Search Results - "POLAKOS, P. A"
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High power failure of superconducting microwave filters: Investigation by means of thermal imaging
Published in Applied physics letters (22-07-1996)“…We have investigated power handling of high-temperature superconducting microstrip filters employing highly sensitive thermal imaging. At low power, the images…”
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Journal Article -
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High-resolution patterning of high Tc superconductors
Published in Applied physics letters (31-07-1989)“…A 20 keV Ga focused ion beam has been used to pattern superconducting submicrometer bridge structures in thin films of Ba2YCu3O7 material by physical…”
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A method to measure the complex permeability of thin films at ultra-high frequencies
Published in IEEE transactions on magnetics (01-09-1996)“…A swept frequency method for measuring the magnetic permeability of thin films for frequencies up to 2 GHz with a resolution at 1 GHz of /spl sim/0.1 /spl mu/m…”
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Transmit filters for wireless basestations
Published in IEEE transactions on applied superconductivity (01-06-1999)“…Transmit filters for PCS basestation applications will be required to handle peak power levels up to hundreds of watts. To achieve this goal, filters based on…”
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Journal Article Conference Proceeding -
5
Controllable reduction of critical currents in YBa2Cu3O7-δ films
Published in Applied physics letters (12-09-1988)“…The critical currents in high quality thin films of the high Tc superconductor, YBa2Cu3O7−δ, can be controllably reduced by orders of magnitude using ion…”
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Electrical characteristics of thin-film Ba2YCu3O7 superconducting ring resonators
Published in IEEE microwave and guided wave letters (1991)Get full text
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Measurement of π ± p Backward Elastic Scattering between 30 and 90 GeV/ c
Published in Physical review letters (01-01-1979)Get full text
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Pion-proton backward elastic scattering between 30 and 90 GeV/ c
Published in Physical review. D, Particles and fields (01-05-1983)Get full text
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High-Resolution Patterning of High T sub c Superconductors
Published in Applied physics letters (31-07-1989)“…A 20 keV Ga focused ion beam was used to pattern superconducting submicrometer bridge structures in thin films of Ba sub 2 YCu sub 3 O sub 7 material by…”
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Journal Article -
11
High-resolution patterning of high T c superconductors
Published in Applied physics letters (31-07-1989)“…We have used a 20 keV Ga focused ion beam to pattern superconducting submicrometer bridge structures in thin films of Ba2YCu3O7 material by physical…”
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Journal Article -
12
Dynamic optimization in future cellular networks
Published in Bell Labs technical journal (2005)“…With multiple air-interface support capabilities and higher cell densities, future cellular networks will offer a diverse spectrum of user services. The…”
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Increased transition temperature in in situ coevaporated YBa2Cu3O7−δ thin films by low temperature post-annealing
Published in Applied physics letters (19-09-1994)“…In situ coevaporated YBa2Cu3O7−δ thin films have a slightly depressed transition temperature Tc, though they have excellent radio-frequency surface resistance…”
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The new paradigm for wireless network optimization: a synergy of automated processes and human intervention
Published in IEEE communications magazine (01-03-2005)“…With the evolution of wireless technologies, the optimization process for the radio access network has undergone a dramatic increase in complexity. This trend…”
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Magazine Article -
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Capacity estimation for growth planning of cellular networks in the presence of temporal and spatial traffic fluctuations
Published in 2005 IEEE 61st Vehicular Technology Conference (2005)“…Mobile traffic patterns are subject to rapid fluctuations over time, hence making network growth planning a cumbersome task for cellular-network providers. We…”
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Conference Proceeding -
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Electrical characteristics of thin-film Ba sub(2)YCu sub(3)O sub(7) superconducting ring resonators
Published in IEEE microwave and guided wave letters (01-01-1991)“…The development of high-temperature superconducting thin films has opened up new opportunities for microstrip applications to exploit the low-loss properties…”
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An assessment of the survivability and performance of the at&t 5ESSTM, switch in a simulated HEMP environment
Published in MILCOM 1987 - IEEE Military Communications Conference - Crisis Communications: The Promise and Reality (01-10-1987)“…At the request of the National Communications System, AT&T recently conducted an EMP assessment of the 5ESS TM Switch. Its purpose was to firmly establish the…”
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Conference Proceeding -
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The tradeoff between coverage and capacity in dynamic optimization of 3G cellular networks
Published in 2003 IEEE 58th Vehicular Technology Conference. VTC 2003-Fall (IEEE Cat. No.03CH37484) (2003)“…For 3G cellular networks, capacity is an important objective, along with coverage, when characterizing the performance of high-data-rate services. In live…”
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Conference Proceeding