillating quarks and antiquarks in three space dimensions in the center of mass system of the mesons. All oscillatory modes are fully relativistic with a finite number of oscillators and this is forming the unique harmonic oscillator with these properties. The density of states as a function of masssquare is calculated. Since it is known that there are missing states of u
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Adhikari, Sondipon. "Qualitative dynamic characteristics of a non-viscously damped oscillator." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 461, no. 2059 (2005): 2269–88. http://dx.doi.org/10.1098/rspa.2005.1485.

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This paper considers the linear dynamics of a single-degree-of-freedom non-viscously damped oscillator. It is assumed that the non-viscous damping force depends on the history of velocity via a convolution integral over an exponentially decaying kernel function. Classical qualitative dynamic properties known for viscously damped oscillators have been generalized to such non-viscously damped oscillators. The following questions of fundamental interest have been addressed: (i) under what conditions can a non-viscously damped oscillator sustain oscillatory motions? (ii) how does the natural frequ
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Boujo, E., and N. Noiray. "Robust identification of harmonic oscillator parameters using the adjoint Fokker–Planck equation." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 473, no. 2200 (2017): 20160894. http://dx.doi.org/10.1098/rspa.2016.0894.

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We present a model-based output-only method for identifying from time series the parameters governing the dynamics of stochastically forced oscillators. In this context, suitable models of the oscillator’s damping and stiffness properties are postulated, guided by physical understanding of the oscillatory phenomena. The temporal dynamics and the probability density function of the oscillation amplitude are described by a Langevin equation and its associated Fokker–Planck equation, respectively. One method consists in fitting the postulated analytical drift and diffusion coefficients with their
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Kabana, Sonia, and Peter Minkowski. "Counting of oscillatory modes of valence quarks forming qqq baryons for three quark flavors u, d, s." International Journal of Modern Physics A 32, no. 04 (2017): 1750004. http://dx.doi.org/10.1142/s0217751x1750004x.

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We present the unique properties of oscillatory modes of [Formula: see text] light quarks — [Formula: see text], [Formula: see text], [Formula: see text] — using the [Formula: see text] broken symmetry classification. [Formula: see text] stands for the space rotation group generated by the sum of the three individual angular momenta of quarks in their c.m. system. The baryonic multiplets are shown to emerge from the picture of oscillating quarks in three space dimensions in the center-of-mass system of the baryons. All oscillatory modes are fully relativistic with a finite number of oscillator
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Levy, Chagai, Monika Pinchas, and Yosef Pinhasi. "A New Approach for the Characterization of Nonstationary Oscillators Using the Wigner-Ville Distribution." Mathematical Problems in Engineering 2018 (July 11, 2018): 1–14. http://dx.doi.org/10.1155/2018/4942938.

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Oscillators and clocks are affected by physical mechanisms causing amplitude fluctuations, phase noise, and frequency instabilities. The physical properties of the elements composing the oscillator as well as external environmental conditions play a role in the characteristics of the oscillatory signal produced by the device. Such instabilities demonstrate frequency drifts and modulation and spectrum broadening and are observed to be nonstationary processes in nature. Most of tools which are being used to measure and characterize oscillator stability are based on signal processing techniques,
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Allenspach, R., and W. Weber. "Oscillatory magnetic properties." IBM Journal of Research and Development 42, no. 1 (1998): 7–24. http://dx.doi.org/10.1147/rd.421.0007.

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Levy, Chagai, Monika Pinchas, and Yosef Pinhasi. "Characterization of Nonstationary Phase Noise Using the Wigner–Ville Distribution." Mathematical Problems in Engineering 2020 (April 20, 2020): 1–7. http://dx.doi.org/10.1155/2020/1685762.

