Relevant bibliographies by topics / Rayleigh`s phase function

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

Academic literature on the topic 'Rayleigh`s phase function'

Author: Grafiati
Published: 18 May 2024

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Journal articles on the topic "Rayleigh`s phase function"

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Koroleva, Tat’iana. "Rayleigh wave velocity maps beneath the Caucasus from the Caucasus seismic network (CNET)." Russian Journal of Seismology 2, no. 3 (2020): 70–77. http://dx.doi.org/10.35540/2686-7907.2020.3.06.

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Ambient noise surface wave tomography is a widely used method for determining the velocity structure of the upper layers of the Earth. It is based on the fact that the cross-correlation function (CCF) of noise at two stations, averaged over a long time interval, determines the Green's function of the surface wave. This allows us to estimate the group and phase velocities of surface waves on the paths between stations. The method was applied to the records of the vertical components of 67 seismic stations of the Caucasian network CNET network, which were obtained during 2018. The cross-correlat
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Forbriger, Thomas, Lingli Gao, Peter Malischewsky, Matthias Ohrnberger, and Yudi Pan. "A single Rayleigh mode may exist with multiple values of phase-velocity at one frequency." Geophysical Journal International 222, no. 1 (2020): 582–94. http://dx.doi.org/10.1093/gji/ggaa123.

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SUMMARY Other than commonly assumed in seismology, the phase velocity of Rayleigh waves is not necessarily a single-valued function of frequency. In fact, a single Rayleigh mode can exist with three different values of phase velocity at one frequency. We demonstrate this for the first higher mode on a realistic shallow seismic structure of a homogeneous layer of unconsolidated sediments on top of a half-space of solid rock (LOH). In the case of LOH a significant contrast to the half-space is required to produce the phenomenon. In a simpler structure of a homogeneous layer with fixed (rigid) bo
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Burns, P., and E. Meiburg. "Sediment-laden fresh water above salt water: nonlinear simulations." Journal of Fluid Mechanics 762 (November 27, 2014): 156–95. http://dx.doi.org/10.1017/jfm.2014.645.

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AbstractWhen a layer of particle-laden fresh water is placed above clear, saline water, both double-diffusive and Rayleigh–Taylor instabilities may arise. The present investigation extends the linear stability analysis of Burns & Meiburg (J. Fluid Mech., vol. 691, 2012, pp. 279–314) into the nonlinear regime, by means of two- and three-dimensional direct numerical simulations (DNS). The initial instability growth in the DNS is seen to be consistent with the dominant modes predicted by the linear stability analysis. The subsequent vigorous growth of individual fingers gives rise to a second
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Xia, Jianghai, Richard D. Miller, and Choon B. Park. "Estimation of near‐surface shear‐wave velocity by inversion of Rayleigh waves." GEOPHYSICS 64, no. 3 (1999): 691–700. http://dx.doi.org/10.1190/1.1444578.

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The shear‐wave (S-wave) velocity of near‐surface materials (soil, rocks, pavement) and its effect on seismic‐wave propagation are of fundamental interest in many groundwater, engineering, and environmental studies. Rayleigh‐wave phase velocity of a layered‐earth model is a function of frequency and four groups of earth properties: P-wave velocity, S-wave velocity, density, and thickness of layers. Analysis of the Jacobian matrix provides a measure of dispersion‐curve sensitivity to earth properties. S-wave velocities are the dominant influence on a dispersion curve in a high‐frequency range (&
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Zhang, Zhen-Dong, and Tariq Alkhalifah. "Wave-equation Rayleigh-wave dispersion inversion using fundamental and higher modes." GEOPHYSICS 84, no. 4 (2019): EN57—EN65. http://dx.doi.org/10.1190/geo2018-0506.1.

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Recorded surface waves often provide reasonable estimates of the S-wave velocity in the near surface. However, existing algorithms are mainly based on the 1D layered-model assumption and require picking the dispersion curves either automatically or manually. We have developed a wave-equation-based inversion algorithm that inverts for S-wave velocities using fundamental and higher mode Rayleigh waves without picking an explicit dispersion curve. Our method aims to maximize the similarity of the phase velocity spectrum ([Formula: see text]) of the observed and predicted surface waves with all Ra
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Hsu, Kai, and Cengiz Esmersoy. "Parametric estimation of phase and group slownesses from sonic logging waveforms." GEOPHYSICS 57, no. 8 (1992): 978–85. http://dx.doi.org/10.1190/1.1443323.

