Now showing items 680-699 of 2057

    • H.264 scalable video over finite-state Markov chain wireless channels 

      Hua, Guogang; Song, Daewon; Hench, David L.; Chen, Chang Wen (2007-09-10)
      In this paper, a wireless channel is viewed as a heterogeneous network in the time domain, and an adaptive video transmission scheme for H.264 scalable video over wireless channels modeled as a finite-state Markov chain ...
    • A half Dl MPEG-4 encoder on the BSP-15 DSP 

      Chen, Lulin; He, Zhihai; Chen, Chang Wen; Isnardi, Michael A. (2004-01-18)
      In this paper, we present the work on implementation of a half-Dl interlaced MPEG-4 encoder with Equator Technology DSP chip, BSP-15. The BSP-15 DSP consists mainly of a VLIW core, Co-processors, and media I/O interfaces. ...
    • Hamiltonian formulation of induced gravity in two dimensions 

      Torre, Charles G. (1989-10-15)
      A Hamiltonian formulation of the theory of induced gravity in two dimensions is constructed. This formulation differs from previous efforts in that the formalism is covariant under all relevant transformation groups. In ...
    • Haptics-based Cataract Surgery Simulator 

      Luo, Jia (2015-09-01)
      Surgical training using computer-based simulators are being adopted by many medical specialties, mainly because they offer several advantages to traditional training methods involving animals or cadavers. This article ...
    • HAWQ DD 

      Subramanian, A.; Hicks, A.; Romano, C.; Gatera, G.; Alameri, J.; Dushane, M.; Rhoney, M.; Momanyi, N.; Burke, S.
      Execute an autonomous mission to deliver a package to a predetermined location. HAWQ DD (Hybrid Autonomous Winged Quadrotor Delivery Drone) transitions from quadcopter configuration to fixed wing and delivers the 3 kg ...
    • HD 164492C: A rapidly rotating, Hα-bright, magnetic early B star associated with a 12.5 d spectroscopic binary 

      Wade, Gregg A.; Shultz, Matthew E.; Sikora, J.; Bernier, M.E.; Rivinius, Th H.; Alécian, Evelyne; Petit, Véronique; Grunhut, Jason H.; The BinaMIcS Collaboration (2016-10-21)
      We employ high-resolution spectroscopy and spectropolarimetry to derive the physical properties and magnetic characteristics of the multiple systemHD164492C, located in the young open cluster M20. The spectrum reveals ...
    • Health Behaviors Contributing to Overall Perceived Health, Mental and Physical Health Status, and Functional Impairment in Psychologists and Trainees 

      Brown, Natasha (2017-01)
      This study investigated the health behaviors and overall perceived health among psychologists and psychology trainees. Results revealed significant correlations between overall perceived health and physical activity, ...
    • HEAT: runtime interception of Win32 functions 

      Andrews, Michael M. (2003-01-14)
      When researching in any field, it is always important to build upon existing work. In most research disciplines, the core base is well defined and widely documented. However, the basis of innovative research in computer ...
    • Heavy-flavor electron-muon correlations in p+p and d+Au collisions at sNN =200 GeV 

      Hohlmann, Marcus; Rembeczki, S.; Baksay, Gyöngyi; Baksay, László A; Adare, Andrew Marshall; Afanasiev, Sergei V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Al-Bataineh, H. (2014-03-31)
      Background: Heavy-flavor modification in relativistic p(d)+A collisions are sensitive to different kinds of strong-interaction physics ranging from modifications of the nuclear wave function to initial- and final-state ...
    • Heavy-ion elemental abundances in large solar energetic particle events and their implications for the seed population 

      Desai, Mihir I.; Mason, Glenn M.; Gold, Robert E.; Krimigis, Stamatios M.; Cohen, Christina M S; Mewaldt, Richard A.; Mazur, Joseph E.; Dwyer, Joseph R. (2006-09-20)
      We have surveyed the ∼0.1-10 MeV nucleonˉ¹ abundances of heavy ions from ³He through Fe in 64 large solar energetic particle (LSEP) events observed on board the Advanced Composition Explorer from 1997 November through 2005 ...
    • Heavy-quark production in p + p and energy loss and flow of heavy quarks in Au + Au collisions at √sNN=200 GeV 

