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6～(th) International Conference on Spoken Language Processing

作者： Satoshi Nakamura Keiko Watanuki Toshiyuki Takezawa Satoru Hayamizu ATR Spoken Language Translation Research Laboratories. 2-2-2 Hikaridai Seika-cho Soraku-gun Kyoto 619-0288 Japan Real World Computing Partnership Multimodal Functions Sharp Laboratories. in System Technology Development Center Sharp Corporation 1-9-2 Nakase Mihama-ku Chiba 261-8520 Japan ATR Spoken Language Translation Research Laboratories. 2-2-2 Hikaridai Seika-cho Soraku-gun Kyoto 619-0288 Japan Electorotechnical Laboratories 1-1-4 Umezono Tsukuba Ibaraki 305-0045 Japan

In recent years human-machine interaction has increased its importance. One approach to an ideal hunlan-machine interaction is develop a multi-modal system behavcs like human-beings. This paper introduces an overview on multimodal corpora which are currently developed in Japan for the purpose. The paper describes database of l)Multi-modal interaction, 2)Audio-visual speech, 3)Spoken dialogue with multiple speakers, 4)Gesture of sign language and 5)Sound scene data in rcal acoustic environments.

关键词： MULTIMODAL CORPORA FOR HUMAN-MACHINE INTERACTION research

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Incorporation of hierarchical control with facts technologies in power systems

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International Journal of Power and Energy systems 2000年第1期20卷 20-25页

作者： Domijan, Jr., Alexander Song, Zhidong Florida Pwr. Affiliates Pwr. Q. Dept. of Elec. and Comp. Engineering University of Florida Gainesville FL 32611 United States Rensselaer Polytechnic Institute Troy NY United States University of Texas Arlington TX United States General Electric Company Advance Development Engineering Pittsfield MA United States System Research Center University of Texas Arlington TX United States Tsinghua University Beijing China Shanghai Jiaotong University Shanghai China Dept. of Elec. Eng. and Comp. Sci. Yunnan Institute of Technology Kunming China School of Electronic Engineering Yunnan Polytechnic University Kunming China Florida Pwr. Affiliates Pwr. Q. Dept. of Elec. and Comp. Engineering University of Florida Gainesville FL United States

FACTS (Flexible AC Transmission system) technology, a product of development in power electronics, is now providing an opportunity to develop the direction for power system control. It is profitable for this advanced technology to be combined with new control concepts. A novel hierarchical control methodology incorporated with FACTS devices in power systems is proposed in this paper, and possible future research directions are suggested. Issues concerning FACTS performance and applications, hierarchical control concepts, and model and algorithm developments are also addressed herein. This research aims to overcome technical limitations through a comprehensive and flexible methodology to enhance reliability and security of large-scale power systems.

关键词： FACTS technology Hierarchical control Large-scale power systems Optimization

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Computer-assisted interpretation of mass spectra

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JOHNS HOPKINS APL TECHNICAL DIGEST 1999年第3期20卷 363-371页

作者： Hayek, CS Pineda, FJ Doss, OW Lin, JS APL Acoustical Society of America System and Information Sciences Group of the Research and Technology Development Center (RTDC) Phi Beta Kappa

Under Defense Advanced research Projects Agency sponsorship, APL is developing a miniature time-of-flight (TOF) mass spectrometer for early warning against exposure to chemical/biological agents, Intended for operation by a wide range of military and civilian personnel, the instrument must be able to detect and identify pathological agents wit-hin minutes. Key to this mission is the spectrometer operator's interpretation of the data. Typically, interpretation of mass spectra has been the realm of professional chemists and biochemists. Other operators must rely on computer classification of the TOF mass spectrometer's output. We describe algorithms that can be used to interpret mass spectra and that have been successful on a limited data set. These algorithms handle precisely known, and partially unknown, signatures. For precisely known signatures, a vector space problem can be formulated to estimate the optimum approximation of the measured spectrum with a combination of stored library signatures of threat agents. Fdr partially unknown signatures, a Bayesian probabilistic approach has been taken to relate the potentially variable signature of a bacterial threat to likelihoods of chemical composition of bacterial lipids.

关键词： computer classification MALDI mass spectrum

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Speech synthesis method based on application-specific synthetic units and its implementation on a 32-bit microprocessor

Speech synthesis method based on application-specific synthe...

