Browsing University of Hertfordshire by Title

Now showing items 4080-4099 of 24081

    • Cool companions to hot white dwarfs 

      Green, P.J.; Ali, B.; Napiwotzki, R. (2000)
      Low-mass companions to high-mass stars are difficult to detect, which is partly why the binary fraction for high-mass stars is still poorly constrained. Low-mass companions can be detected more easily however, once high-mass ...

    • Cool dwarfs stars from the Torino Observatory Parallax Program 

      Smart, R.L.; Ioannidis, G.; Jones, H.R.A.; Bucciarelli, B.; Lattanzi, M.G. (2010)
      Aims. We investigate and parameterize high proper motion red stars in the Torino Observatory Parallax Program. Methods. Observations of 27 objects were made over the period 1994–2001 on the 1.05 m Torino telescope. The ...

    • Cool Gas and Massive Stars: The Nucleur Ring in M100 

      Allard, E.L.; Peletier, R.F.; Knapen, J. (2005-11)

    • Cool Jupiters greatly outnumber their toasty siblings : Occurrence rates from the Anglo-Australian Planet Search 

      Wittenmyer, Robert A.; Wang, Songhu; Horner, Jonathan; Butler, R. P.; Tinney, C. G.; Carter, B. D.; Wright, D. J.; Jones, H. R. A.; Bailey, J.; O'Toole, S. J.; Johns, Daniel (2020-02-01)
      Our understanding of planetary systems different to our own has grown dramatically in the past 30 yr. However, our efforts to ascertain the degree to which the Solar system is abnormal or unique have been hindered by the ...

    • The cool phase of the interstellar medium : Atomic gas 

      Brinks, E. (Kluwer, 1990)

    • The cool wake around 4c 34.16 as seen by XMM-Newton 

      Sakelliou, I.; Acreman, D.M.; Hardcastle, M.J.; Merrifield, M.; Ponman, T.J.; Stevens, I.R. (2005-07)

    • Cooled solar PV panels for output energy efficiency optimisation 

      Peng, Zhijun; Herfatmanesh, Mohammad; Liu, Yiming (2017-10-15)
      As working temperature plays a critical role in influencing solar PV’s electrical output and efficacy, it is necessary to examine possible way for maintaining the appropriate temperature for solar panels. This research is ...

    • Cooper, James Fenimore, 1789-1851 

      Hughes, Rowland (Chadwyck-Healey, 2001)

    • Cooper, James Fenimore, 1789-1851 : American novelist 

      Hughes, Rowland (Fitzroy Dearborn, 2004)

    • Cooperation and antagonism in information exchange in a growth scenario with two species 

      Burgos, Andrés C.; Polani, Daniel (2016-06-21)
      We consider a simple information-theoretic model of communication, in which two species of bacteria have the option of exchanging information about their environment, thereby improving their chances of survival. For this ...

    • Cooperative 5G Switched and adaptive receiver beamforming for fibre wireless networks 

      Pitakandage, T.; Milosavljevic, Milos; Kourtessis, Pandelis; Senior, John (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      This paper introduces an eNodeB receiver beamforming technique to mitigate future 5G network uplink inter-cell interference. This technique is based on the concept of smart antennas, improving the uplink signal-to-interference ...

    • Cooperative cyclic sleep and doze mode selection for NG-PONs 

      Nauka, D.; Fernando, V.; Milosavljevic, Milos; Kourtessis, Pandelis; Senior, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      This paper presents an energy efficient medium access control (MAC) protocol exhibiting intelligent switching among optical network unit (ONU) transceiver power levels. This is implemented by introducing a new methodology ...

    • Cooperative uplink Inter-cell interference (ICI) mitigation in 5G Fibre Wireless (FiWi) Networks 

      Pitakandage, T.; Milosavljevic, Milos; Kourtessis, Pandelis; Senior, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      This paper presents a novel cooperative uplink inter-cell interference (ICI) mitigation algorithm based on joint reception at the base station using receiver adaptive beamforming in a Cloud Radio Access Network (CRAN). In ...

    • Cooperative Uplink Inter-Cell Interference (ICI) Mitigation in 5G Networks 

      Pitakanda, Pitakandage Tinith Asanga (2017-04-19)
      In order to support the new paradigm shift in fifth generation (5G) mobile communication, radically different network architectures, associated technologies and network operation algorithms, need to be developed compared ...