      Baksay, László A; Baksay, Gyöngyi; Dehmelt, Klaus; Hohlmann, Marcus; Rembeczki, Szabolcs; Adare, Andrew Marshall; Afanasiev, Sergei V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki (2011-10-10)
      Transverse momentum spectra of electrons (pTe) from semileptonic weak decays of heavy-flavor mesons in the range of 0.3<pTe<9.0 GeV/c have been measured at midrapidity (|y|<0.35) by the PHENIX experiment at the Relativistic ...
    • The Heliosphere as Seen in TeV Cosmic Rays 

      Zhang, Ming; Pogorelov, Nikolai V. (2016)
      Measurements from several cosmic-ray air shower experiments reveal that the anisotropy of TeV cosmic-ray flux does not agree with a dipole pattern commonly expected from the Compton-Getting effect or from the diffusion of ...
    • Heliospheric influence on the anisotropy of TeV cosmic rays 

      Zhang, Ming; Zuo, Pingbing; Pogorelov, Nikolai V. (2014-06-26)
      This paper provides a theory of using Liouville's theorem to map the anisotropy of TeV cosmic rays seen at Earth using the particle distribution function in the local interstellar medium (LISM). The ultimate source of ...
    • THE HELIOTAIL 

      Pogorelov, Nikolai V.; Borovikov, Sergey N.; Heerikhuisen, Jacob; Zhang, Ming (2015-10-06)
      The heliotail is formed when the solar wind (SW) interacts with the local interstellar medium (LISM) and is shaped by the interstellar magnetic field (ISMF). While there are no spacecraft available to perform in situ ...
    • Heterogeneous photocatalytic reduction of ferrate(VI) in UV-irradiated titania suspensions: Role in enhancing destruction of nitrogen-containing pollutants. 

      Sharma, V.K.; Winkelmann, K.; Krasnova, Y.; Lee, C.; Sohn, M. (2003)
      The results of the heterogeneous photocatalytic reduction of Fe(VI) in UV-irradiated TiO2 suspensions are presented and suggest indirect observation of the formation of Fe(V) by the photoreduction of Fe(VI) with ecb- at ...
    • HgCdTe focal plane array cost modeling 

      Sanders, Thomas J.; Hess, Glenn T. (2003-10-10)
      Focal plane arrays (FPAs) are used in many applications for detecting infrared (IR) radiation where normal sight with light in the visible spectrum is not possible. To effectively detect this IR radiation, complex semiconductor ...
    • High Fidelity Adaptive Cyber Emulation 

      Mammadov, Samir (2017-05)
      While looking for a high-level adaptive traffic generation tool, we came to realize that no such tool exists that can be used for rapid development while being platform agnostic. Having reviewed a wide array of tools to ...
    • High order derivative spectroscopy for selecting spectral regions and channels for remote sensing algorithm development 

      Bostater, Charles R. (1999-12-17)
      A remote sensing reflectance model, which describes the transfer of irradiant light within a plant canopy or water column has previously been used to simulate the nadir viewing reflectance of vegetation canopies and leaves ...
    • High pT direct photon and π0 triggered azimuthal jet correlations and measurement of kT for isolated direct photons in p+p collisions at √s=200GeV 

      Adare, Andrew Marshall; Afanasiev, Sergei V.; Aidala, Christine A.; Ajitanand, N. N.; Akiba, Yasuyuki; Baksay, Gyöngyi; Baksay, László A; Dehmelt, Klaus; Hohlmann, Marcus; Rembeczki, Szabolcs (2010-10-04)
      Correlations of charged hadrons of 1<pT<10Gev/c with high pT direct photons and π0 mesons in the range 5<p T<15Gev/c are used to study jet fragmentation in the γ+jet and dijet channels, respectively. The magnitude of the ...
    • High-altitude electrical discharges associated with thunderstorms and lightning 

      Liu, Ningyu; McHarg, Matthew G.; Stenbaek-Nielsen, Hans C. (2015-12-01)
      The purpose of this paper is to introduce electrical discharge phenomena known as transient luminous events above thunderstorms to the lightning protection community. Transient luminous events include the upward electrical ...