Browsing by Title Artículos de revistas

Now showing items 1305-1324 of 7549

    • Closed-loop adaptive high-starting torque scalar control scheme for induction motor variable speed drives 
      Travieso Torres, Juan Carlos; Duarte Mermoud, Manuel Armando; Díaz, Matías; Contreras Jara, Camilo; Hernández, Francisco (MDPI, 2022)
      This article proposes a closed-loop (CL) high-starting torque (HST) scalar control scheme (SCS) for induction motors (IM). It endows the recently proposed HST-SCS with high-output torque capability beyond starting after ...
    • Closing the Simulation-to-Reality Gap using Generative Neural Networks: Training Object Detectors for Soccer ... 
      Cruz N., Ruiz-Del-Solar J. (Institute of Electrical and Electronics Engineers Inc., 2020)
    • Closure type effects on the structural pattern of an inverted extensional basin of variable width: Results ... 
      Jara, Pamela; Likerman, Jeremías; Charrier González, Reynaldo; Herrera, Sebastián; Pinto, Luisa; Villarroel, Matías; Winocur, Diego (Elsevier Ltd, 2018)
      In order to further understand the controls on the structural configuration of inverted basins, previous research has vastly explored the role of rift-stage stress field variations on the resulting structure produced by ...
    • Cloud-scale ISM Structure and Star Formation in M51 
      Leroy, Adam K.; Schinnerer, Eva; Hughes, Annie; Kruijssen, J. M.Diederik; Meidt, Sharon; Schruba, Andreas; Sun, Jiayi; Bigiel, Frank; Aniano, Gonzalo; Blanc Mendiberri, Guillermo; Bolatto, Alberto; Chevance, Mélanie; Colombo, Dario; Gallagher, Molly; García Burillo, Santiago; Kramer, Carsten; Querejeta, Miguel; Pety, Jerome; Thompson, Todd A.; Usero, Antonio (Institute of Physics, 2017)
      We compare the structure of molecular gas at 40pc resolution to the ability of gas to form stars across the disk of the spiral galaxy M51. We break the PAWS survey into 370pc and 1.1kpc resolution elements, and within ...
    • Cloud-scale molecular gas properties in 15 nearby galaxies 
      Sun, Jiayi; Leroy, Adam K.; Schruba, Andreas; Rosolowsky, Erik; Hughes, Annie; Kruijssen, J. M. Diederik; Meidt, Sharon; Schinnerer, Eva; Blanc Mendiberri, Guillermo; Bigiel, Frank; Chevance, Melanie; Groves, Brent; Herrera, Cinthya N.; Hygate, Alexander P. S.; Pety, Jerome; Querejeta, Miguel; Usero, Antonio; Utomo, Dyas; Bolatto, Alberto D. (The American Astronomical Society, 2018-06-20)
      We measure the velocity dispersion, sigma, and surface density, Sigma, of the molecular gas in nearby galaxies from CO spectral line cubes with spatial resolution 45-120. pc, matched to the size of individual giant molecular ...
    • Clumpy photon-dominated regions in Carina - I. [C I] and mid-J CO lines in two 4'x4' fields 
      Bronfman Aguiló, Leonardo (EDP SCIENCES S A, 2008-01)
      Context. The Carina region is an excellent astrophysical laboratory for studying the feedback mechanisms of newly born, very massive stars within their natal giant molecular clouds (GMCs) at only 2.35 kpc distance. Aims. ...