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Sonic logging waveforms consist of a mixture of nondispersive waves, such as the P‐ and S‐headwaves, and dispersive waves, such as the Stoneley and pseudo‐Rayleigh waves in monopole logging and the flexural wave in dipole logging. Conventionally, slowness dispersion curves of various waves are estimated at each frequency, independent of data at other frequencies. This approach does not account for the fact that slowness dispersion functions in sonic logging are continuous and, in most cases, smooth functions of frequency. We describe a parametric slowness estimation method that uses this prope
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Mokhtar, T. A., R. B. Herrmann, and D. R. Russell. "Seismic velocity and Q model for the shallow structure of the Arabian shield from short‐period Rayleigh waves." GEOPHYSICS 53, no. 11 (1988): 1379–87. http://dx.doi.org/10.1190/1.1442417.

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The shear velocity and [Formula: see text] structure for the upper 1 km in different tectonic regions of the Arabian shield have been investigated using high‐frequency vertical component records of Rayleigh waves (1–20 Hz), which were recorded at source‐to‐receiver separations 55–80 km during a deep seismic refraction survey. Group and phase velocities of the fundamental and first higher modes were inverted for the shear‐wave velocity structure; Rayleigh‐wave attenuation coefficients were determined from the decay of the amplitude spectrum of the fundamental mode and used to invert for the [Fo
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Hobiger, Manuel, Paolo Bergamo, Walter Imperatori, et al. "Site Characterization of Swiss Strong-Motion Stations: The Benefit of Advanced Processing Algorithms." Bulletin of the Seismological Society of America 111, no. 4 (2021): 1713–39. http://dx.doi.org/10.1785/0120200316.

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ABSTRACT Since 2009, 91 new strong-motion stations were built for the renewal of the Swiss Strong Motion Network. Another nine stations will be installed until 2022. For each new station, an extensive site characterization study is performed to model the 1D seismic-velocity profile and, for some sites, the liquefaction potential. Geophysical (passive and active surface-wave methods) and geotechnical cone penetration test (CPT) with additional pore-pressure measurement (CPTu) and seismic CPT (SCPT) methods are used. Analyzing the passive and active recordings with a variety of established and a
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MIURA, Hiroyuki, Atsuko MATSUO, Tatsuo KANNO, Michiko SHIGEFUJI, and Tetsuo ABIRU. "Estimation of S-Wave Velocity Structure Model by Joint Inversion of Site Amplification, Receiver Function and Phase Velocity of Rayleigh Wave." Journal of JAEE 17, no. 5 (2017): 5_78–5_95. http://dx.doi.org/10.5610/jaee.17.5_78.

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Asten, Michael W., William J. Stephenson, and Stephen Hartzell. "Spatially averaged coherencies (krSPAC) and Rayleigh effective-mode modeling of microtremor data from asymmetric arrays." GEOPHYSICS 84, no. 3 (2019): EN47—EN56. http://dx.doi.org/10.1190/geo2018-0524.1.

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The spatial autocorrelation and spatially averaged coherency (SPAC) methods of processing Rayleigh-wave microtremor noise observations for estimation of S-wave velocity profiles traditionally require a circular or triangular array symmetry to allow spatial (azimuthal) averaging of interstation coherencies over a constant station separation. Common processing methods allow for station separations to vary by typically [Formula: see text] in the azimuthal averaging before degradation of the SPAC spectrum is excessive. Transformation of a set of frequency-coherency spectra to wavenumber-coherency
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Dissertations / Theses on the topic "Rayleigh`s phase function"

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Can, Geylani. "S-phase checkpoint activity and function throughout the cell cycle." Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/268506.

