Browsing University of Hertfordshire by Title

Now showing items 13825-13844 of 24471

    • Measurement-Based Timing Analysis 

      Wenzel, Ingomar; Kirner, Raimund; Rieder, Bernhard; Puschner, Peter (Springer Nature, 2009)
      In this paper we present a measurement-based worst-case execution time (WCET) analysis method. Exhaustive end-to-end execution-time measurements are computationally intractable in most cases. Therefore, we propose to measure ...

    • Measurement-Based Timing Analysis for Reconfigurable Embedded Systems 

      Kirner, Raimund; Bünte, Sven; Zolda, Michael (Engineering Science Reference (IGI-Global), 2011)
      Reconfigurable embedded computing opens many interesting possibilities for efficiency and reliability improvement. Still, it is necessary to verify whether the reconfigurable embedded computer system fulfills its timing ...

    • Measurement-based worst-case execution time analysis 

      Wenzel, I; Kirner, Raimund; Rieder, B; Puschner, P. (Institute of Electrical and Electronics Engineers (IEEE), 2005)
      In the last years the number of electronic control systems has increased significantly. In order to stay competitive more and more functionality is integrated into more and more powerful and complex computer hardware. Due ...

    • Measurements and comparison of primary biological aerosol above and below a tropical forest canopy using a dual channel fluorescence spectrometer 

      Gabey, A.; Gallagher, M.; Whitehead, J.; Dorsey, J.R.; Kaye, Paul H.; Stanley, W. (2010)
      Aerosol particle size distributions were measured below and above a tropical rainforest canopy in Borneo, Malaysia, in June/July 2008 using the WIBS-3: a single particle dual channel fluorescence spectrometer. Material in ...

    • Measurements at n_TOF of the neutron capture cross section of minor actinides relevant to the nuclear waste transmutation 

      Cano-Ott, D.; Abbondanno, U.; Aerts, G.; Alvarez, H.; Alvarez-Velarde, F.; Andriamonje, S.; Andrzejewski, J.; Assimakopoulos, P.; Audouin, L.; Badurek, G.; Baumann, P.; Becvai, F.; Benlliure, J.; Berthoumieux, E.; Calvino, F.; Capote, R.; de Albornoz, A.C.; Cennini, P.; Chepel, V.; Chiaveri, E.; Colonna, N.; Cortes, G.; Cortina, D.; Couture, A.; Cox, J.; David, S.; Dolfini, R.; Domingo-Pardo, C.; Dridi, W.; Duran, R.B.; Embid-Segura, M.; Ferrant, L.; Ferrari, A.; Fitzpatrick, L.; Ferreira-Marques, R.; Frais-Koelbl, H.; Fujii, K.; Furman, W.; Goncalves, I. F.; Gallino, R.; Gonzalez-Romero, E.; Goverdovski, A.; Gramegna, F.; Griesmayer, E.; Guerrero, C.; Gunsing, F.; Haas, B.; Haight, R.; Heil, M.; Herrera-Martinez, A.; Igashira, M.; Isaev, S.; Jericha, E.; Kadi, Y.; Kappeler, F.; Karamanis, D.; Karadimos, D.; Kerveno, M.; Ketlerov, V.; Koehler, P.; Konovalov, V.; Kossionides, E.; Krticka, M.; Lamboudis, C.; Leeb, H.; Lindote, A.; Lopes, I.; Lozano, M.; Lukic, S.; Marganiec, J.; Marques, L.; Marrone, S.; Mastinu, P.; Mengoni, A.; Milazzo, P.M.; Moreau, C.; Mosconi, M.; Neves, F.; Oberhummer, H.; O'Brien, S.; Oshima, M.; Pancin, J.; Papachristodoulou, C.; Papadopouloso, C.; Papaevangelou, T.; Paradela, C.; Patronis, N.; Pavlik, A.; Pavlopoulos, P.; Perdikakis, G.; Perrot, L.; Plag, R.; Plompen, A.; Plukis, A.; Poch, A.; Pretel, C.; Quesada, J.; Rauscher, T.; Reifarth, R.; Rosetti, M.; Rubbia, C.; Rudolf, G.; Rullhusen, P.; Salgado, J.; Sarchiapone, L.; Stephan, C.; Tagliente, G.; Tain, J. L.; Tassan-Got, L.; Tavora, L.; Terlizzi, R.; Vannini, G.; Vaz, P.; Ventura, A.; Villamarin, D.; Vincente, M. C.; Vlachoudis, V.; Vlastou, R.; Voss, F.; Wendler, H.; Wiescher, Michael; Wisshak, K. (American Institute of Physics (AIP), 2005)
      Accurate and reliable neutron-capture cross-section data for actinides are necessary for the proper design, safety regulation, and precise performance assessment of transmutation devices such as Fast Critical Reactors or ...

