Now showing items 21145-21164 of 32317

    • An overlay architecture for throughput optimal multipath routing 

      Jones, Nathaniel M.; Paschos, Georgios S.; Shrader, Brooke E.; Modiano, Eytan H. (Association for Computing Machinery (ACM), 2014-08)
      Legacy networks are often designed to operate with simple single-path routing, like shortest-path, which is known to be throughput suboptimal. On the other hand, previously proposed throughput optimal policies (i.e., ...
    • Overlimiting Current and Shock Electrodialysis in Porous Media 

      Deng, Daosheng; Dydek, E. Victoria; Han, Ji-Hyung; Schlumpberger, Sven; Mani, Ali; e.a. (American Chemical Society (ACS), 2013-12)
      Most electrochemical processes, such as electrodialysis, are limited by diffusion, but in porous media, surface conduction and electroosmotic flow also contribute to ionic flux. In this article, we report experimental ...
    • Overlimiting Current in a Microchannel 

      Rubinstein, Isaak; Dydek, E. Victoria; Zaltzman, Boris; Deng, Daosheng; Mani, Ali; e.a. (American Physical Society (APS), 2011-09)
      We revisit the classical problem of diffusion-limited ion transport to a membrane (or electrode) by considering the effects of charged sidewalls. Using simple mathematical models and numerical simulations, we identify three ...
    • An overmoded 140 GHz, 1 kW quasioptical gyro-TWT with an internal mode converter 

      Kim, Hae Jin; Joye, Colin D.; Shapiro, Michael; Sirigiri, Jagadishwar R.; Temkin, Richard J.; e.a. (Institute of Electrical and Electronics Engineers, 2009-11)
      The design and experimental study of a 140 GHz, 1 kW gyro-traveling wave tube (Gyro-TWT) operating in the HE[subscript 06] mode of a confocal waveguide is presented. A combination of quasioptical gain sections with ...
    • Oversampling transmit and receive antenna arrays 

      Wornell, Gregory W.; Zheng, Lizhong; Yeang, Chen-Pang (Institute of Electrical and Electronics Engineers (IEEE), 2010-06)
      A dense antenna array architecture is developed to ease the circuit requirements of the radio frequency (RF) front-end in beamforming applications. In the architecture, antennas are spaced more closely than would otherwise ...
    • Overscreened Kondo fixed point in S = 1 spin liquid 

      Serbyn, Maksym; Lee, Patrick A.; Todadri, Senthil (American Physical Society, 2013-07)
      We propose a possible realization of the overscreened Kondo impurity problem by a magnetic s = 1/2 impurity embedded in a two-dimensional S = 1 U(1) spin liquid with a Fermi surface. This problem contains an interesting ...
    • Overstable librations can account for the paucity of mean motion resonances among exoplanet pairs 

      Goldreich, Peter; Schlichting, Hilke (IOP Publishing, 2014-01)
      We assess the multi-planet systems discovered by the Kepler satellite in terms of current ideas about orbital migration and eccentricity damping due to planet–disk interactions. Our primary focus is on first order mean ...
    • OVERTONE AND MULTI-MODE RR LYRAE STARS IN THE GLOBULAR CLUSTER M3 

      Jurcsik, J.; Smitola, P.; Hajdu, G.; Nuspl, J.; Kolenberg, K.; e.a. (2015-08)
      The overtone and multi-mode RR Lyrae stars in the globular cluster M3 are studied using a 200 day long, B, V, and I[subscript C] time-series photometry obtained in 2012. 70% of the 52 overtone variables observed show some ...
    • Overturning circulation driven by breaking internal waves in the deep ocean 

      Nikurashin, Maxim Anatolevich; Ferrari, Raffaele (American Geophysical Union (AGU), 2013-06)
      A global estimate of the water-mass transformation by internal wave-driven mixing in the deep ocean is presented. The estimate is based on the energy conversion from tidal and geostrophic motions into internal waves combined ...
    • Overview of ASDEX Upgrade results 