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DNA damage or replication stress during S-phase can activate the S-phase checkpoint which executes a variety of responses, such as the inhibition of origin firing and replication fork stabilisation. Deregulation of the S-phase checkpoint leads to genomic instability, which has been implicated in diseases such as cancer. In this thesis, I aimed to address whether the S-phase checkpoint is regulated outside of S-phase, and how the S-phase checkpoint targets its substrates in budding yeast. Although this checkpoint has thus far been associated exclusively with S-phase, it remains unknown whether
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Balkew, Teshome Mogessie. "The SIR Model When S(t) is a Multi-Exponential Function." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etd/1747.

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The SIR can be expressed either as a system of nonlinear ordinary differential equations or as a nonlinear Volterra integral equation. In general, neither of these can be solved in closed form. In this thesis, it is shown that if we assume S(t) is a finite multi-exponential, i.e. function of the form S(t) = a+ ∑nk=1 rke-σkt or a logistic function which is an infinite-multi-exponential, i.e. function of the form S(t) = c + a/b+ewt, then we can have closed form solution. Also we will formulate a method to determine R0 the basic reproductive rate of an infection.
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Petojević, Tatjana [Verfasser]. "Activation of the Mcm2-7 helicase function by ancillary replication factors GINS and Cdc45 : The switch to S phase / Tatjana Petojevic." Berlin : Freie Universität Berlin, 2013. http://d-nb.info/1038211506/34.

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Lotfalizadeh, Behnood. "Modeling and Simulation of a Three-phase AC-DC Converter where the Impedances of the Feeding Lines are considered." Thesis, Linnéuniversitetet, Institutionen för fysik och elektroteknik (IFE), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-32328.

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This thesis comprises modeling and simulation of an AC-DC converter (Battery charger). An AC-DC converter may cause a high frequency distortion in the electrical power network or augment the existing distortion caused by other devices connected to the network. The goal is to design a controller for suppressing this noise at a reasonable level. We hope the thesis can be considered as a step forward to solve the original problem. One needs an accurate model of the AC-DC converter, to design such a controller. This study tries to clarify the effects of theline inductance on the performance of the
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Borsali, Redouane. "Etude theorique du comportement dynamique des melanges ternaires de polymere en solution : etude experimentale par spectroscopie rayleigh quasi-elastique." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13138.

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L'etude d'un melange ternaire de polymeres en solution semidiluee presente deux modes de relaxation. Mise en evidence par diffusion de lumiere quasi-elastique de deux processus de diffusion: le premier, lent, correspond au mouvement relatif des deux polymeres; le second, rapide, correspond au mouvement cooperatif du reseau physique forme par les deux polymeres
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Šalda, Zbyněk. "Ukázky regulací s prediktivním řízením." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232182.

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This thesis deals with model predictive control principally Based Predictive Control (MPC). The first part describes the principle of predictive control, cost function, the choice of a constraints in regulation and the choice of weights. In the next section is an analysis system: a system with non-minimal phase (control water turbine), oscillating systems (trolley frame control) and system with a time-delay . In all of these systems is performed classical feedback control using PID control and concurrently regulation with the MPC. MPC is selected as the solution fy Mathworks Model Predictive C
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Štaffa, Jiří. "Ztráty jednofázového asynchronního motoru s trvale připojeným kondenzátorem." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221263.

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This project deals with increasing efficiency of one phase induction motor with permanent split capacitor. We can whole thesis divide into two parts, the first one is basic and the second is interested in analysis and measurement. First part handles with construction of single phase induction motor, explanation of function principle, start and run of motor. Calculating of efficiency including type of losses, which reduce efficiency. Second part concerns analysis losses including moment load characteristic, motor measurement while rotor is locked, with no load operation, measuring mechanical an
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KELNER, SYLVIE. "Etude de la propagation des ondes sismiques dans les milieux fissurés : atténuation, anisotropie et migration de fluide induite par un séisme." Université Joseph Fourier (Grenoble), 1997. http://www.theses.fr/1997GRE10284.