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Oscillators and atomic clocks, as well as lasers and masers, are affected by physical mechanisms causing amplitude fluctuations, phase noise, and frequency instabilities. The physical properties of the elements composing the oscillator as well as external environmental conditions play a role in the coherence of the oscillatory signal produced by the device. Such instabilities demonstrate frequency drifts, modulation, and spectrum broadening and are observed to be nonstationary processes in nature. Most of the tools which are being used to measure and characterize oscillator stability are based
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CORINTO, FERNANDO, MICHELE BONNIN, and MARCO GILLI. "WEAKLY CONNECTED OSCILLATORY NETWORK MODELS FOR ASSOCIATIVE AND DYNAMIC MEMORIES." International Journal of Bifurcation and Chaos 17, no. 12 (2007): 4365–79. http://dx.doi.org/10.1142/s0218127407020014.

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Several studies in neuroscience have shown that nonlinear oscillatory networks represent bio-inspired models for information and image processing. Recent studies on the thalamo-cortical system have shown that weakly connected oscillatory networks (WCONs) exhibit associative properties and can be exploited for dynamic pattern recognition. In this manuscript we focus on WCONs, composed of oscillators that adhere to a Lur'e like description and are organized in such a way that they communicate one another, through a common medium. The main dynamic features are investigated by exploiting the phase
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Dissertations / Theses on the topic "Oscillatory properties"

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Romanov, Vasily Vladimirovich. "MATERIAL PROPERTIES OF AORTA FROM BIAXIAL OSCILLATORY TESTS." Master's thesis, Temple University Libraries, 2010. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/117228.

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Mechanical Engineering<br>M.S.E.<br>This project addresses characterization of the material properties of aortic tissue. Understanding of these properties is important for a variety of studies including tissue engineering, effects of aging and diseases, stents engineering, and traumatic aorta rupture. The goal of the presented research was to characterize the stress-strain relationship of aorta in dynamic oscillatory biaxial loading. A setup was developed that supplied pressure loading from the physiological to sub-failure levels (between 7 and 76 kPa) to porcine aorta at frequencies ranging f
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Norton, Edward. "Steady State and Dynamic Oscillatory Shear Properties of Carbon Black Filled Elastomers." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1553332886931084.

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Vanderploeg, Eric James. "Mechanotransduction in Engineered Cartilaginous Tissues: In Vitro Oscillatory Tensile Loading." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-05192006-110158/.

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Thesis (Ph. D.)--Mechanical Engineering, Georgia Institute of Technology, 2007.<br>Radhakrishna, Harish, Committee Member ; LaPlaca, Michelle, Committee Member ; Nerem, Robert, Committee Member ; Garcia, Andres, Committee Member ; Levenston, Marc, Committee Chair.
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Contreras, Diego. "Oscillatory properties of cortical and thalamic neurons and the generation of synchronized rhythmicity in the corticothalamic network." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq25228.pdf.

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Chen, Ding. "Spatiotemporal Properties of Coupled Nonlinear Oscillators." Thesis, University of North Texas, 1996. https://digital.library.unt.edu/ark:/67531/metadc278564/.

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Spatiotemporal properties of classical coupled nonlinear oscillators are investigated in this thesis. Chapter 1 gives an introduction to nonlinear lattices and to the concept of breathers, that are spatially localized and temporally periodic excitation in nonlinear lattices. The concept of anti-continuous limit that provides the basic methodology in probing spatiotemporal breather properties is discussed. In Chapter 2, the general approach for finding exact breather solutions from the anti-continuous limit is examined, and the rotating wave approximation(RWA) is applied to probe the spatial st
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Gazes, Seth Brian. "Computer controlled device to independently control flow waveform parameters during organ culture and biomechanical testing of mouse carotid arteries." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31812.

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Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Rudy Gleason; Committee Member: Raymond Vito; Committee Member: W. Robert Taylor. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Kogan, Oleg Boris Cross Michael Clifford Cross Michael Clifford. "Stochastic and collective properties of nonlinear oscillators /." Diss., Pasadena, Calif. : California Institute of Technology, 2009. http://resolver.caltech.edu/CaltechETD:etd-06012009-145134.

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Damineli, Daniel Santa Cruz. "Synchronization properties of multi-oscillator circadian systems." Doctoral thesis, Universidade Nova de Lisboa. Instituto de Tecnologia Química e Biológica, 2014. http://hdl.handle.net/10362/13561.

