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Browsing MIT Open Access Articles by Title

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  • Person, Michael J.; Bosh, Amanda S.; Levine, Stephen E.; Gulbis, Amanda A. S.; Zangari, A. M.; Zuluaga, Carlos Andres; Sallum, S.; Springmann, A. (IOP Publishing, 2013-08)
    On 2011 June 23, stellar occultations by both Pluto (this work) and Charon (future analysis) were observed from numerous ground stations as well as the Stratospheric Observatory for Infrared Astronomy (SOFIA). This first ...
  • Letchford, Adam N; Lasserre, Jean B; Steurer, David; Letchford, Adam N.; Lasserre, Jean B.; Parrilo, Pablo A. (Springer Berlin Heidelberg, 2015-03)
    The rapidly growing field of polynomial optimisation (PO) is concerned with optimisation problems in which the objective and constraint functions are all polynomials. There are applications of PO in a surprisingly wide ...
  • Anand, Lallit (ASME International, 2015-08)
    The purpose of this brief paper is to present a new derivation of Biot's theory of linear poroelasticity (Biot, M., 1935, “Le Probleḿe de la Consolidation des Matiéres Argileuses Sous une Charge,” Ann. Soc. Sci. Bruxelles,B55, ...
  • Greenwald, Martin J.; Baek, Seung Gyou; Barnard, Harold; Beck, William K.; Bonoli, Paul T.; Brunner, Daniel Frederic; Burke, William M.; Ennever, Paul Chappell; Ernst, Darin R.; Faust, Ian Charles; Fiore, Catherine; Fredian, Thomas W.; Gao, Chi; Golfinopoulos, Theodore; Granetz, Robert S.; Hartwig, Zachary; Hubbard, Amanda E.; Hughes, Jerry W., Jr.; Hutchinson, Ian H.; Irby, James Henderson; Labombard, Brian; Li, Chikang; Lin, Yijun; Marmar, Earl S.; Mumgaard, Robert Thomas; Parker, Ronald R.; Porkolab, Miklos; Rice, John E.; Shiraiwa, Shunichi; Sierchio, Jennifer M.; Sorbom, Brandon Nils; Stillerman, Joshua A.; Sung, Choongki; Terry, David Rankin; Terry, James L.; Vieira, Rui F.; Walk, John R., Jr.; Wallace, Gregory Marriner; White, Anne E.; Whyte, Dennis G.; Wolfe, Stephen M.; Wright, Graham; Wright, John C.; Wukitch, Stephen James (American Institute of Physics (AIP), 2014-11)
    The object of this review is to summarize the achievements of research on the Alcator C-Mod tokamak [Hutchinson et al., Phys. Plasmas 1, 1511 (1994) and Marmar, Fusion Sci. Technol. 51, 261 (2007)] and to place that research ...
  • Lu, Rusen; Fish, Vincent L.; Doeleman, Sheperd Samuel; Cappallo, Roger J.; Crew, Geoffrey B.; Rogers, Alan E. E.; SooHoo, Jason G.; Titus, Michael A. (IOP Publishing, 2015-07)
    We report on 230 GHz (1.3 mm) very long baseline interferometry (VLBI) observations of M87 with the Event Horizon Telescope using antennas on Mauna Kea in Hawaii, Mt. Graham in Arizona, and Cedar Flat in California. For ...
  • Tikekar, Mehul; Huang, Chao-Tsung; Sze, Vivienne; Chandrakasan, Anantha P.; Juvekar, Chiraag Shashikant (Institute of Electrical and Electronics Engineers (IEEE), 2013-10)
    High Efficiency Video Coding, the latest video standard, uses larger and variable-sized coding units and longer interpolation filters than [H.264 over AVC] to better exploit redundancy in video signals. These algorithmic ...
  • Huang, Chao-Tsung; Tikekar, Mehul; Juvekar, Chiraag Shashikant; Sze, Vivienne; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2013-02)
    The latest video coding standard High Efficiency Video Coding (HEVC) provides 50% improvement in coding efficiency compared to H.264/AVC, to meet the rising demand for video streaming, better video quality and higher ...
  • Paidimarri, Arun; Mercier, Patrick Philip; Chandrakasan, Anantha P.; Nadeau, Phillip (Institute of Electrical and Electronics Engineers (IEEE), 2013-01)
    A 2.4 GHz TX in 65 nm CMOS defines three channels using three high-Q FBARs and supports OOK, BPSK and MSK. The oscillators have -132 [dBc over Hz] phase noise at 1 MHz offset, and are multiplexed to an efficient resonant ...