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La diffraction des ondes sismiques par des milieux fissures en deux dimensions (2d) est etudiee par une methode d'equations integrales aux frontieres ou les fonctions de green sont calculees par la methode des nombres d'ondes discrets (dwbiem : discrete wavenumber boundary integral equations method). Cette methode semi-analytique est particulierement bien adaptee aux problemes de la propagation des ondes sismiques dans un milieu homogene contenant des fissures vides ou remplies de fluide. Toutes les conversions d'ondes sont modelisees en appliquant la dwbiem. En premier lieu, nous avons etudie
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Books on the topic "Rayleigh`s phase function"

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Fung, Amy D. A novel function of the S phase regulator Dfp1. National Library of Canada, 2002.

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Chance, Kelly, and Randall V. Martin. Atmospheric Scattering. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199662104.003.0007.

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This chapter describes elastic scattering events, where the wavelength of the scattered light is unchanged from that of the incident light and conservative scattering, scattering without absorption, sometimes closely approximated in clouds. The scattering regime, scattering versus wavelengths and scatterer size are introduced. Polarization in scattering is described by the Stokes vector and the polarization ellipse. Molecular (Rayleigh) scattering is presented and its atmospherically-important inelastic component, Raman scattering (the Ring effect) quantified. Mie scattering for spherical part
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Book chapters on the topic "Rayleigh`s phase function"

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Adler, Stephen L. "Stationary State Methods and Phase Methods." In Ouaternionic Quantum Mechanics and Ouanturn Fields. Oxford University PressNew York, NY, 1995. http://dx.doi.org/10.1093/oso/9780195066432.003.0005.

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Abstract In this chapter we discuss a number of methods for handling stationary state problems in quaternionic quantum mechanics and then consider more generally methods in which the phase of the wave function plays a primary role. We first describe exact methods for reducing the anti Hermitian quaternionic Hamiltonian H to a complex Hermitian Hamiltonian H for an equivalent complex quantum mechanics problem. We then develop stationary state perturbation theory, and as an application compute the leading approximation to the Hamiltonian phase operator I H. We also give a quaternionic analog of the Rayleigh-Ritz variational principle. We proceed next to an extended discussion of the geometric phase in quaternionic quantum mechanics, in both the adiabatic and the nonadiabatic cases. Finally, we give the quaternionic generalization of the eikonal or WKB approximation.
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Negi, Seema, S. B. Singh, and Kamlesh Bisht. "Fuzzy Reliability of Weighted-((f / (r, s)), k)/ (m, n) G System." In Advances in Systems Analysis, Software Engineering, and High Performance Computing. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7564-2.ch002.

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In this chapter, the authors study a weighted-((f / (r, s)), k)/ (m, n): G system. The system consists of mn components arranged in a matrix form and the system works if all the sub matrices of order (r, s), the total weight of the working components is greater than f and the total weight of the working components in the system is at least k. This chapter deals with the evaluation of fuzzy reliability and fuzzy mean time to failure of the considered system with the application of fuzzy universal generating function and fuzzy Rayleigh distribution. In this study, the authors formed some prepositions to understand the behaviour of the considered system with respect to different varying parameters and also present an illustrative example to understand them.
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Reed, Steven I. "Start and the Gl-S phase transition in budding yeast." In Cell Cycle Control. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780199634118.003.0003.

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Abstract Mechanisms to ensure that division occurs in a coordinated and regulated fashion are prerequisite for fitness and ultimately for viability of all cells. This means that the division process must be responsive to a host of internal and external signals that mediate, among other things, integration of division with the extracellular milieu, coordination of division with cellular growth and the occurrence of cell cycle events in the proper order. In the budding yeast, Saccharomyces cerevisiae,both the regulation of division by external signals and the coordination of growth and division occur in the Gl interval of the cell cycle (1). Operationally, there are two types of signal that severely restrain division in Gl in this organism: nutritional limitations (2–13) and the action of mating hormones (4, 14-22). Although the regulatory intents of these signals are quite disparate, each causes a cell cycle arrest characterized by completion of the ongoing cell cycle and arrest in the subsequent Gl interval (1). Additionally, changes in the cellular growth rate are coordinated with the division process to ensure a relatively constant cell size by altering specifically the length of the Gl interval: slow growth is accommodated by extending the length of Gl while rapid growth shortens Gl (5, 23–38). These observations led to the hypothesis of a universal Gl control mechanism in yeast (1). In its simplest formulation, this hypothesis states that all signals governing passage through Gl and entry in S phase do so by regulating the completion of an essential Gl function or event designated START; completion of START commits a cell to S phase and division; delay of completion of START delays entry into S phase; failure to complete START prevents initiation of S phase and imposes alternative fates upon cells.
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Berber, Stevan. "Transforms of Deterministic Continuous-Time Signals." In Discrete Communication Systems. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198860792.003.0012.

