Relevant bibliographies by topics / Pulse height weighting functions

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Academic literature on the topic 'Pulse height weighting functions'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Pulse height weighting functions"

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Lu, Jian-Yu, and Jiqi Cheng. "Field Computation for Two-Dimensional Array Transducers with Limited Diffraction Array Beams." Ultrasonic Imaging 27, no. 4 (2005): 237–55. http://dx.doi.org/10.1177/016173460502700403.

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A method is developed for calculating fields produced with a two-dimensional (2D) array transducer. This method decomposes an arbitrary 2D aperture weighting function into a set of limited diffraction array beams. Using the analytical expressions of limited diffraction beams, arbitrary continuous wave (cw) or pulse wave (pw) fields of 2D arrays can be obtained with a simple superposition of these beams. In addition, this method can be simplified and applied to a 1D array transducer of a finite or infinite elevation height. For beams produced with axially symmetric aperture weighting functions,
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Sun, Jianguo, and Dirk Gajewski. "On the computation of the true‐amplitude weighting functions." GEOPHYSICS 63, no. 5 (1998): 1648–51. http://dx.doi.org/10.1190/1.1444460.

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True‐amplitude migration is a new development of Kirchhoff‐type migration. By using a proper weighting function, called true‐amplitude weighting function, in the modified diffraction‐stack operator, one can obtain a reconstructed source pulse proportional to the reflection coefficient of the target reflector. According to Schleicher et al. (1993), the true‐amplitude weighting function is complex and consists of two parts. One part is the module of the complex weighting function, given by means of a 2 × 2 ray transformation submatrix called [Formula: see text]. The other is the phase factor of
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Tain, Jose L., Frank Gunsing, Daniel aniel-Cano, et al. "Accuracy of the Pulse Height Weighting Technique for Capture Cross Section Measurements." Journal of Nuclear Science and Technology 39, sup2 (2002): 689–92. http://dx.doi.org/10.1080/00223131.2002.10875193.

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Li-ye, L. "Measurement of H'(0.07) using the plastic scintillation pulse height weighting integration method." Radiation Protection Dosimetry 112, no. 3 (2004): 371–76. http://dx.doi.org/10.1093/rpd/nch411.

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Abbondanno, U., G. Aerts, H. Alvarez, et al. "New experimental validation of the pulse height weighting technique for capture cross-section measurements." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 521, no. 2-3 (2004): 454–67. http://dx.doi.org/10.1016/j.nima.2003.09.066.

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Blahak, Ulrich. "An Approximation to the Effective Beam Weighting Function for Scanning Meteorological Radars with an Axisymmetric Antenna Pattern." Journal of Atmospheric and Oceanic Technology 25, no. 7 (2008): 1182–96. http://dx.doi.org/10.1175/2007jtecha1010.1.

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Abstract To obtain statistically stable reflectivity measurements by meteorological radars, it is common practice to average over several consecutive pulses during which the antenna rotates at a certain angular velocity. Taking into account the antenna’s continuous motion, the measured reflectivity is determined by an effective beam weighting function, which is different from a single-pulse weighting function—a fact that is widely ignored in applications involving beam weighting. In this paper, the effective beam weighting function is investigated in detail. The theoretical derivation shows th
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ZIPPERER, TRAVIS, FARZAD RAHNEMA, and DINGKANG ZHANG. "PULSE HEIGHT TALLY RESPONSE EXPANSION METHOD FOR APPLICATION IN DETECTOR PROBLEMS." International Journal of Modern Physics: Conference Series 27 (January 2014): 1460154. http://dx.doi.org/10.1142/s2010194514601549.

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A new incident flux response expansion method (IFLEX) is developed to perform on-the-fly detector pulse height spectra calculations with Monte Carlo accuracy. Given the flux incident on the detector window, the method uses pre-computed continuous energy Monte Carlo based response functions to generate the pulse height tallies. B-spline functions are selected for the expansion of the incident flux in the energy phase space. Response functions are generated for a CsI(Na) crystal using an energy dependent B-spline form of the IFLEX method. The method is verified for two incident flux spectra on t
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Carrier, Matthew J., Xiaolei Zou, and William M. Lapenta. "Comparing the Vertical Structures of Weighting Functions and Adjoint Sensitivity of Radiance and Verifying Mesoscale Forecasts Using AIRS Radiance Observations." Monthly Weather Review 136, no. 4 (2008): 1327–48. http://dx.doi.org/10.1175/2007mwr2057.1.