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IEEE International Conference on Consumer Electronics (ICCE)

作者： Y. Ishikawa Y. Kisuki T. Sakamoto T. Hase Information Technology Research and Development Center Kamakura Kanagawa Japan System LSI Development Center Itami Hyogo Japan

A novel speech synthesis algorithm with application-specific synthesis units has been implemented in an embedded MCU. This method approximately halves the required amount of memory, making high-quality synthetic speec... 详细信息

关键词： Speech synthesis Vocabulary Microprocessors Cache memory Information technology research and development Large scale integration Electronic equipment Software quality Natural languages

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Direct dimethyl ether synthesis from hydrogen and carbon monoxide

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NKK Technical Review 1999年第81期 13-17页

作者： Ogawa, Takashi Ono, Masami Okuyama, Keiichi Aoki, Seiji Tomura, Keiji Shikada, Tsutomu Inoue, Norio Ohno, Yotaro Environmental Plant System Lab. Kawasaki Research Center Mat. Characterization Research Dept. Applied Technology Research Center Energy System Engineering Dept. Planning and Coordination Dept. Research and Development Division

DME (Dimethyl Ether) is a clean and easy-to-use fuel that is similar to clean and environmentally-friendly LPG (Liquid Petroleum Gas). DME is also known as a new clean diesel fuel that generates no soot. NKK developed a valuable new technology for the direct synthesis of DME from carbon monoxide and hydrogen. This technology coverts coal, coal bed methane or natural gas to the non-toxic, gas-liquid fuel.

关键词： Production engineering

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Concept, development, mass production, and applications of artificial retina chips

Concept, development, mass production, and applications of a...

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IEEE Photonics Conference (IPC)

作者： K. Kyuma K.-I. Tanaka T. Tamura N. Sakashita Y. Arima System LSI Division Mitsubishi Electric Corporation Limited Japan Advanced Technology Research and Development Center Mitsubishi Electric Corporation Limited Japan

We have proposed a novel type of image sensor named artificial retina LSIs (AR LSls) which combine both functions of image sensing and image processing, similar to our human eyes. The operation principle is based on the optoelectronic vector/matrix multiplier, where the input image is corresponding to the matrix, and the electric control signal to the vector. The functions of the image processing include simple image capturing, edge extraction, 2D to 1D image projection, random access, resolution control and so on. These functions can be selected just by changing the pattern of the electric control signal. The optoelectronic multiplier operates in a semi-parallel and an analog mode. We have developed four kinds of AR LSls based on the CMOS technology.

关键词： Mass production Retina Image processing Cameras Image resolution Image recognition Energy consumption Costs Humans Signal resolution

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Next-generation mobile telecommunications system - Wideband CDMA system evaluation

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Hitachi Review 1999年第4期48卷 238-245页

作者： Suzuki, Toshiro Doi, Nobukazu Hirata, Tetsuhiko Hitachi Ltd. CDMA Systems Business Operation Telecommunication System Group Hitachi Ltd. Commun. Systems Research Department Central Research Laboratory Hitachi Ltd. Netwk. Technology Development Center Systems Development Laboratory

Activities are progressing for international standardization of the next-generation mobile communications system (IMT-2000). This new system is intended to substantially improve the quality of voice communications as well as to implement multimedia communications including Internet services. Hitachi developed a base station, mobile station and mobile switching center-simulator for a mobile telecommunications system, using the wideband CDMA system proposed for the international standard by Japan. Based on these results, Hitachi manufactured and delivered to KDD Corporation a test bed following the system specifications presented by KDD. KDD conducted field trials of this system, in the central part of Tokyo in November 1998 and confirmed that high-quality voice communications and image communications by video telephone could be implemented (including soft handover operation). Hitachi conducted a system test for itself and confirmed that the test bed could connect to the mobile station provided by NTT Mobile Communications Network and that the outdoor service area conformed well with the simulation.