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Dissertation presented to obtain the Ph.D degree in Computational Biology<br>Circadian oscillators are usually regarded as time-keeping mechanisms that can synchronize to environmental cycles (zeitgebers) and coordinate the timing of virtually all aspects of organismal function. Circadian pacemakers would be the main time-keepers that synchronize to light/dark cycles and convey temporal information to peripheral oscillators. However, the idea of circadian systems as being simple clocks is challenged by the coexistence, within the same organism, of multiple circadian oscillators with div
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Littlejohn, Samuel David. "Electrical properties of graphite nanoparticles in silicone : flexible oscillators and electromechanical sensing." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.600642.

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This thesis reports the discovery of a wide negative di↵erential resistance (NDR) region in a graphite-silicone composite that was utilized to create a strain-tuned flexible oscillator. Encoding the strain into frequency mimics the behavior of mechanoreceptor neurons in the skin and demonstrates a flexible and electronically active material suitable for state of the art bio-electronic applications. The NDR was investigated over a range of composite filling fractions and temperatures; alongside theoretical modelling to calculate the tunneling current through a graphite-silicone barrier. This le
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Contreras, Carmen Rosa. "On some physical aspects of the group properties of point transformations of harmonic oscillators." Scholarly Commons, 1991. https://scholarlycommons.pacific.edu/uop_etds/2220.

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The purpose of our work is to study the physical aspects of the application of the Lie group analysis to simple harmonic oscillators and related systems which can or cannot be canonical ones. The mathematical part of the problem has been studied by many authors. Quite recently L. Hubbard, C.Wulfman and H. Rabitz and C. Wulfman and H.Rabitz have developed a method for a group theoretical analysis applicable to a more general class of linear systems of Ordinary Differential Equations (ODE).
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Books on the topic "Oscillatory properties"

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McGinness, Ann M. Evaluation of shear and elongational flow regimes on the oscillatory rheological properties of a model of chocolate. University of Birmingham, 1996.

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1935-, Jacklet Jon W., ed. Neuronal and cellular oscillators. Marcel Dekker, 1989.

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Montgomery, Erwin B. Oscillator Basics. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780190259600.003.0016.

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This chapter uses metaphors to help programmers picture the basic concepts of oscillators. At the least, DBS can be considered as oscillatory stimulation of the nervous system and increasingly, it is likely that the nervous system operates on the bases of neuronal and neural oscillators. Thus, a fundamental understanding of oscillators, particularly their features, is important. The defining feature of oscillatory activity is the recurrence or repetition of a phenomenon, such as the repetitive flashing of a light at a railroad crossing. This chapter uses the metaphor of a racecar circling on a
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Khol'kin, Aleksandr M., and Ognjen Milatovic. Spectral Analysis of Differential Operators: Interplay Between Spectral and Oscillatory Properties. World Scientific Publishing Co Pte Ltd, 2005.

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Kholkin, Aleksandr M. Spectral Analysis of Differential Operators: Interplay Between Spectral and Oscillatory Properties. World Scientific Publishing Co Pte Ltd, 2005.

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(Translator), Ognjen Milatovic, and Vladimir A. Marchenko (Foreword), eds. Spectral Analysis of Differential Operators: Interplay Between Spectral and Oscillatory Properties (World Scientific Monograph Series in Mathematics, Vol. 7). World Scientific Publishing Company, 2005.

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Selverston, Allen. Rhythms and oscillations. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199674923.003.0021.

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The study of identifiable neurons, a common feature of invertebrate nervous systems, has made it possible to construct a detailed cell-to-cell connectivity map using electrophysiological methods that can inspire the design of biomimetic systems. This chapter describes how the analysis of the neural circuitry in the lobster stomatogastric ganglion (STG) has provided some general principles underlying oscillatory and rhythmic behavior in all animals. The rhythmic and oscillatory patterns produced by the two STG central pattern generating (CPG) circuits are a result of two cooperative mechanisms,
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Bartusek, M. Asymptotic properties of oscillatory solutions of differential equations of the n-TH order (Folia facultatis scientiarium naturalium Universitatis Masarykiana Brunensis/Mathematica). Masarykova Univerzita, 1992.