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Chapter 12 presents a detailed analysis of continuous-time signals and systems in the frequency domain, including the theory of Fourier series and Fourier transforms, and key examples relevant for the analysis and synthesis of signals processed in the digital transceiver blocks of a communication system. The amplitude, magnitude, phase, and power spectra are defined and calculated for typical signals. In particular, the Fourier transform of periodic signals is presented, due to its importance in communication systems theory and practice. Using a unique notation that distinguishes energy and power signals, the correlation, power, and energy spectral density functions are inter-related by proving the Wiener–Khintchine theorem. A comprehensive analysis of a linear-time-invariant system, using the concepts of impulse response, system correlation function, and power spectral density, both for power signals and energy signals, is presented. In addition, Parseval’s theorem and the Rayleigh theorem are proven.
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P. Dzyuba, Vladimir, and Roman Romashko. "Green’s Function Method for Electromagnetic and Acoustic Fields in Arbitrarily Inhomogeneous Media." In Perturbation Theory [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94852.

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An analytical method based on the Green\'s function for describing the electromagnetic field, scalar-vector and phase characteristics of the acoustic field in a stationary isotropic and arbitrarily inhomogeneous medium is proposed. The method uses, in the case of an electromagnetic field, the wave equation proposed by the author for the electric vector of the electromagnetic field, which is valid for dielectric and magnetic inhomogeneous media with conductivity. In the case of an acoustic field, the author uses the wave equation proposed by the author for the particle velocity vector and the well-known equation for acoustic pressure in an inhomogeneous stationary medium. The approach used allows one to reduce the problem of solving differential wave equations in an arbitrarily inhomogeneous medium to the problem of taking an integral.
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Lee, Christine U., and James F. Glockner. "Case 3.26." In Mayo Clinic Body MRI Case Review, edited by Christine U. Lee and James F. Glockner. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199915705.003.0096.

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52-year-old woman with abdominal discomfort and abnormal results on liver function tests Axial fat-suppressed FSE T2-weighted image (Figure 3.26.1) and diffusion-weighted image (b=600 s/mm<sup>2</sup>) (Figure 3.26.2) reveal a large mass with increased signal intensity partially surrounding the right hepatic vein and inferior vena cava. Axial arterial, portal venous, and equilibrium phase postgadolinium 3D SPGR images (...
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Jacobs, Jonathan B., and Louis F. Dell’osso. "Extension of the eXpanded Nystagmus Acuity Function to Vertical and Multiplanar Data." In Advances in Understanding Mechanisms and Treatment of Infantile Forms of Nystagmus. Oxford University PressNew York, NY, 2008. http://dx.doi.org/10.1093/oso/9780195342185.003.0018.

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Abstract The original eXpanded Nystagmus Acuity Function (NAFX),which was based on the Nystagmus Acuity Function (NAF), is a mathematically derived relationship that relates visual acuity to the attempts at foveation that occur within nystagmus waveforms, based on the duration and cycle-to-cycle stability of these foveation periods. In the original function, the foveation window was defined as the times at which the target was within ±0.5° of the fovea and not moving faster than ±4.0 deg/s with respect to it. However, there are many patients who could not meet these criteria, so their nystagmus could not be analyzed by the NAF, prompting the development of the NAFX, which allows for larger foveation windows (up to ±6° by ±10 deg/s) by varying i, the foveation duration constant. The collection of , for all combinations of position and velocity limits is called the “tau surface,” and is shown in Figure 18.1A. While the shape does, in general, appear to be regular, there are obvious irregularities in the surface, most notably along the lower position values (left side of Fig. 18.1A). This was a consequence of some of the data that were used to generate the original surface: the “pseudopendular with foveating saccades” (PPfs) waveform has two saccades per cycle, and as the position limit was increased, the slow phase following the braking saccade was included in the calculation, inadvertently increasing the measured foveation time.
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Foiani, Marco, Giordano Liberi, Simonetta Piatti, and Paolo Plevani. "Saccharomyces cerevisiae as a model system to study DNA replication." In Eukaryotic DNA Replication. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780199636815.003.0008.

