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25th ACM International Conference on Supercomputing, ICS 2014

作者： Hartley, Timothy D. R. Çatalyürek, Ümit V. Ruiz, Antonio Igual, Francisco Mayo, Rafael Ujaldon, Manuel Intel Corporation Software and Services Group HillsboroOR United States Dept. Biomedical Informatics Ohio State University ColumbusOH43210 United States Computer Architecture Dept. University of Malaga Malaga Spain Computer Architecture and Automatic Control Dept. Univ. Complutense of Madrid Madrid Spain Dept. of Computer Eng. and Computer Science University Jaume I Castellon Spain

ISBN: (纸本)9781450328401

The last six years has seen Moore's Law continue to produce incredible gains in computational power. Indeed, the November, 2007 list of the top ten fastest supercomputers in the world contained no machines with acceleration of any kind. The same list six years later has four of the ten fastest supercomputers using accelerators, including the top two machines [3] . And the ten greenest supercomputers in November 2013 are using NVIDIA GPUs [1]. This heterogeneity of processing units is present from the top of the computational power spectrum down to the bottom, where GPU hardware coupled with novel CUDA and OpenCL programming paradigms have brought significant performance gains to consumer-grade applications. Copyright © 2014 by the Association for Computing Machinery, Inc. (ACM).

关键词： Graphics processing unit

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Implementation of a Tactic Manager for the Simulation of a Target Motion Analysis between a Submarine and a Surface Ship Warfare

Implementation of a Tactic Manager for the Simulation of a T...

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Asia Simulation Conference 2007, AsiaSim 2007

作者： Son, Myeong-Jo Cho, Doo-Yeoun Cha, Ju-Hwan Lee, Kyu-Yeul Kim, Tae-Wan Park, Jun-Kyu Dept. of Naval Architecture and Ocean Engineering Seoul National University Korea Republic of Dept. of Naval Architecture and Marine Engineering Mokpo National University Korea Republic of Dept. of Naval Architecture and Ocean Engineering and Research Institute of Marine System Eng. Seoul National University Korea Republic of Agency for Defense Development Korea Republic of

ISBN: (纸本)9783540775997

A tactic manager which can change the behavior of a simulation model according to the tactics defined outside of the model has been studied and implemented. Based on DEVS(discrete event system specification) formalism, we generated a simulation model which is equipped with the interface to the tactic manager. To demonstrate the effectiveness of the tactic manager, a target motion analysis in the warfare between a submarine and a surface ship is simulated. © Springer-Verlag Berlin Heidelberg 2007.

关键词： Submarines

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Low voltage high speed SiO2/AlGaN/AlLaO3/TaN memory with good retention

Low voltage high speed SiO2/AlGaN/AlLaO3/TaN memory with goo...

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IEEE International Electron Devices Meeting, 2005 IEDM

作者： Chin, Albert Laio, C.C. Chen, C. Chiang, K.C. Yu, D.S. Yoo, W.J. Samudra, G.S. Wang, T. Hsieh, I.J. McAlister, S.P. Chi, C.C. Dept. of Electronics Eng. Nat'l Chiao-Tung Univ. Univ. System of Taiwan Hsinchu Taiwan SNDL Dept. of Electrical and Computer Eng. National Univ. of Singapore Singapore Singapore Department of Electric Eng. Chung Hua University Hsinchu Taiwan National Research Council of Canada Ottawa Canada Dept. of Physics National Tsing Hua Univ. Hsinchu Taiwan

ISBN: (纸本)078039268X

To improve trapping using deeper well AlGaN (Χ=3.8eV), lower voltage drop in high-κ AlLaO3 barrier (κ=23), and smaller erase current by large ΔEc of AlLaO3/TaN, the SiO 2/AlGaN/AlLaO3/TaN devices show good 85°C memory integrity of low ±10V 1ms P/E, large 3.9V initial ΔVth and 2.4V extrapolated 10-year retention. A fast 100μs P/E of ±11V still gives 3.0V initial ΔVth and 1.6V 10-year retention. © 2005 IEEE.