    • Coordinated multisite observations of the variability of BL Lac 

      Brindle, C.; Hough, J.; Bailey, J.; Axon, D.J.; Schulz, H.; Kikuchi, S.; McGraw, J.T.; Wisniewski, W.J.; Fontaine, J.; Nadesu, D.; Clayton, G.; Anderson, E.; Jameson, R.F.; Nadesu, D.; Clayton, G.; Anderson, E.; Jameson, R.F.; Smith, R.; Wallis, R.E. (1985)
      The authors present the results of multisite observations of the optical polarization of BL Lac, together with some flux measurements, at a time when BL Lac was relatively faint. The level of polarization varies in a manner ...

    • The Coordinated Radio and Infrared Survey for High-Mass Star Formation (The CORNISH Survey). I : Survey Design 

      Hoare, M.G.; Purcell, C.R.; Churchwell, E.B.; Diamond, P.; Cotton, W.D.; Chandler, C.J.; Smethurst, S.; Kurtz, S.E.; Mundy, L.G.; Dougherty, S.M.; Fender, R.P.; Fuller, G.A.; Jackson, J.M.; Garrington, S.T.; Gledhill, T.; Goldsmith, P.F.; Lumsden, S.L.; Martí, J.; Moore, T.J.T.; Muxlow, T.W.B.; Oudmaijer, R.D.; Pandian, J.D.; Paredes, J.M.; Shepherd, D.S.; Spencer, R.E.; Thompson, M.A.; Umana, G.; Urquhart, J.S.; Zijlstra, A.A. (2012-09-01)
      We describe the motivation, design, and implementation of the CORNISH survey, an arcsecond-resolution radio continuum survey of the inner galactic plane at 5 GHz using the Very Large Array (VLA). It is a blind survey ...

    • The Coordinated Radio and Infrared Survey for High-mass Star Formation II : Source Catalog 

      Purcell, C.R.; Hoare, M.G.; Cotton, W.D.; Lumsden, S. L.; Urquhart, J.S.; Chandler, C.; Churchwell, E.B.; Diamond, P.; Dougherty, S.M.; Fender, R.P.; Fuller, G.; Garrington, S.T.; Gledhill, T.; Goldsmith, P.F.; Hindson, L.; Jackson, J.M.; Kurtz, S.E.; Martí, J.; Moore, T.J.T.; Mundy, L.G.; Muxlow, T.W.B.; Oudmaijer, R.D.; Pandian, J.D.; Paredes, J.M.; Shepherd, D.S.; Smethurst, S.; Spencer, R.E.; Thompson, M.A.; Umana, G.; Zijlstra, A.A. (2013-03-01)
      The CORNISH project is the highest resolution radio continuum survey of the Galactic plane to date. It is the 5 GHz radio continuum part of a series of multi-wavelength surveys that focus on the northern GLIMPSE region ...

    • Coordinating Data Parallel SAC Programs with S-Net 

      Grelck, C.; Scholz, S.; Shafarenko, A. (Institute of Electrical and Electronics Engineers (IEEE), 2007)

    • Copenhagen Consensus statement 2019: physical activity and ageing 

      Bangsbo, Jens; Blackwell, Joanna; Boraxbekk, Carl-Johan; Caserotti, Paolo; Dela, Flemming; Evans, Adam; Pernille Jespersen, Astrid; Gliemann, Lasse; Kramer, Arthur; Lundbye-Jensen, Jesper; Lykke Mortensen, Erik; Juul Lassen, Aske; Gow, Alan; Harridge, Stephen; Hellsten, Ylva; Kjaer, Michael; Kujala, Urho; Rhodes, Ryan; Pike, Elizabeth; Skinner, Timothy; Skovgaard, Thomas; Troelsen, Jens; Tulle, Emmanuelle; Tully, Mark; van Uffelen, Jannique; Vina, Jose (2019-07-01)
      From 19th to 22nd November 2018, 26 researchers representing nine countries and a variety of academic disciplines met in Snekkersten, Denmark, to reach evidence-based consensus about physical activity and older adults. It ...

    • Coping Strategies to Enhance the Mental Wellbeing of Sexual and Gender Minority Youths: A Scoping Review 

      Lucassen, Mathijs F. G.; Núñez-García, Alicia; Rimes, Katharine A.; Wallace, Louise M.; Brown, Katherine E.; Samra, Rajvinder (2022-07)
      Robust population-based research has established that sexual and gender minority youths (SGMYs) are at an increased risk of mental ill-health, but there is a dearth of literature that seeks to explore how to best support ...