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Abstract The budding yeast Saccharomyces cerevisiae represents a powerful tool to study DNA replication and the cell cycle regulatory pathways controlling entry into, and progression through S phase. In fact, the availability of the complete sequence of the S. cerevisiae genome, the identification of several DNA replication genes, together with the possibility of combining molecular genetic tools with classical techniques of genetics, biochemistry, and cell biology, make this system particularly useful to improve our knowledge of the DNA replication process at the molecular level. Moreover, by considering that the structure and function of most of the replication proteins and the regulatory circuits connecting DNA replication to other cell cycle events have been highly conserved during evolution, the information obtained using the S. cerevisiae or the S. pombe systems can be generally extended to other eukaryotic cells.
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Goody, R. M., and Y. L. Yung. "Radiative Transfer in a Scattering Atmosphere." In Atmospheric Radiation. Oxford University Press, 1989. http://dx.doi.org/10.1093/oso/9780195051346.003.0010.

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The source function for scattering, (2.32), is more complicated than a thermal source function on two accounts: it is not a function of local conditions alone, but involves conditions throughout the atmosphere, through the local radiation field, and the phase function, Pij(s, d), may be an extremely complex function of the directions, s and d, and the states of polarization, i and j. The general solution, (2.87), is still valid, but it is now an integral equation, involving the intensity both on the left-hand side and under the integral on the right-hand side. Successive approximations, starting with the first-order scattering term [third term on the right-hand side of (2.116)], are an obvious approach, and would lead to a solution, but there are more efficient and more accurate ways to solve the problem. Many methods are available because their fundamental theory has proved to be mathematically interesting and because there are important applications in neutron diffusion theory and astrophysics. These motivations are extraneous to atmospheric science, but the availability of the methodology has led to its adoption and extension to atmospheric problems. Many methods are available because their fundamental theory has proved to be mathematically interesting and because there are important applications in neutron diffusion theory and astrophysics. These motivations are extraneous to atmospheric science, but the availability of the methodology has led to its adoption and extension to atmospheric problems. Solutions to scattering problems can be elaborate and mathematically elegant; they can also be numerically onerous but, with access to modern computers, “exact” solutions are feasible, given the input parameters τv, av (=sv/ev), and Pi j. For monochromatic calculations with simple phase functions, numerical solutions present few difficulties. Nevertheless, the combination of unfamiliar formalism with inaccessible and undocumented algorithms can be daunting for those with only a peripheral interest in radiation calculations. It is, therefore, relevant to note that available data are imprecise and virtually never require the accuracy available from exact methods. Easily visualized two-stream approximations, combined with similarity relations to handle complex phase functions (see §§8.4.4 and 8.5.6), are often more than adequate, and some angular information can be added, if required, from the use of Eddington’s second approximation (§ 2.4.5).
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Rauch, Helmut, and Samuel A. Werner. "Solid state physics applications." In Neutron Interferometry. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198500278.003.0009.

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Abstract Most neutron interferometric experiments carried out until now have dealt with fundamental physics applications, but it was known from the beginning that the interferometric method could also open new horizons for solid state physics research. Samples with density or magnetic fluctuations or decomposition effects cause inhomogeneous phase shifts, which cause a measurable loss of contrast of the interference pattern. Such experiments give complementary information to small-angle, critical, and depolarization experiments (Rauch and Seidl 1987). Phase tomography with neutrons can be realized, which permits inspection of materials without absorbing or scattering neutrons at the object. By measuring the neutron coherence function (Section 4.2), one gets direct access to the correlation functions G(r, t) of condensed matter instead of measuring its Fourier transform S(Q,w) by spectroscopic methods. Various examples of related investigations will be discussed together with their future perspectives. The essentials of future neutron Fourier spectroscopy are formulated.
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Conference papers on the topic "Rayleigh`s phase function"

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Basak, Souvik, and Nabanita Datta. "Monopile Depth Sizing of Fixed Offshore Wind Turbines on Indian Territorial Waters: Dynamic Analysis of Towers Under Wind and Ocean Loads." In ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/omae2023-104337.