关键词： Data storage equipment

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Research questionnaire on the usage of housing equipment focusing on ventilation system of apartment houses

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Journal of Environmental eng.neering 2012年第674期77卷 293-301页

作者： Toriumi, Yoshihiro Kurabuchi, Takashi Kodera, Sadanori Dept. of Architectural System Eng. Polytechnic University Japan Dept. of Architecture Faculty of Eng. Tokyo University of Science Japan Urban Renaissance Agency Japan

Research questionnaire was carried on the usage of housing equipment focusing on the continuous ventilation system in apartmenthouses. It was confirmed that ventilation systems are operated 24 hours more than 80% of the respondents, and the operating ratio increases as the household number *** the other hand, the ratio of opening outdoor air inlets for ventilation system was as low as about 50%. Cross correlation analysis showed that the operation of continuous ventilation system is effective in suppressing dew condensation, mold and bad smell, and the majority of respondents evaluate the ventilation system satisfactorily. Separate analysis by age revealed that aged households are very sensitive on utilities expense and tend to apply local heating of a room and bathing is not frequent.

关键词： Apartment houses

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Energy recovering static memory

Energy recovering static memory

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Proceedings of the 2002 International Symposium on Low Power Electronics and Design

作者： Kim, Joohee Ziesler, Conrad H. Papaefthymiou, Marios C. Advanced Computer Architecture Lab. Dept. of Elec. Eng. and Comp. Sci. University of Michigan Ann Arbor MI 48109 United States

This paper proposes an energy-recovering (a.k.a. adiabatic) static RAM with a novel driver that reduces power dissipation by efficiently recovering energy from the bit/word line capacitors. Powered by a single-phase sinusoidal power-clock, our SRAM delivers read and write operations with single-cycle latency. To that end, a precharge-low scheme is employed along with a modified sense amplifier design that achieves high efficiency at differential voltages near VSS. A simple control circuit is used to maintain driver operation in synchrony with the power-clock waveform. Feedback circuitry from the driver output to the control circuit ensures that our driver remains efficient, independent of the access pattern. Our energy recovering SRAM functions correctly while achieving substantial energy savings over a wide range of supply voltages and operating frequencies. Hspice simulations of a simple full-custom adiabatic 256×256 SRAM, that includes the energy recovering bit/word line drivers, the cell array, and the sense amplifiers, show over 2.6x energy savings at 3V, 300MHz in comparison with its conventional counterpart.

关键词： Power electronics

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Adaptive control of bivalirudin in the cardiac intensive care unit 19

Adaptive control of bivalirudin in the cardiac intensive car...

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19th IFAC World Congress on International Federation of Automatic Control, IFAC 2014

作者： Zhao, Qi Edrich, T. Paschalidis, Ioannis Ch. Division of System Eng. Boston Univ. United States Dept. of Anesthesia Perioperative and Pain Medicine Brigham and Women's Hospital Boston United States Dept. of Electrical and Computer Eng. Center for Information and Systems Eng. Boston Univ. 8 St. Mary's St. BostonMA02215 United States

ISBN: (纸本)9783902823625

Bivalirudin is a direct thrombin inhibitor used in the cardiac intensive care unit in patients who develop an allergic reaction to heparin. Since it is not a commonly used drug, clinical experience with its dosing is sparse. In earlier work (Zhao et al. [2014]) we developed a dynamic system model that accurately predicts the effect of bivalirudin when given dosage over time and patient physiological characteristics. This paper develops adaptive dosage controllers that regulate its effect to desired levels. To that end, and in the case that bivalirudin model parameters are available, we develop a Model Reference Control law. In the case that model parameters are unknown, an indirect Model Reference Adaptive Control scheme is applied to estimate model parameters first and then adapt the controller. Our algorithms are validated using actual data from a large hospital in the Boston area. © IFAC.

关键词： Model reference adaptive control

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Design of a high-throughput low-power IS95 Viterbi decoder

Design of a high-throughput low-power IS95 Viterbi decoder

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39th Design Automation Conference, DAC 2002

作者： Liu, Xun Papaefthymiou, Marios C. Advanced Computer Architecture Lab. Dept. of Elec. Eng. and Comp. Sci. University of Michigan Ann Arbor MI 48109 United States

ISBN: (纸本)1581134614

The design of high-throughput large-state Viterbi decoders relies on the use of multiple arithmetic units. The global communication channels among these parallel processors often consist of long interconnect wires, resulting in large area and high power consumption. In this paper, we propose a data-transfer oriented design methodology to implement a low-power 256-state rate-1/3 IS95 Viterbi decoder. Our architectural level scheme uses operation partitioning, packing, and scheduling to analyze and optimize interconnect effects in early design stages. In comparison with other published Viterbi decoders, our approach reduces the global data transfers by up to 75% and decreases the amount of global buses by up to 48%, while enabling the use of deeply pipelined datapaths with no data forwarding. In the RTL implementation of the individual processors, we apply precomputation in conjunction with saturation arithmetic to further reduce power dissipation with provably no coding performance degradation. Designed using a 0.25 μm standard cell library, our decoder achieves a throughput of 20 Mbps in simulation and dissipates only 450 mW.

