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155 results on '"Reber R"'

5. A MMIC variable-gain amplifier for Tx/Rx applications

Author

Ludwig, M., Feldle, H.P., and Reber, R.

Subjects
Integrated circuits -- Evaluation, Semiconductor chips -- Evaluation, Amplifiers (Electronics) -- Evaluation, Microwave amplifiers -- Evaluation, Microwave integrated circuits -- Evaluation, Business, Electronics and electrical industries, Engineering and manufacturing industries, Telecommunications industry, Standard IC, Evaluation
Abstract

Accurate design of this monolithic variable-gain amplifier (VGA) with a wide amplitude setting range and low parasitic phase variation offers improved RF performance for modern transmit/receive (Tx/Rx) modules and RF [...]

Published
1996

7. Civil tiltrotor missions and applications. Phase 2: The commercial passenger market

Author

Thompson, P, Neir, R, Reber, R, Scholes, R, Alexander, H, Sweet, D, and Berry, D

Subjects
Air Transportation And Safety
Abstract

The commercial passenger market for the civil tiltrotor was examined in phase 2. A market responsive commercial tiltrotor was found to be technically feasible, and a significant worldwide market potential was found to exist for such an aircraft, especially for relieving congestion in urban area-to-urban area service and for providing cost effective hub airport feeder service. Potential technical obstacles of community noise, vertiport area navigation, surveillance, and control, and the pilot/aircraft interface were determined to be surmountable. Nontechnical obstacles relating to national commitment and leadership and development of ground and air infrastructure were determined to be more difficult to resolve; an innovative public/private partnership is suggested to allow coordinated development of an initial commercial tiltrotor network to relieve congestion in the crowded US Northeast corridor by the year 2000.

Published
1991

11. A general centroid determination methodology, with application to multilayer dielectric structures and thermally stimulated current measurements.

Author

Miller, S. L., Fleetwood, D. M., McWhorter, P. J., Reber, R. A., and Murray, J. R.

Subjects
SEMICONDUCTORS, DIELECTRIC films, MICROELECTRONICS, EQUATIONS, SILICON
Abstract

Presents a study that developed a general methodology to experimentally characterize the spatial distribution of occupied traps in dielectric films on a semiconductor. Role of multilayer dielectric films in microelectronic devices; Equations used in the study; Diagram of the cross section of a triple-layer stacked dielectric structure on silicon.

Published
1993
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12. Effects of oxide traps, interface traps, and ‘‘border traps’’ on metal-oxide-semiconductor devices.

Author

Fleetwood, D. M., Winokur, P. S., Reber, R. A., Meisenheimer, T. L., Schwank, J. R., Shaneyfelt, M. R., and Riewe, L. C.

Subjects
METAL oxide semiconductors, ION traps, PHYSICAL & theoretical chemistry
Abstract

Describes a simple nomenclature for defects on metal-oxide-semiconductor (MOS) devices. Outline of the revised nomenclature; Discussion of three classes of physical models of border traps; Details of the long-term buildup and annealing of radiation-induced trapped charge in non-radiation-hardened MOS transistors.

Published
1993
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17. What did you just call me? European ratings of the valence of ethnophaulisms

Author

Rice, D.R., Abrams, D., Badea, C., Bohner, G., Carnaghi, A., Dementi, L.I., Durkin, K., Ehmann, B., Hudson, G., Kokdemir, D., Masip, J., Moran, A., Oswald, M.E., Ouwerkerk, J.W., Reber, R., Schroeder, J., Tasiopoulou, K., Trzebinski, J., Shtalbi, Haki, Laboratoire Parisien de Psychologie Sociale (LAPPS), Université Paris Nanterre (UPN)-Université Paris 8 Vincennes-Saint-Denis (UP8), Université Paris 8 Vincennes-Saint-Denis (UP8)-Université Paris Nanterre (UPN), Communication Science, Network Institute, Communication Choices, Content and Consequences (CCCC), and Centre for Advanced Media Research Amsterdam (CAMeRA)

Subjects
SDG 16 - Peace, Justice and Strong Institutions, ComputingMilieux_MISCELLANEOUS
Abstract

Previous work has examined the relative valence (positivity or negativity) of ethnophaulisms (ethnic slurs) targeting European immigrants to the United States. However, this relied on contemporary judgments made by American researchers. The present study examined valence judgments made by citizens from the countries examined in previous work. Citizens of 17 European nations who were fluent in English rated ethnophaulisms targeting their own group as well as ethnophaulisms targeting immigrants from England. American students rated ethnophaulisms for all 17 European nations, providing a comparison from members of the host society. Ratings made by the European judges were (a) consistent with those made by the American students and (b) internally consistent for raters' own country and for the common target group of the English. Following discussion of relevant methodological issues, the authors examine the theoretical significance of their results. © 2010 SAGE Publications.