    • Measurements of astrophysical neutron capture cross sections via the inverse reaction 

      Horvath, A.; Galonsky, A.; Carlin, N.; Deak, F.; Gomi, T.; Guimaraes, V.; Higurashi, Y.; Hiroshi, K.; Ieki, K.; Iwata, Y.; Kiss, A.; Kolata, J.; Rauscher, T.; Schelin, H.; von Schwarzenberg, J.; Seres, Z.; Takeuchi, S.; Typel, S.; Warner, R.; Weiner, J. (2003-05-19)
      Neutron capture of short-lived isotopes can be important within several astrophysical environments. The laboratory investigation of these reactions can be difficult since these isotopes cannot form a target. We used ...

    • Measurements of atmospheric volcanic ash using an aerosol radiosonde 

      Ulanowski, Joseph; Harrison, R.G.; Nicoll, K.A. (2010)
      A low-cost, miniature aerosol particle counter has been developed, intended for use with balloon-borne radiosondes. The counter provides a size distribution in five size bins and is interfaced to a Vaisala RS92 radiosonde, ...

    • Measurements of CO Redshifts with Z-Spec for Lensed Submillimeter Galaxies Discovered in the H-ATLAS Survey 

      Lupu, R. E.; Scott, K.S.; Aguirre, J.E.; Aretxaga, I.; Auld, R.; Barton, E.; Beelen, A.; Bertoldi, F.; Bock, J.J.; Bonfield, D.; Bradford, C.M.; Buttiglione, S.; Cava, A.; Clements, D. L.; Cooke, J.; Cooray, A.; Dannerbauer, H.; Dariush, A.; de Zotti, G.; Dunne, L.; Dye, S.; Eales, S.; Frayer, D.; Fritz, J.; Glenn, J.; Hughes, D.H.; Ibar, E.; Ivison, Rob J.; Jarvis, M.J.; Kamenetzky, J.; Kim, S.; Lagache, G.; Leeuw, L.; Maddox, S.; Maloney, P. R.; Matsuhara, H.; Murphy, E. J.; Naylor, B.J.; Negrello, M.; Nguyen, H.; Omont, A.; Pascale, E.; Pohlen, M.; Rigby, E.; Rodighiero, G.; Serjeant, S.; Smith, Daniel; Temi, P.; Thompson, M.; Valtchanov, I.; Verma, A.; Vieira, J. D.; Zmuidzinas, J. (2012-10-01)
      We present new observations from Z-Spec, a broadband 185-305 GHz spectrometer, of five submillimeter bright lensed sources selected from the Herschel-Astrophysical Terahertz Large Area Survey science demonstration phase ...

    • Measurements of deformed droplets and droplets with inclusions in an aerodynamic particle sizer 

      Secker, D.R.; Hirst, E.; Kaye, Paul H. (2000)
      This paper describes the progress on a project aimed at quantifying the degree of deformation experienced by liquid droplets in the TSI Aerodynamic Particle Sizer with a view to providing automatic correction for errors ...

    • Measurements of desert dust optical characteristics at Porte au Sahara during SAMUM 

      Von Hoyningen-Huene, W.; Dinter, T.; Kokhanovsky, A. A.; Burrows, J. P.; Wendisch, M.; Bierwirth, E.; Mueller, D.; Diouri, M. (2009-02)
      Main optical characteristics of desert dust, such as phase function and single scattering albedo, have been derived from combinations of sun-/sky-radiometer and satellite measurements during the SAMUM experiment (10 May-10 ...

    • Measurements of Gd 152 (p,γ) Tb 153 and Gd 152 (p,n) Tb 152 reaction cross sections for the astrophysical γ process 

      Güray, R. T.; Özkan, N.; Yalçln, C.; Rauscher, T.; Gyürky, Gy; Farkas, J.; Fülöp, Zs; Halász, Z.; Somorjai, E. (2015-05-29)
      The total cross sections for the Gd152(p,γ)Tb153 and Gd152(p,n)152Tb reactions have been measured by the activation method at effective center-of-mass energies 3.47≤Ec.m.eff≤7.94 MeV and 4.96≤Ec.m.eff≤7.94 MeV, respectively. ...