  • Gupta, Amar (IEEE Computer Society, 2009-01)
    Collaborating centers in time zones six to eight hours apart can transfer work so that every center is working during the daytime. Although this concept avoids the hazards of night work, it requires careful planning and a ...
  • Barnes, Alexander B.; Nanni, Emilio Alessandro; Herzfeld, Judith; Temkin, Richard J.; Griffin, Robert Guy (Elsevier, 2012-03)
    We describe the design and implementation of a novel tunable 250 GHz gyrotron oscillator with >10 W output power over most of a 3 GHz band and >35 W peak power. The tuning bandwidth and power are sufficient to generate a ...
  • Rivers, Alec Rothmyer; Igarashi, Takeo; Durand, Fredo (Association for Computing Machinery (ACM), 2010-07)
    We present a way to bring cartoon objects and characters into the third dimension, by giving them the ability to rotate and be viewed from any angle. We show how 2D vector art drawings of a cartoon from different views can ...
  • Godoy, Philip Andrew; Chung, SungWon; Barton, Taylor W.; Perreault, David J.; Dawson, Joel L.; Perron, J. Taylor (Institute of Electrical and Electronics Engineers (IEEE), 2011-01)
    We present a high-efficiency transmitter based on asymmetric multilevel outphasing (AMO). AMO transmitters improve their efficiency over LINC (linear amplification using nonlinear components) transmitters by switching the ...
  • Biswas, Avishek; Sinangil, Yildiz; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2014-09)
    This paper presents a fully integrated, reconfigurable switched-capacitor based step-up DC-DC converter in a 28nm FDSOI process. Three reconfigurable step-up conversion ratios (5/2, 2/1, 3/2) have been implemented which ...
  • Courtes, Franck C.; Gu, Chen; Wong, Niki S.C.; Dedon, Peter C.; Yap, Miranda G.S.; Lee, Dong-Yup (Elsevier, 2014-01)
    The mTOR pathway is a conserved master regulator of translational activity that influences the fate of industrially relevant CHO cell cultures, yet its molecular mechanisms remain unclear. Interestingly, rapamycin specific ...
  • Weinstein, Dana; Popa, Laura Cornelia (Institute of Electrical and Electronics Engineers (IEEE), 2013-07)
    A 2D electron gas (2DEG) interdigitated transducer (IDT) in Gallium Nitride (GaN) resonators is introduced and demonstrated. This metal-free transduction does not suffer from the loss mechanisms associated with more commonly ...
  • Emelianova, E.V.; Athanasopoulos, S.; Silbey, Robert J.; Beljonne, D. (American Physical Society, 2010-05)
    A number of organic crystals show anisotropic excitonic couplings, with weak interlayer interactions between molecules that are more strongly coupled within the layers. The resulting energy carriers are intralayer 2D ...
  • Meyer, Aaron Samuel; Hughes-Alford, Shannon Kay; Kay, Jennifer Elizabeth; Castillo, Amalchi; Wells, Alan; Gertler, Frank; Lauffenburger, Douglas A. (Rockefeller University Press, The, 2012-06)
    Growth factor–induced migration is a critical step in the dissemination and metastasis of solid tumors. Although differences in properties characterizing cell migration on two-dimensional (2D) substrata versus within ...
  • Shin, David; Mueller, Peter (International Union of Crystallography (IUCr), 2012-08)
    The structure of ortho-vanillin, C[subscript 8]H[subscript 8]O[subscript 3], has been revisited with modern methods and at low temperature (100 K). The previous structure [Iwasaki et al. (1976). Acta Cryst. B32, 1264-1266] ...
  • Cushing, Michael C.; Looper, Dagny L.; Burgasser, Adam J.; Kirkpatrick, J. Davy; Faherty, Jacqueline K.; Cruz, Kelle L.; Sweet, Anne; Sanderson, Robyn Ellyn (American Astronomical Society, 2009-04)
    We present the serendipitous discovery of an L subdwarf in the Two Micron All Sky Survey (2MASS) J06164006–6407194, in a search of the 2MASS for T dwarfs. Its spectrum exhibits features indicative of both a cool and metal ...
  • Gelino, Christopher R.; Burgasser, Adam J. (IOP Publishing, 2010-05)
    We identify the L dwarf 2MASS J20261584–2943124 as an unresolved spectral binary, based on low-resolution, near-infrared spectroscopy from IRTF/SpeX. The data reveal a peculiar absorption feature at 1.6 μm, previously noted ...
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