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Mann, Peter. The Harmonic Oscillator. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198822370.003.0004.

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This chapter discusses the harmonic oscillator, which is a model ubiquitous to all branches of physics. The harmonic oscillator is a system with well-known solutions and has been fully investigated since it was first developed by Robert Hooke in the seventeenth century. These factors ensure that the harmonic oscillator is as relevant to a swinging pendulum as it is to a quantum field. Due to the importance of this model, the chapter investigates its dynamical properties, including the superposition principle in solutions, and construct a probability density function in a single dimension. The
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Montgomery, Erwin B. Discrete Neural Oscillators. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780190259600.003.0017.

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The therapeutic mechanisms of action of DBS likely involve neural and neuronal oscillators. “Neuronal oscillators” describes periodic fluctuations of electrical potentials across the neuronal membrane, particularly in the soma, which is reflected in an action-potential-initiating segment. “Neural oscillators” describes closed loop (feedback) multi-neuronal polysynaptic circuits, on account of the propagations of action potentials through the circuit. Neural oscillators are the focus of this chapter. The features, properties and dyanmics introduced in Chapter 16 – Basic Oscillators are extended
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Book chapters on the topic "Oscillatory properties"

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Dresselhaus, Mildred, Gene Dresselhaus, Stephen B. Cronin, and Antonio Gomes Souza Filho. "Magneto-Oscillatory and Other Effects Associated with Landau Levels." In Solid State Properties. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-55922-2_13.

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Bhowmik, Debanjan. "Spintronic Oscillators, Their Synchronization Properties, and Applications in Oscillatory Neural Networks (ONNs)." In Spintronics-Based Neuromorphic Computing. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4445-9_7.

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Oreiro, R., F. Pérez Hernández, M. Manteiga, et al. "Hot Subdwarfs: Magnetic, Oscillatory and Other Physical Properties." In Asteroseismology Across the HR Diagram. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-0799-2_36.

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Kovacic, Ivana. "Free Generalized van der Pol Oscillators: Overview of the Properties of Oscillatory Responses." In Advanced Structured Materials. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53006-8_9.

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Koplatadze, R. "Oscillatory Properties of Solutions of Generalized Emden–Fowler Equations." In Differential and Difference Equations with Applications. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7333-6_4.

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Wang, Dajun, Qishen Wang, and Beichang (Bert) He. "Oscillatory Matrices and Kernels as Well as Properties of Eigenpairs." In Qualitative Theory in Structural Mechanics. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-1376-9_2.

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Minguet-Parramona, Carla, Yizhou Wang, Adrian Hills, et al. "Emergent Oscillatory Properties in Modelling Ion Transport of Guard Cells." In Rhythms in Plants. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20517-5_12.

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Dame, L., and M. Martic. "Oscillatory Properties of Meso-Scale Intensity Structures at Chromospheric Level." In Advances in Helio- and Asteroseismology. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-4009-3_87.

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Romanov, V. V., K. Darvish, and S. Assari. "Characterization of Material Properties of Aorta from Oscillatory Pressure Tests." In IFMBE Proceedings. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14998-6_97.

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Schmal, Christoph, Gregor Mönke, and Adrián E. Granada. "Analysis of Complex Circadian Time Series Data Using Wavelets." In Methods in Molecular Biology. Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2249-0_3.

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AbstractExperiments that compare rhythmic properties across different genetic alterations and entrainment conditions underlie some of the most important breakthroughs in circadian biology. A robust estimation of the rhythmic properties of the circadian signals goes hand in hand with these discoveries. Widely applied traditional signal analysis methods such as fitting cosine functions or Fourier transformations rely on the assumption that oscillation periods do not change over time. However, novel high-resolution recording techniques have shown that, most commonly, circadian signals exhibit tim
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Conference papers on the topic "Oscillatory properties"

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Grueneis, A. "Oscillatory behavior of Raman modes in SWCNT." In ELECTRONIC PROPERTIES OF MOLECULAR NANOSTRUCTURES: XV International Winterschool/Euroconference. AIP, 2001. http://dx.doi.org/10.1063/1.1426878.