    • Measurements of high-energy neutron-induced fission of (nat)Pb and (209)Bi 

      Tarrio, D.; Tassan-Got, L.; Audouin, L.; Berthier, B.; Duran, I.; Ferrant, L.; Isaev, S.; Le Naour, C.; Paradela, C.; Stephan, C.; Trubert, D.; Abbondanno, U.; Aerts, G.; Alvarez, H.; Alvarez-Velarde, F.; Andriamonje, S.; Andrzejewski, J.; Assimakopoulos, P.; Badurek, G.; Baumann, P.; Becvar, F.; Berthoumieux, E.; Calvino, F.; Calviani, M.; Cano-Ott, D.; Capote, R.; Carrapico, C.; Cennini, P.; Chepel, V.; Chiaveri, E.; Colonna, N.; Cortes, G.; Couture, A.; Cox, J.; Dahlfors, M.; David, S.; Dillmann, I.; Domingo-Pardo, C.; Dridi, W.; Eleftheriadis, C.; Embid-Segura, M.; Ferrari, A.; Ferreira-Marques, R.; Fujii, K.; Furman, W.; Goncalves, I.; Gonzalez-Romero, E.; Gramegna, F.; Guerrero, C.; Rauscher, T.; n-TOF Collaboration (EDP Sciences, 2010)
      The CERN Neutron Time-Of-Flight (n_TOF) facility is well suited to measure low cross sections as those of neutron-induced fission in subactinides. The cross section ratios of (nat)Pb and (209)Bi relative to (235)U and ...

    • Measurements of neutron capture cross-sections at n_TOF 

      Tagliente, G.; Abbondanno, U.; Aerts, G.; Alvarez-Velarde, F.; Alvarez-Pol, H.; Andriamonje, S.; Andrzejewski, J.; Badurek, G.; Baumann, P.; Becvar, F.; Benlliure, J.; Berthoumieux, E.; Calvino, F.; Cano-Ott, D.; Capote, R.; Cennini, P.; Chepel, V.; Chiaveri, E.; Colonna, N.; Cortes, G.; Cortina, D.; Couture, A.; Cox, J.; Dababneh, S.; Dahlfors, M.; David, S.; Dolfini, R.; Domingo-Pardo, C.; Duran, I.; Embid-Segura, M.; Ferrant, L.; Ferrari, A.; Ferreira-Marques, R.; Frais-Koelbl, H.; Furman, W.; Goncalves, J.; Gallino, R.; Gonzalez-Romero, E.; Goverdovski, A.; Gramegna, F.; Griesmayer, E.; Gunsing, F.; Haas, B.; Haight, R.; Heil, M.; Herrera-Martinez, A.; Isaev, S.; Jericha, E.; Kaeppeler, F.; Kadi, Y.; Karadimos, D.; Kerveno, M.; Ketlerov, V.; Koehler, P.; Konovalov, V.; Krticka, M.; Lamboudis, C.; Leeb, H.; Lindote, A.; Lopes, I.; Lorusso, G.; Lozano, M.; Lukic, S.; Marganiec, J.; Marrone, S.; Martinez-Val, J.; Massimi, C.; Mastinu, P.; Mengoni, A.; Milazzo, P. M.; Molina-Coballes, A.; Moreau, C.; Mosconi, M.; Neves, F.; Oberhummer, H.; O'Brien, S.; Pancin, J.; Papaevangelou, I.; Paradela, C.; Pavlik, A.; Pavlopoulos, P.; Perlado, J. M.; Perrot, L.; Pignatari, M.; Plag, R.; Plompen, A.; Plukis, A.; Poch, A.; Policarpo, A.; Pretel, C.; Quesada, J.; Rapp, W.; Rauscher, T.; Reifarth, R.; Rubbia, C.; Rudolf, G.; Rullhusen, P.; Salgado, J.; Soares, J. C.; Stephan, C.; Tain, J. L.; Tassan-Got, L.; Tavora, L.; Terlizzi, R.; Vannini, G.; Vaz, P.; Ventura, A.; Villamarin, D.; Vincente, M. C.; Vlachoudis, V.; Voss, F.; Wendler, H.; Wiescher, M.; Wisshak, K. (American Institute of Physics (AIP), 2007)
      Capture cross-sections on isotopes relevant to accelerator driven systems for energy production and nuclear waste transmutation, and to stellar nucleosynthesis have been studied at the innovative neutron time of flight ...