    • Cluster difference imaging photometric survey. II. TOI 837: a young validated planet in IC 2602 
      Bouma, L. G.; Hartman, J. D.; Brahm, R.; Evans, P.; Collins, K. A.; Zhou, G.; Sarkis, P.; Quinn, S. N.; Leon, J. de; Livingston, J.; Bergmann, C.; Stassun, K. G.; Bhatti, W.; Winn, J. N.; Bakos, G. A.; Abe, L.; Crouzet, N.; Dransfield, G.; Guillot, T.; Marie-Sainte, W.; Mekarnia, D.; Triaud, A. H. M. J.; Tinney, C. G.; Henning, T.; Espinoza N., Arturo; Jordan, A.; Barbieri, M. A.; Nandakumar, S.; Trifonov, T.; Vines, J. I.; Vuckovic, M.; Ziegler, C.; Law, N.; Mann, A. W.; Ricker, G. R.; Vanderspek, R.; Seager, S.; Jenkins, J. M.; Burke, C. J.; Dragomir, D.; Levine, A. M.; Quintana, E. V.; Rodríguez, J. E.; Smith, J. C.; Wohler, B. (IOP Publishing, 2020)
      We report the discovery of TOI 837b and its validation as a transiting planet. We characterize the system using data from the NASA Transiting Exoplanet Survey Satellite mission, the ESA Gaia mission, ground-based photometry ...
    • A cluster in the making: ALMA reveals the initial conditions for high-mass cluster formation 
      Rathborne, Jill; Longmore, S. N.; Jackson, J. M.; Alves, J. F.; Bally, J.; Bastian, N.; Contreras, Y.; Foster, J. B.; Garay Brignardello, Guido; Kruijssen, J. M.; Testi, L.; Walsh, A. J. (IOP PUBLISHING LTD, 2015)
      G0.253+0.016 is a molecular clump that appears to be on the verge of forming a high-mass cluster: its extremely low dust temperature, high mass, and high density, combined with its lack of prevalent star formation, make ...
    • A cluster in the making: alma reveals the initial conditions for high-mass cluster formation. 
      Rathborne, Jill; Longmore, S. N.; Jackson, J. M.; Alves, J. F.; Bally, J.; Bastian, N.; Contreras, Y.; Foster, J. B.; Garay Brignardello, Guido; Kruijssen, J. M. D.; Testi, L.; Walsh, A. J. (2015-04-01)
      G0.253+0.016 is a molecular clump that appears to be on the verge of forming a high-mass cluster: its extremely low dust temperature, high mass, and high density, combined with its lack of prevalent star formation, make ...
    • A cluster of radio sources near GGD 14 
      Gómez, Y.; Rodríguez, L.F.; Garay Brignardello, Guido (The American Astronomical Society, 2000-03-10)
      We present sensitive Very Large Array (VLA) radio continuum observations at 3.6 cm toward the star-forming region GGD 14 (also known as GGD 12/13/14/15, G213.88-11.84, and AFGL 890). In addition to the previously known ...
    • Clustering based physical-layer authentication in edge computing systems with asymmetric resources 
      Chen, Yi; Wen, Hong; Wu, Jinsong; Song, Huanhuan; Xu, Aidong; Jiang, Yixin; Zhang, Tengyue; Wang, Zhen (MDPI AG, 2019)
      In this paper, we propose a clustering based physical-layer authentication scheme (CPAS) to overcome the drawback of traditional cipher-based authentication schemes that suffer from heavy costs and are limited by ...
    • Clustering of floaters on the free surface of a turbulent flow: An experimental study 
      Gutiérrez Matus, Pablo Andrés; Aumaitre, Sébastien (Elsevier, 2016)
      We present an experimental study of the statistical properties of millimeter-size spheres floating on the surface of a turbulent flow. The flow is generated in a layer of liquid metal by an electromagnetic forcing. By using ...
    • Clustering of intermediate-luminosity x-ray-selected active galactic nuclei at z similar to 3 
      Francke Henriquez, Harold; Gawiser, Eric; Lira Teillery, Paulina; Treister, Ezequiel; Virani, Shanil N.; Cardamone, Carie; Urry, C. Megan; van Dokkum, Pieter; Quadri, Ryan (UNIV CHICAGO PRESS, 2008-01-20)
      We present the first clustering results of X-ray-selected active galactic nuclei (AGNs) at z similar to 3. Using Chandra X-ray imaging and UVR optical colors from MUSYC photometry in the Extended Chandra Deep Field-South ...