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Abstract An adjoint sensitivity analysis is conducted using the adjoint of the hyperspectral radiative transfer model (RTM) that simulates the radiance spectrum from the Advanced Infrared Sounder (AIRS). It is shown, both theoretically and numerically, that the height of the maximum sensitivity of radiance in a channel could be higher or lower than the height of the maximum weighting function of that channel. It is shown that the discrepancy between the two heights is determined by the vertical structures of the atmospheric thermodynamic state. The sensitivity finds the level at which changes
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Leduc, Daniel, and Jeffery Goelz. "A Height–Diameter Curve for Longleaf Pine Plantations in the Gulf Coastal Plain." Southern Journal of Applied Forestry 33, no. 4 (2009): 164–70. http://dx.doi.org/10.1093/sjaf/33.4.164.

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Abstract Tree height is a critical component of a complete growth-and-yield model because it is one of the primary components used in volume calculation. To develop an equation to predict total height from dbh for longleaf pine (Pinus palustris Mill.) plantations in the West Gulf region, many different sigmoidal curve forms, weighting functions, and ways of expressing height and diameter were explored. Most of the functional forms tried produced very similar results, but ultimately the form developed by Levakovic was chosen as best. Another useful result was that scaling diameters by the quadr
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Avdic, Senada, Predrag Marinkovic, and Beco Pehlivanovic. "The unfolding effects of transfer functions and processing of the pulse height distributions." Nuclear Technology and Radiation Protection 25, no. 2 (2010): 93–99. http://dx.doi.org/10.2298/ntrp1002093a.

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Dissertations / Theses on the topic "Pulse height weighting functions"

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Zipperer, Travis Jonathan. "Pulse height tally response expansion method for application in detector problems." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/44816.

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A pulse height tally response expansion (PHRE) method is developed for detectors. By expanding the incident flux at the detector window/surface, a set of response functions is constructed via Monte Carlo estimators for pulse height tallies. B-spline functions are selected to perform the expansion of the response functions as well as for the expansion of the incident flux in photon energy. The method is verified for several incident flux spectra on a CsI(Na) detector. Results are compared to the solutions generated using direct Monte Carlo calculations. It is found that the method is several or
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Boutoux, Guillaume. "Sections efficaces neutroniques via la méthode de substitution." Phd thesis, Bordeaux 1, 2011. http://tel.archives-ouvertes.fr/tel-00654677.

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Les sections efficaces neutroniques des noyaux de courte durée de vie sont des données cruciales pour la physique fondamentale et appliquée dans des domaines tels que la physique des réacteurs ou l'astrophysique nucléaire. En général, l'extrême radioactivité de ces noyaux ne nous permet pas de procéder à des mesures induites par neutrons. Cependant, il existe une méthode de substitution (" surrogate " dans la littérature) qui permet de déterminer ces sections efficaces neutroniques par l'intermédiaire de réactions de transfert ou de réactions de diffusion inélastique. Son intérêt principal est
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Books on the topic "Pulse height weighting functions"

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Wright, A. G. Statistical processes. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199565092.003.0004.

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Two statistical processes affect performance: one concerns photon detection at the photocathode (binomial); and the other, gain at each dynode (Poisson). The combined statistical processes dictate resolution, both timing and pulse height. They are best examined using generating functions that are both elegant and capable of providing answers more efficiently than traditional approaches. The requirement for steady and pulsed light sources is an important one for testing and setting up procedures. The use of moments to test the quality of performance is illustrated for a steady DC light source.
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Conference papers on the topic "Pulse height weighting functions"

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Miura, Terumitsu, Toru Obara, and Hiroshi Sekimoto. "Characteristics of Polonium Contamination From Neutron Irradiated Lead-Bismuth Eutectic." In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49153.

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After neutron capture, bismuth-209 changes to polonium-210 that emits α-particles. Lead-Bismuth eutectic (LBE) in reactor system contaminates the system by polonium. We analyzed adsorbed materials from melted LBE on quartz glass plate. Lead, bismuth and their oxides were confirmed in adsorbed materials. And, we evaluated the baking method in vacuum for removal of polonium and adsorbed materials on quartz glass plate. It was evaluated that it is possible to remove almost all of polonium from the quartz glass plate by baking at temperature more than 300 °C. Unfolding method was applied to calcul
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