    • Measurements of neutron cross sections for advanced nuclear energy systems at n-TOF (CERN) 

      Barbagallo, M.; Colonna, N.; Altstadt, S.; Andrzejewski, J.; Audouin, L.; Bécares, V.; Bečvář, F.; Belloni, F.; Berthoumieux, E.; Billowes, J.; Bosnar, D.; Brügger, M.; Calviani, M.; Calviño, F.; Cano-Ott, D.; Carrapiço, C.; Cerutti, F.; Chiaveri, E.; Chin, M.P.W.; Cortés, G.; Cortés-Giraldo, M.A.; Diakaki, M.; Domingo-Pardo, C.; Durán, I.; Dressler, R.; Eleftheriadis, C.A.; Ferrari, A.M.; Fraval, K.; Ganesan, S.; García, A.R.; Giubrone, G.; Gonçalves, I. F.; González-Romero, E.M.; Griesmayer, E.; Guerrero, C.; Gunsing, F.; Hernández-Prieto, A.; Jenkins, D. G.; Jericha, E.; Kadi, Y.; Käppeler, F.; Karadimos, D.; Kivel, N.; Koehler, P. E.; Krtička, M.; Kroll, J.; Lampoudis, C.; Langer, C.; Leal-Cidoncha, E.; Lederer, C.; Leeb, H.; Leong, L. S.; Losito, R.; Manousos, A.; Marganiec, J.; Martínez, T.; Massimi, C.; Mastinu, P.F.; Mastromarco, M.; Mendoza, E.; Mengoni, A.; Milazzo, P.M.; Mingrone, F.; Mirea, M.; Mondalaers, W.; Paradela, C.; Pavlik, A.; Perkowski, J.; Plompen, A.J.M.; Praena, J.; Quesada, J.M.; Rauscher, T.; Reifarth, R.; Riego, A.; Rubbia, C.; Sabaté-Gilarte, M.; Sarmento, R.; Saxena, A.C.; Schillebeeckx, P.; Schmidt, S.L.; Schumann, D.L.; Tagliente, G.; Taín, J. L.; Tarrío, D.; Tassan-Got, L.; Tsinganis, A.; Valenta, S.; Vannini, G.; Variale, V.; Vaz, P.; Ventura, A.; Vermeulen, M. J.; Vlachoudis, V.; Vlastou, R.; Wallner, A.; Ware, T.; Weigand, M.; Weiss, C.; Wright, T. J.; Žugec, P. (2014-04-14)
      The n-TOF facility operates at CERN with the aim of addressing the request of high accuracy nuclear data for advanced nuclear energy systems as well as for nuclear astrophysics. Thanks to the features of the neutron beam, ...

    • Measurements of proton radiative capture cross sections relevant to the astrophysical rp- and gamma-processes 

      Chloupek, F.R.; Murphy, A.S.; Boyd, R.N.; Cole, A.L.; Gorres, J.; Guray, R. T.; Raimann, G.; Zach, J.J.; Rauscher, T.; Schwarzenberg, J.V.; Tischhauser, P.; Wiescher, M. (1999-06-21)
      Measurements have been made of the Zr-96(p,gamma)Nb-97, Sn-112(p,gamma)Sb-113, and Sn-119(p,gamma) Sb-120 cross section excitation functions, Incident proton energies ranged from 2.8 MeV to 8.5 MeV. These reactions are ...

    • Measurements of the 90,91,92,94,96Zr(n, gamma) cross-sections at n_TOF 

      Tagliente, C.; Abbondanno, U.; Aerts, G.; Alvarez-Velarde, F.; Alvarez-Pol, H.; Andriamonje, S.; Andrzejewski, J.; Badurek, G.; Baumann, P.; Becvar, F.; Benlliure, J.; Berthoumieux, E.; Calvino, F.; Cano-Ott, D.; Capote, R.; Cennini, P.; Chepel, V.; Chiaveri, E.; Colonna, N.; Cortes, G.; Cortina, D.; Couture, A.; Cox, J.; Dababneh, S.; Dahlfors, M.; David, S.; Dolfini, R.; Domingo-Pardo, C.; Duran, R.B.; Embid-Segura, M.; Ferrant, L.; Ferrari, A.; Ferreira-Marques, R.; Frais-Koelb, H.; Furman, W.; Goncalves, I. F.; Gallino, R.; Gonzalez-Romero, E.; Goverdovski, A.; Gramegna, F.; Griesmayer, E.; Gunsing, F.; Haas, B.; Haight, R.; Heil, M.; Herrera-Martinez, A.; Isaev, S.; Jericha, E.; Kappeler, F.; Rauscher, T.; n TOF Collaborat (2005-07-25)
      Neutron capture cross sections of the 90,91,91,94,96Zr have been measured over the energy range from 1 eV to 1 MeV at the spallation neutron facility n-TOF at CERN in 2003. The innovative features of the neutron beam, in ...