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Romanov, Vasily, Mobin Rastgar Agah, and Kurosh Darvish. "Viscoelastic Properties of Aorta From Oscillatory Pressure Tests." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53771.

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Aorta is the largest and most important artery in the body due to its role in conveying all of the oxygenated blood to smaller branches and ultimately to all of the organs in the body. Knowing its mechanical characteristics and material properties is a basic stage in almost all studies on aorta e.g. evaluating the effect of aging and disease, design and manufacturing of compatible stents and traumatic aortic rupture. Since blood vessels are non-homogeneous, non-linear viscoelastic materials and can experience large deformations, a unique formulation that can describe their mechanical behavior
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Li, Weihua, Hejun Du, G. Chen, and Song H. Yeo. "Viscoelastic properties of MR fluids under oscillatory shear." In SPIE's 8th Annual International Symposium on Smart Structures and Materials, edited by Daniel J. Inman. SPIE, 2001. http://dx.doi.org/10.1117/12.432732.

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Bilston, Lynne E. "Brain Tissue Properties at Moderate Strain Rates." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42938.

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Bovine brain tissue has been tested in shear under oscillatory, relaxation and constant strain rate test protocols. Compression data has been obtained in confined compression. The data from these tests suggests that brain tissue is a highly nonlinear viscoelastic material, with a linear viscoelastic limit of approximately 0.1% strain. The storage and loss modulus are strain dependent above this loading level, requiring careful interpretation of oscillatory data. Brain tissue is also highly strain rate dependent, not strain-time separable, and exhibits a low long term elastic modulus. Modelling
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Nagarajan, Arvind, Marijn Siemons, Lajos P. Stoevelaar, et al. "Setup of a confocal nanoscope in reflection using a super-oscillatory lens." In Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVI, edited by André-Jean Attias and Balaji Panchapakesan. SPIE, 2019. http://dx.doi.org/10.1117/12.2528717.

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Kee, Daniel De, and Ning Sun. "Modeling Flow Properties in Biofluids." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1938.

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Abstract Biofluids such as blood, as well as other structured materials, exhibit rather complex rheological behavior. In this paper, starting from a first order kinetic model introduced by Soong et al., we developed a constitutive equation and studied its applicability to model biofluids. In particular, we studied the cases of steady shear flow, hysteresis, yield stress and small amplitude oscillatory flow. Model predictions were successfully compared with experimental data on complex materials such as blood and a penicillin suspension.
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Tan, Kristy, Shaokoon Cheng, and Lynne E. Bilston. "Rheological Properties of Anisotropic Tissues at Large Amplitude Oscillatory Shear." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80069.

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The mechanical properties of soft biological tissues have been widely investigated over the past five decades [1–5]. Reported measurements of soft biological tissues such as the brain, spinal cord, liver and muscle vary by orders of magnitude, depending on the sample preparation, anisotropy and loading regime. Knowing the accurate mechanical properties of biological tissues is important for many applications, for example car crash testing and simulations require accurate information on how different parts of the body deform due to a combination of loads. Deformation of tissues around prostheti
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Ohishi, J., H. Kurosawa, Y. Shimizu, et al. "Three Dimensional Color Images of Oscillatory Properties of Respiratory System." In American Thoracic Society 2009 International Conference, May 15-20, 2009 • San Diego, California. American Thoracic Society, 2009. http://dx.doi.org/10.1164/ajrccm-conference.2009.179.1_meetingabstracts.a6074.

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Chen, Jingliang, Shangmao Hu, and Xueling Yao. "Periodic oscillatory damping pulse current conditioning of gas discharge tube." In 2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials (ICPADM). IEEE, 2009. http://dx.doi.org/10.1109/icpadm.2009.5252359.

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Michiels, Wim. "Mechanisms behind the stability properties of oscillatory systems with large delays." In 2007 46th IEEE Conference on Decision and Control. IEEE, 2007. http://dx.doi.org/10.1109/cdc.2007.4434576.

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Reports on the topic "Oscillatory properties"

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Dryer, Stuart E. Electrophysiological Properties of Intrinsic Circadian Oscillators in the Chick Pineal Gland. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada329751.

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