Ebola outbreak in Nigeria: Volunteer health advisors as information disseminators

Autor: U. Patel, C. Caius.I Ihesiaba, F.U. Oduenyi, A.T. Hunt, D. Patel, J. Pharr, M. Obiefune, N. Chukwumerije, E.E. Ezeanolue

Publikováno v: Annals of Global Health, Vol 81, Iss 1, Pp 7-8 (2015)

Externí odkaz: https://doaj.org/article/85e03b7a34584a96b7d40d1d66346974

Two-Pole $X$-Band-Tunable Ferroelectric Filters With Tunable Center Frequency, Fractional Bandwidth, and Return Loss

Autor: A.T. Hunt, Kwang Choi, Zhiyong Zhao, Yuan Li, Stanis Courreges, John Papapolymerou

Publikováno v: IEEE Transactions on Microwave Theory and Techniques
IEEE Transactions on Microwave Theory and Techniques, Institute of Electrical and Electronics Engineers, 2009, ⟨10.1109/TMTT.2009.2034046⟩

Two two-pole X-band-tunable ferroelectric filters with constant fractional bandwidths and constant return losses are presented in this paper. The center frequency, the fractional bandwidth, and the return loss of the filters are tuned simultaneously

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::362ba82872f53a14877e681bdc96b079
https://doi.org/10.1109/tmtt.2009.2034046

Frequency and Bandwidth Agile Millimeter-Wave Filter Using Ferroelectric Capacitors and MEMS Cantilevers

Autor: Guoan Wang, C. Lugo, Zhiyong Zhao, Xiaoyan Wang, A.T. Hunt, John Papapolymerou

Publikováno v: IEEE Transactions on Microwave Theory and Techniques. 55:376-382

This paper demonstrates for the first time a tunable bandpass filter with simultaneous frequency and bandwidth control using a combination of ferroelectric barium-strontium-titanate capacitors and cantilever microelectromechanical systems (MEMS) swit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8894ddb49b56f176e3aa8827195e1bfc
https://doi.org/10.1109/tmtt.2006.889320

Low-cost combustion chemical vapor deposition of epitaxial buffer layers and superconductors

Autor: Mariappan Parans Paranthaman, Shara S. Shoup, Amit Goyal, D. Cousins, A.T. Hunt, Patrick M Martin, D. M. Kroeger, S. Shanmugham

Publikováno v: IEEE Transactions on Appiled Superconductivity. 9:2426-2429

A new low-cost, open-atmosphere deposition technique, combustion chemical vapor deposition (CCVD) is used to deposit epitaxial buffer layers and high-temperature superconductors on oxide single-crystal substrates. The CCVD process has the potential f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2eaafcedd74e6e11a46ab5042b86f1b
https://doi.org/10.1109/77.784963

A Ka-Band electronically tunable ferroelectric filter

Autor: Yuan Li, John Papapolymerou, S. Horst, Stanis Courreges, John D. Cressler, Kwang Choi, Zhiyong Zhao, A.T. Hunt

Publikováno v: IEEE Microwave and Wireless Components Letters
IEEE Microwave and Wireless Components Letters, Institute of Electrical and Electronics Engineers, 2009, 19 (6), pp.356-358. ⟨10.1109/LMWC.2009.2020012⟩

This letter presents a three-pole tunable Ka-band coplanar filter that includes six high-Q BST ferroelectric capacitors. It tunes from 29 GHz up to 34 GHz (17%) with low bias voltages ranging from 0 V to 30 V. The filter has fractional bandwidths of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a996b22f792e59f0bc6445600ea0314
https://hal-unilim.archives-ouvertes.fr/hal-00437926