Published
2010

19. Monolithic low noise amplifier for X-band applications

Author

Feldle, Heinz-Peter and Reber, R. H.

Subjects
ING-INF/01 Elettronica
Abstract

This paper presents the design aspects and performance of a monolithic low noise amplifier (LNA) for X-band applications. The LNA, based on GaAs PM-HEMT technology, shows a noise figure of only 1.1 dB at room temperature and a gain of 19 dB with high gain flatness over a bandwidth of 30%, The design was induced by the requirements of real active phased array antenna modes, e. g. switched applications, high IP3 and damage level. A statistical analysis over a large number of LNAs is added showing the high yield and good uniformity of this device.

Published
1998
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24. GaN based RF Modules - Demands & Needs for Packaging

Author

Oppermann, M., primary, Widmer, K., additional, Reber, R., additional, Sledzik, H., additional, Schuh, P., additional, Schmid, U., additional, Bunz, B., additional, Chartier, S., additional, Drüeke, K., additional, and Bedenbecker, M., additional

Published
2011
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28. Greenlandair VTOL transportation study

Author

Reber, R. R

Subjects
Air Transportation And Safety
Abstract

An operational and economic analysis was conducted on Greenlandair, a large helicopter commuter operation. Results indicate that the airline could realize a significant increase in available seat miles with a decrease in total cost by replacing the fleet of helicopters and fixed-wing aircraft with Tiltrotors. The Tiltrotor can fly 2.5 times faster than the helicopters, and 25% faster than the presently used turboprop aicraft. Fuel consumption could be reduced by one half, and with additional savings on maintenance, crew costs, and ground support costs, plus expanded flight schedules, the airline could achieve a net yearly savings of over 2 million dollars.

Published
1981

29. GaN MMIC based T/R-Module Front-End for X-Band Applications

Author

Schuh, P., primary, Sledzik, H., additional, Reber, R., additional, Fleckenstein, A., additional, Leberer, R., additional, Oppermann, M., additional, Quay, R., additional, van Raay, F., additional, Seelmann-Eggebert, M., additional, Kiefer, R., additional, and Mikulla, M., additional

Published
2008
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44. Absorption and metabolism of 1-C-hydroxy octadecadienoate in the rat.

Author

Reber, R. and Draper, H.

Abstract

The metabolism of 1-C-9(13)-hydroxy octadecadienoic acid methyl ester (1-C-HAME) by the rat was investigated in vivo and in liver slices. A 1.5 mg dose of 1-C-HAME administered by stomach tube was efficiently hydrolyzed and absorbed from the intestinal tract. In comparison with 1-C-methyl linoleate (1-C-ML), 1-C-HMAE was more extensively oxidized toCO in vivo and in vitro. After 1-C-HAME administration as much as 50% of the radioactivity in the adipose tissue triglycerides was associated withC-hydroxy fatty acids. The remaining activity was present in randomly labeled normal fatty acids. No evidence was obtained for the incorporation ofC-hydroxy acids into liver lipids; most of the radioactivity from 1-C-HAME in this organ was recovered in saturated and monoenoic fatty acids. About 10% of the radioactivity 24 hr after 1-C-HAME administration was associated with triglyceride trienoic acids, indicating that at least a portion of this acid was dehydrated in the liver. An unidentified polar acid was detected in the urine of the 1-C-HAME-treated animals. [ABSTRACT FROM AUTHOR]

Published
1970
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48. A Theoretical Evaluation of Various Search Salvage Procedures for Use with Narrow-Path Locators. Part II. Locating Objects whose Apparent Presence and Approximate Position are Known

Author

BUREAU OF SHIPS WASHINGTON DC, Reber, R K, BUREAU OF SHIPS WASHINGTON DC, and Reber, R K

Abstract

The present report, representing Part 2 of a two part study of search salvage procedures for use with narrow-path locators, is concerned with the accurate location of objects whose apparent presence and approximate position have been previously established by wide-path detectors, by intelligence, or by other means. The locator characteristics are specified by an over-all width of searched path W and a probability beta of detecting on any single locator pass any object which has a random location within W. It is found that the most effective search procedures differ according to whether the navigational errors are substantially smaller than, or are substantially larger than, or are of the same order of magnitude as the uncertainty in the object position. For each of these three cases practical search procedures are formulated for attaining a searching efficiency close to the theoretical maximum efficiency. Sufficient data are presented for each searching procedure to permit a quick determination of the amount of searching required to obtain sufficient assurance that a contact being investigated does not represent an object if none has been found, and an estimate of the average time required to find an object when one exists. Most of the analysis is concerned with locators that are perfect identifiers, but it is shown how the results can be applied to the location of objects by means of locators with limited classification capabilities., See also part 1, AD881408

Published
1957

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