D
David R. Smith
Researcher at Duke University
Publications - 891
Citations - 102589
David R. Smith is an academic researcher from Duke University. The author has contributed to research in topics: Metamaterial & Antenna (radio). The author has an hindex of 110, co-authored 881 publications receiving 91683 citations. Previous affiliations of David R. Smith include Brunel University London & Princeton University.
Papers
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Operating data and pointing measurements of a large radio telescope
David R. Smith,Keith Weech,Jason R. Blough,Geoff Gwaltney,Chuck Van Karsen,CH Devries,Amy J. Lovell,Nobuharu Ukita,Hiroshi Matsuo,Hajime Ezawa +9 more
TL;DR: In this article, the authors identify the most significant structural contributors to wind-induced quasi-static and dynamic pointing errors and determine the relevant frequency range of the errors. But, it is not clear which structure is more important in windinduced errors.
Proceedings ArticleDOI
Millimetre wave front end receivers for the MWS and MWI instruments onboard MetOp-SG satellites
D. Klugmann,Simon Rea,Brian Moyna,Kai Parow-Souchon,M. Henry,Hui Wang,M. L. G. Oldfield,N. Brewster,P. Hunyor,M. Merritt,R. Green,David R. Smith,B.L. Davis,A. Obeed,M. Phillips,Mat Beardsley,J. Hampton,Brian N. Ellison,C. Howe,G. Burton,A. Marshall,B. Thomas,Michael Brandt,M. Philipp,G. Sonnabend,T. Stangier,R. Hammett,T. Decoopman,V. Kangas,Salvatore D'Addio,P. Piironen +30 more
TL;DR: The preliminary design of the receiver front-ends is now complete as discussed by the authors, and extensive tests on performance of the individual components, as well as of the assembled breadboard versions of the receivers have been performed.
Posted Content
Dynamic Metasurface Antennas for Uplink Massive MIMO Systems
TL;DR: In this paper, the authors study the implementation of massive MIMO antenna arrays using dynamic metasurface antennas (DMAs), an emerging technology which inherently handles the aforementioned challenges.
Posted Content
Nonlocality in metallo-dielectric multilayers: numerical tools and physical analysis
Jessica Benedicto,Rémi Pollès,Cristian Ciracì,Emmanuel Centeno,David R. Smith,Antoine Moreau +5 more
TL;DR: In this article, the impact of nonlocality arising from free electrons in metals on the optical properties of metallo-dielectric multilayers was quantitatively studied. But the results were limited to very thin (typically below 10 nm) metallic layers.
Posted Content
3D Conductive Polymer Printed Metasurface Antenna for Fresnel Focusing
Okan Yurduseven,Shengrong Ye,Thomas Fromenteze,Daniel L. Marks,Benjamin J. Wiley,David R. Smith +5 more
TL;DR: In this article, a 3D printed holographic metasurface antenna for beam-focusing applications at 10 GHz within the X-band frequency regime was demonstrated using a dual-material 3D printer leveraging a biodegradable conductive polymer material.