    • Measurements of the cosmological evolution of magnetic fields with the Square Kilometre Array 

      Krause, M.; Alexander, P.; Bolton, R.; Geisbüsch, J.; Green, D.~A.; Riley, J. (2009-12-01)
      We investigate the potential of the Square Kilometre Array (SKA) for measuring the magnetic fields in clusters of galaxies via Faraday rotation of background polarized sources. The populations of clusters and radio sources ...

    • Measures of star formation rates from infrared (Herschel) and UV (GALEX) emissions of galaxies in the HerMES fields 

      Buat, V.; Giovannoli, E.; Burgarella, D.; Altieri, B.; Amblard, A.; Arumugam, V.; Aussel, H.; Babbedge, T.; Blain, A.W.; Bock, J.; Boselli, A.; Castro-Rodriguez, N.; Cava, A.; Chanial, P.; Clements, D.; Conley, A.; Conversi, L.; Cooray, A.; Dowell, C.D.; Dwek, E.; Eales, S.; Elbaz, D.; Fox, M.; Franceschini, A.; Gear, W.K.; Glenn, J.; Griffin, M.; Halpern, M.; Hatziminaoglou, E.; Heinis, S.; Ibar, E.; Isaak, K.G.; Ivison, R.J.; Lagache, G.; Levenson, L.; Lonsdale, C.J.; Lu, N.; Madden, S.; Maffei, B.; Magdis, G.; Mainetti, G.; Marchetti, L.; Morrison, G.E.; Nguyen, H.T.; O'Halloran, B.; Oliver, S.; Omont, A.; Owen, F.; Page, M.J.; Pannella, M.; Papageorgiou, A.; Pearson, C.; Perez-Fournon, I.; Pohlen, M.; Rigopoulou, D.; Rizzo, D.; Roseboom, I.G.; Rowan-Robinson, M.; Portal, M.S.; Schulz, B.; Seymour, N.; Shupe, D.; Smith, A.J.; Stevens, J. A.; Strazzullo, V.; Symeonidis, M.; Trichas, M.; Tugwell, K.E.; Vaccari, M.; Valiante, E.; Valtchanov, I.; Vigroux, L.; Wang, L.; Ward, R.; Wright, G.; Xu, C.K.; Zemcov, M. (2010)
      The reliability of infrared (IR) and ultraviolet (UV) emissions to measure star formation rates (SFRs) in galaxies is investigated for a large sample of galaxies observed with the Spectral and Photometric Imaging Receiver ...

    • Measuring and modelling occupancy time in NHS continuing healthcare 

      Chahed, Salma; Demir, Eren; Chaussalet, Thierry J; Millard, Peter H; Toffa, Samuel (2011)
      Due to increasing demand and financial constraints, NHS continuing healthcare systems seek to find better ways of forecasting demand and budgeting for care. This paper investigates two areas of concern, namely, how long ...

    • Measuring atmospheric composition change 

      Laj, P.; Klausen, J.; Bilde, M.; Plass-Duelmer, C.; Pappalardo, G.; Clerbaux, C.; Baltensperger, U.; Hjorth, J.; Simpson, D.; Reimann, S.; Coheur, P. -F.; Richter, A.; De Maziere, M.; Rudich, Y.; McFiggans, G. B.; Torseth, K.; Wiedensohler, A.; Morin, S.; Schulz, M.; Allan, J. D.; Attie, J.-L.; Barnes, I.; Birmili, W.; Cammas, J. P.; Dommen, J.; Dorn, H. -P.; Fowler, D.; Fuzzi, S.; Glasius, M.; Granier, C.; Hermann, M.; Isaksen, I. S. A.; Kinne, S.; Koren, I.; Madonna, F.; Maione, M.; Massling, A.; Moehler, O.; Mona, L.; Monks, P. S.; Mueller, D.; Mueller, T.; Orphal, J.; Peuch, V.H.; Stratmann, F.; Tanre, D.; Tyndall, G.; Riziq, A. Abo; Van Roozendael, M.; Villani, P.; Wehner, B.; Wex, H.; Zardini, A. A. (2009-10)
      Scientific findings from the last decades have clearly highlighted the need for a more comprehensive approach to atmospheric change processes. In fact, observation of atmospheric composition variables has been an important ...