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Abstract A semi-analytical dynamic analysis of the monopile tower of an offshore wind turbine is presented. The linearly tapered, hollow, steel tower (with circular cross-section) is modeled as a Euler-Bernoulli cantilever beam with a tip mass, which is partially submerged in water, and partially embedded in the sea-bed as a monopile. The total tower length depends on the water depth at the location, the blade length, and the soil characteristics. The blade length, and hence, the swept area also influences the power captured (rated power) and hence, the nacelle (machinery) weight, which acts a
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Awasthi, Amit, Stephen Mckeown, C. Sahay, and Bahgat Sammakia. "Selection of Method for Fatigue Life Prediction Under Random Loading." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/epp-24738.

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Abstract Solder fatigue continues to be one the primary reliability concerns in electronic packages. Three basic factors are necessary to cause fatigue failure. These are (i) a stress of sufficiently high value, (ii) varying amplitude stress, and (iii) a number of cycles of applied stress. Fatigue failure of a solder joint may also occur under cyclic thermal loading. The goal of this project is to compare the experimental results of fatigue testing with the various theoretical approaches (Rainflow counting method, Steinberg’s 3 band approach, and Rayleigh’s method) and come up with a formulati
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Xu, Jing, and Lian-Kuan Chen. "Optical Phase Remodulation for 10-Gb/s WDM-PON with Enhanced Tolerance to Rayleigh Noise." In Optical Fiber Communication Conference. OSA, 2010. http://dx.doi.org/10.1364/ofc.2010.othg3.

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Guo, Zhiqing, Li-An Bian, Mingtuan Lin, Ranhao Chen, Yan Wang, and Shu Xie. "A Metasurface with Phase and Magnitude Modulation Function." In 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). IEEE, 2022. http://dx.doi.org/10.1109/imws-amp54652.2022.10106951.

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Ushifusa, Hiroyuki, Konosuke Sugasawa, and Kazuaki Inaba. "Rayleigh Scattering of Supercritical Carbon Dioxide in Dynamic Phase Transition." In ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45741.

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A new experimental device was developed to observe and measure the dynamic generation of supercritical CO2 (scCO2) in a closed chamber. The temperature and pressure were measured locally using a thin thermocouple and a pressure transducer, respectively. The Rayleigh scattering in the chamber was visualized using a high-speed video camera. The liquid CO2 was heated by a ceramic heater located at the top or bottom of the chamber. Using this new experimental device, the color variation due to Rayleigh scattering was observed. The temperature profile was stable and scCO2 was generated slowly withi
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Jing Xu, Lian-Kuan Chen, and Chun-Kit Chan. "High extinction ratio phase re-modulation for 10-Gb/s WDM-PON with enhanced tolerance to rayleigh noise." In 2010 9th International Conference on the Optical Internet (COIN). IEEE, 2010. http://dx.doi.org/10.1109/coin.2010.5546411.

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Vashisth, D., and B. Shekar. "Inversion of Rayleigh-Wave Phase and Group Velocity Dispersion Curves for S-Wave Velocity by Grey Wolf Optimization." In 81st EAGE Conference and Exhibition 2019. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201901454.

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Chow, C. W., G. Talli, and P. D. Townsend. "Reduction of Rayleigh Noise in 10Gb/s DWDM-PONs by Wavelength Detuning and Phase Modulation Induced Spectral Broadening." In 2006 32nd European Conference on Optical Communications - (ECOC 2006). IEEE, 2006. http://dx.doi.org/10.1109/ecoc.2006.4801426.

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Lyu, Yun-Peng, Lei Zhu, and Chong-Hu Cheng. "Design of Ultra-Wideband, Multi-Wideband, and Multi-Function Phase Shifters Based on Multiple Resonant Technology : (Invited Talk)." In 2019 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2019. http://dx.doi.org/10.1109/ieee-iws.2019.8803894.