    • Clustering of K-selected galaxies at 2 < z < 3.5: Evidence for a color-density relation 
      Quadri, Ryan; van Dokkum, Pieter; Gawiser, Eric; Franx, Marijn; Marchesini, Danilo; Lira Teillery, Paulina; Rudnick, Gregory; Herrera, David; Maza Sancho, José; Kriek, Mariska; Labbé, Ivo; Francke Henriquez, Harold (UNIV CHICAGO PRESS, 2007-01-01)
      We study the clustering properties of K-selected galaxies at 2 < z < 3:5 using deep multiwavelength imaging in three fields from the MUSYC survey. These are the first measurements to probe the spatial correlation function ...
    • Clustering-based searching and navigation in an online news source 
      Smith, Simón C.; Rodríguez, Andrea (SPRINGER-VERLAG BERLIN, 2006)
      The growing amount of online news posted on the WWW demands new algorithms that support topic detection, search, and navigation of news documents. This work presents an algorithm for topic detection that considers the ...
    • Cm-wavelength observations of MWC 758: Resolved dust trapping in a vortex 
      Casassus Montero, Simón; Marino, Sebastián; Lyra, Wladimir; Baruteau, Clément; Vidal, Matías; Wootten, Alwyn; Pérez, Sebastián; Alarcon, Felipe; Barraza, Marcelo; Cárcamo, Miguel; Dong, Ruobing; Sierra, Anibal; Zhu, Zhaohuan; Ricci, Luca; Christiaens, Valentin; Cieza, Lucas (Oxford University Press, 2019)
      © 2018 The Author(s)The large crescents imaged by ALMA in transition discs suggest that azimuthal dust trapping concentrates the larger grains, but centimetre–wavelengths continuum observations are required to map the ...
    • CO and CS in the Magellanic Clouds: ax(2)-analysis of multitransitional data based on the MEP radiative ... 
      Nikolic, Silvana; Garay Brignardello, Guido; Rubio López, Mónica; Johansson, L. E. B. (2007)
      Aims. Our goal is to determine the physical properties of molecular gas located in different environments of the SMC-from near the vicinity of hot HII regions to cold, quiescent clouds - via modelling and simulations, and ...
    • CO and dust properties in the TW hya disk from high-resolution ALMA observations 
      Huang, Jane; Andrews, Sean M.; Cleeves, L. Ilsedore; Oberg, Karin I.; Wilner, David J.; Bai, Xuenin; Birnstiel, Til; Carpenter, John; Hughes, A. Meredith; Isella, Andrea; Pérez Muñoz, Laura; Ricci, Luca; Zhu, Zhaohuan (IOP Publishing Ltd, 2018)
      We analyze high angular resolution ALMA observations of the TW Hya disk to place constraints on the CO and dust properties. We present new, sensitive observations of the (CO)-C-12 J = 3 - 2 line at a spatial resolution of ...
    • Co gas inside the protoplanetary disk cavity in HD142527: disk structure from ALMA 
      Pérez, S.; Casassus Montero, Simón; Ménard, Francois; Román, P.; Van der Plas, Gerrit; Cieza, L.; Pinte, Christophe; Christiaens, V.; Hales, A. (IOP Pub, 2015)
      Inner cavities and annular gaps in circumstellar disks are possible signposts of giant planet formation. The young star HD142527 hosts a massive protoplanetary disk with a large cavity that extends up to 140 AU from the ...
    • The CO J = 21 / J = 10 Ratio in the Large Magellanic Cloud 
      Sorai, K.; Hasegawa, T.; Booth, Roy S.; Rubio López, Mónica; Morino, J. I.; Bronfman Aguiló, Leonardo; Handa, T.; Hatashi, M.; Nyman, L. A.; Oka, T.; Sakamoto, S.; Seta, M.; Usuda, K. S. (2001-04-20)
      We observed 34 positions throughout the disk of the Large Magellanic Cloud in the CO J = 21 emission line with the Tokyo-Onsala-ESO-Calán 60 cm radio telescope. Comparing the spectra with those of the J = 10 line at the ...