关键词： Mobile telecommunication systems

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simulation of the oil spill processes in the Sea of Japan with regional ocean circulation model

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Journal of Marine Science and technology 1999年第3期4卷 94-107页

作者： Sergey M. Varlamov Jong-Hwan Yoon Naoki Hirose Hideyuki Kawamura Ken Shiohara Dynamics Simulation Research Center Research Institute for Applied Mechanics Kyushu University 6-1 Kasuga-koen Kasuga Fukuoka 816-8580 Japan JP Department of Earth System Science and Technology Interdisciplinary Graduate School of Engineering Sciences Kyushu University Fukuoka Japan JP Research Organization for Information Science and Technology (RIST) Tokyo Japan JP

A simulation of the movement of spilled oil after the incident of the Russian tanker Nakhodka in the Sea of Japan, in January 1997, was performed by a particle tracking model incorporating advection by currents, random diffusion, the buoyancy effect, the parameterization of oil evaporation, biodegradation, and beaching. The currents advecting spilled oil were defined by surface wind drift superposed on the three-dimensional ocean currents obtained by the Geophysical Fluid Dynamics Laboratory modular ocean model (GFDL MOM), which was forced by the climatological monthly mean meteorological data, or by the European center for Medium Range Weather Forecasts (ECMWF) daily meteorological data, and assimilated sea surface topography detected by satellite altimeter. A number of experiments with different parameters and situations showed that the wide geographical spread of oil observed is not explained by wind drift alone, and that including the simulated climatological currents gives better results. The combination of surface wind drift and daily ocean currents shows the best agreement between the model and observations except in some coastal areas. The daily meteorological effect on the ocean circulation model results in a stronger variability of currents that closely simulates some features of the nonlinear large-scale horizontal turbulent diffusion of oil. The effect of different parameterizations for the size distribution of model oil particles is discussed.

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A 1.8 V 2.5 GHz PLL using 0.18 /spl mu/m SOI/CMOS technology

A 1.8 V 2.5 GHz PLL using 0.18 /spl mu/m SOI/CMOS technology

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IEEE SOI-3D-Subthreshold Microelectronics technology Unified Conference (S3S)

作者： K. Yoshimura K. Ueda T. Nakura K. Kubo K. Mashiko S. Maeda S. Maegawa Y. Yamaguchi Y. Matsuda System LSI Development Center Mitsubishi Electric Corporation Limited Itami Japan Information Technology Research & Development Center Mitsubishi Electric Corporation Limited Itami Japan ULSI Laboratory Mitsubishi Electric Corporation Limited Itami Japan

Summary form only given. This paper shows a 2.5 GHz PLL circuit for high-speed communication devices using a 0.18 /spl mu/m SOI/CMOS technology. The technology uses a shallow trench structure to effectively isolate active devices on a thin film SOI substrate. We employed floating-body SOI/CMOS in this chip. We applied a ring oscillator for the voltage controlled-oscillator (VCO). The well-known issues of SOI do not affect the circuit stability and noise performance of our PLL circuit for several reasons. Firstly, as the frequency range required for the VCO is comparatively narrow, the floating-body configuration would have little effect on circuit operation (Ueda et al., 1996). Secondly, thermal equilibrium on the ring oscillator can be achieved within a few microseconds (Tenbroek et al., 1998). Then the self-heating issue would be insignificant for the lock-in process of the PLL. Besides this, the buried oxide of SOI and shallow trench isolation reduces the crosstalk noise from the large digital logic block which is the most potentially serious problem for system-level integration of sensitive circuits and large logic blocks.

关键词： CMOS technology Phase locked loops Isolation technology Voltage-controlled oscillators Ring oscillators Crosstalk Logic circuits Thin film circuits Thin film devices Substrates

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development of software for the hard real-time controller using feature-oriented reuse method and CASE tools

Development of software for the hard real-time controller us...

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IEEE International Symposium on Computer Aided Control system Design (CACSD)

作者： B.W. Choi K.B. Jang C.H. Kim K.S. Wang K.C. Kang Research and Development Center Embedded System Laboratory LG Industrial Systems Company Limited Anyang Kyunggi South Korea Pohang University of Science and Technology South Korea

Elevator control systems are very sophisticated, hard real-time systems that have to do various activities within specified timing constraints. Also they have numerous differences of functions and system specifications due to adopting user's requirements. So, it is difficult to develop new models especially on requirement changes with satisfying timing constraints. A new software development process focused on software reuse is introduced. This process has been applied from the first phase of the software life-cycle. It is called feature-oriented reuse method (FORM). Using FORM, we could describe those complicated elevator systems in more understandable form, utilize reusability of requirement specifications, adopt new requirements, and finally develop reliable control systems. This paper present real-time elevator model resulted from each software development process for the elevator controller and promising simulation results showing dynamic behavior.

关键词： Elevators Real time systems Control systems Programming Embedded system Software tools Computer aided software engineering Software reusability Timing Software systems

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