      White, Anne E. (IOP Publishing, 2017-06)
      The ASDEX Upgrade (AUG) programme is directed towards physics input to critical elements of the ITER design and the preparation of ITER operation, as well as addressing physics issues for a future DEMO design. Since 2015, ...
    • An Overview of Bayesian Methods for Neural Spike Train Analysis 

      Chen, Zhe (Hindawi Publishing Corporation, 2013)
      Neural spike train analysis is an important task in computational neuroscience which aims to understand neural mechanisms and gain insights into neural circuits. With the advancement of multielectrode recording and imaging ...
    • Overview of experimental results in Pb-Pb collisions at √s NN = 2.76 TeV by the CMS Collaboration 

      Wyslouch, Boleslaw (IOP Publishing, 2011-11)
      The CMS experiment at the LHC is a general-purpose apparatus with a set of large acceptance and high granularity detectors for hadrons, electrons, photons and muons, providing unique capabilities for both proton–proton and ...
    • Overview of Hybrid Ventilation Control System and Full Scale Monitoring 

      Ray, Stephen D.; Fukuda, Masashi; Menchaca-Brandan, Maria-Alejandra; Hasegawa, Iwao; Glicksman, Leon R.; e.a. (American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), 2013)
      Mix-mode or hybrid ventilation systems have been previously shown to reduce cooling and ventilation energy consumption. This paper presents a case study of a new ten story 83,700 ft² (7,780 m²) office building in downtown ...
    • Overview of Ice Nucleating Particles 

      Kanji, Zamin A.; Ladino, Luis A.; Wex, Heike; Boose, Yvonne; Burkert-Kohn, Monika; e.a. (American Meteorological Society, 2017-05)
      Ice particle formation in tropospheric clouds significantly changes cloud radiative and microphysical properties. Ice nucleation in the troposphere via homogeneous freezing occurs at temperatures lower than −38°C and ...
    • Overview of metrics and their correlation patterns for multiple-metric topology analysis on heterogeneous graph ensembles 

      Bounova, Gergana; de Weck, Olivier L. (American Physical Society, 2012-01)
      This study is an overview of network topology metrics and a computational approach to analyzing graph topology via multiple-metric analysis on graph ensembles. The paper cautions against studying single metrics or combining ...
    • An Overview of Resonant Circuits for Wireless Power Transfer 

      Jiang, Chaoqiang; Chau, K. T.; Liu, Chunhua; Lee, Ho Tin (Multidisciplinary Digital Publishing Institute (MDPI), 2017-06)
      With ever-increasing concerns for the safety and convenience of the power supply, there is a fast growing interest in wireless power transfer (WPT) for industrial devices, consumer electronics, and electric vehicles (EVs). ...
    • Overview of Security Plan for Offshore Floating Nuclear Plant 

      Birch, Arthur; Isdanavich, Thomas; Thomas, Ron; Stevens, Harvey; Kindfuller, Vincent J.; e.a. (ASME International, 2016-06)
      A new Offshore Floating Nuclear Plant (OFNP) concept with high potential for attractive economics and an unprecedented level of safety is presented, along with an overview of work done in the area of security. The OFNP ...
    • Overview of the 2010 Carbonaceous Aerosols and Radiative Effects Study (CARES) 

      Cziczo, Daniel James (Copernicus GmbH, 2012-08)
      Substantial uncertainties still exist in the scientific understanding of the possible interactions between urban and natural (biogenic) emissions in the production and transformation of atmospheric aerosol and the resulting ...
    • Overview of the Colombian indigenous movement 

      Jackson, Jean E. (Universitat de Valencia, 2011-01)
      1. INTRODUCTION This essay examines the emergence of Colombia’s indigenous people as a political force, focusing in particular on the unequal relationship between indigenous communities (pueblos) and the state, as well ...
    • An overview of the ITER electron cyclotron H&CD system 

      Henderson, M.; Albajar, F.; Alberti, S.; Baruah, U.; Bigelow, T.; e.a. (Institute of Electrical and Electronics Engineers (IEEE), 2009-11)
      This paper reviews the design and functionality of the 24 MW 170 GHz electron cyclotron heating and current drive system being planned for the ITER Tokamak. The sub-systems (power supplies, gyrotrons, transmission lines ...