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Wilkinson, D., P. Vowden, L. Gilka, S. M. Rajah, and R. C. Kester. "PLATELET FUNCTION IN VASOSPASTIC DISORDERS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643476.

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If vasospastic disorders are associated with abnormal eicosanoid metabolism then disturbed platelet function may be observed. We have measured platelet aggregation (PAG) at 37°C to ADP (8 1:1 sequential dilutions from 10μM), collagen (2mg/l) and adrenaline (5μM) in 37 patients with Raynaud's syndrome (21 primary (RD), 9 secondary to scleroderma (RP) and 7 vibration white finger disease (VWF)) and 10 normal subjects (N). In addition we have determined the platelet aggregate ratio (PAR). PAG was expressed as the percentage fall in optical density after the addition of the aggregant. We also reco
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Reports on the topic "Rayleigh`s phase function"

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Meidan, Rina, and Robert Milvae. Regulation of Bovine Corpus Luteum Function. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7604935.bard.

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The main goal of this research plan was to elucidate regulatory mechanisms controlling the development, function of the bovine corpus luteum (CL). The CL contains two different sterodigenic cell types and therefore it was necessary to obtain pure cell population. A system was developed in which granulosa and theca interna cells, isolated from a preovulatory follicle, acquired characteristics typical of large (LL) and small (SL) luteal cells, respectively, as judged by several biochemical and morphological criteria. Experiments were conducted to determine the effects of granulosa cells removal
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Hedrick, Jacob, and Timothy Jacobs. PR-457-14201-R02 Variable NG Composition Effects in LB 2S Compressor Engines Phase I Engine Response. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010997.

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This is the final report summarizing work completed during the first phase of the PRCI study on large bore two stroke lean burn integral compressor engine response to variable natural gas compositions for the purposes of engine control development. Accomplished tasks include the completion of a detailed literature review covering the research topic, a parametric study of laminar flame speeds and ignition delays for binary methane and ethane mixtures up to 30%, and a GT-Power engine model of the Colorado State GMV-4 research engine with associated validation data from CSU�s variable ethane effe
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Phillips and Robinson. L51979 Gas Decompression Behavior Following the Rupture of High Pressure Pipelines-Phase 1. Pipeline Research Council International, Inc. (PRCI), 2002. http://dx.doi.org/10.55274/r0010194.

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The ability to predict the behavior of a crack propagating in a steel natural gas transmission pipeline is of great importance. This is because a long-running fracture is costly, both in terms of the time taken for replacement, and associated lost revenue, and the cost of replacement of the pipe itself. The determination of ductile shear fracture arrest toughness levels requires an accurate knowledge of the gas decompression behavior following the rupture. In particular, there is a need to predict accurately the gas decompression wave velocity within the pipe as a function of initial pressure,
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Wagner, D. Ry, Eliezer Lifschitz, and Steve A. Kay. Molecular Genetic Analysis of Flowering in Arabidopsis and Tomato. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7585198.bard.

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The primary objectives for the US lab included: the characterization of ELF3 transcription and translation; the creation and characterization of various transgenic lines that misexpress ELF3; defining genetic pathways related to ELF3 function regulating floral initiation in Arabidopsis; and the identification of genes that either interact with or are regulated by ELF3. Light quality, photoperiod, and temperature often act as important and, for some species, essential environmental cues for the initiation of flowering. However, there is relatively little information on the molecular mechanisms
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Christopher, David A., and Avihai Danon. Plant Adaptation to Light Stress: Genetic Regulatory Mechanisms. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7586534.bard.

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Original Objectives: 1. Purify and biochemically characterize RB60 orthologs in higher plant chloroplasts; 2. Clone the gene(s) encoding plant RB60 orthologs and determine their structure and expression; 3. Manipulate the expression of RB60; 4. Assay the effects of altered RB60 expression on thylakoid biogenesis and photosynthetic function in plants exposed to different light conditions. In addition, we also examined the gene structure and expression of RB60 orthologs in the non-vascular plant, Physcomitrella patens and cloned the poly(A)-binding protein orthologue (43 kDa RB47-like protein).
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