关键词： Decoding

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Modeling RF MOSFETs after electrical stress using low-noise microstrip line layout

Modeling RF MOSFETs after electrical stress using low-noise ...

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2005 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium - Digest of Papers

作者： Kao, H.L. Chin, Albert Lai, J.M. Lee, C.F. Chiang, K.C. McAlister, S.P. Dept. of Electronics Eng. Nat'l Chiao-Tung Univ. Univ. System of Taiwan Hsinchu Taiwan SNDL Dept. of Electrical and Computer Eng. National University of Singapore Singapore 119260 Singapore Nano Science Tech. Center Univ. System of Taiwan-NCTU National Research Council of Canada Ottawa Canada

A novel microstrip line layout is developed to direct measure the min. noise figure (NFmin) accurately instead of the complicated de-embedding procedure in conventional CPW line. Very low NFmin of 1.05 dB at 10 GHz is directly measured in 16 gate fingers 0.18μm MOSFETs without any de-embedding. Based on the accurate NFmin measurement, we have developed the self-consistent DC, S-parameters and NFmin model to predict device characteristics after the continuous stress with good accuracy. © 2005 IEEE.

关键词： MOSFET devices

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Comparing High Mobility InGaAs FETs with Si and GOI Devices 64

Comparing High Mobility InGaAs FETs with Si and GOI Devices

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64th Device Research Conference, DRC 2006

作者： Liao, C.C. Kao, H.L. Chin, Albert Yu, D.S. Li, M.-F. Zhu, C. McAlister, S.P. Nano Science Tech. Center Dept. of Electronics Eng. Nat'l Chiao-T. Univ. Univ. System of Taiwan Hsinchu Taiwan SNDL Dept. of Electrical & Computer Eng. National Univ. of Singapore Singapore National Research Council of Canada Ottawa Canada

ISBN: (纸本)0780397495

We demonstrate a dislocation-free InAlAs/InGaAs/InAlAs-on-Insulator (IIIVOI) HEMT on a Si substrate, which has a high drain current and 8,100 cm2/Vs mobility. To reduce the Schottky gate leakage current in the device, a high-K Al2O3/InGaAs gate stack was used. By using this structure the gate leakage current was lower than that for a SiO2/Si MOSFET at the same equivalent-oxide-thickness (EOT), and the measured 451 cm2/Vs effective mobility was 2.5X higher. © 2006 IEEE.

关键词： Aluminum oxide

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Modular neural networks for face detection 17

Modular neural networks for face detection

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17th National Radio Science Conference, NRSC 2000

作者： El-Bakry, H.M. Abo-Elsoud, M.A. Kanel, M.S. Faculty of Computer Science and Information System Mansoura University Egypt Electronics and Elec. Comm. Dept. Faculty of Engineering Mansoura University Egypt Systems Design Eng. Dept. University of Waterloo Canada

ISBN: (纸本)9775031648

A new concept for detection of human faces is presented. An efficient approach to reduce the computation time taken by neural networks for the searching process is introduced. We combine both Fourier and wavelet transforms with cooperative modular neural networks (MNNs) to enhance the performance of the detection process. Such an approach is applied to identify human faces automatically in cluttered scenes. Here, neural networks are used to test whether a window of 20x20 pixels contains a face or not. The major difficulty in the learning process comes from the large database required for face/nonface images. A simple design for cooperative MNNs is presented to solve this problem by dividing these data into some groups. Such division results in reduction of computational complexity and thus decreasing the time and memory needed during the test of an image. In order to have a faster detection algorithm, a combination of the FFT and the wavelet transform is made in order to reduce the elapsed time during the test phase and enhance the detection performance. Feature measurements of the input faces are made through Fourier descriptors which are insensitive to rotation, translation and scaling. Such a feature is modified to reduce the number of neurons in the hidden layer. The second stage extracts wavelet coefficients that have been shown to provide advantages in terms of better representation for a given data to be compressed. Finally, the resulting vector is fed to one of five neural networks for face detection. Compared to previous work in face detection, the use of this combination reduces the number of neurons required for neural networks. Simulation results for the proposed algorithm show good performance on detecting faces with rotation, occlusion, noise, or change in illumination. © 2000 IEEE.

关键词： Face recognition

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