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6～(th) International Conference on Spoken Language Processing

作者： KazumasaYamamoto SeiichiNakagawa Dept. of Electrical & Electronic Eng. Faculty of Engineering Shinshu University 4-17-1 Wakasato Nagano 380-8553 Japan Department of Information and Computer Sciences Toyohashi University of Technology 1-1 Hibarigaoka Tenpaku-cho Toyohashi 441-8580 Japan

There is a limit of recognition performance for dialogue speech using acoustic models built only with read speech, because various acoustic and linguistic phenomena, which reflect, the characteristics of spontaneous speech, are observed in the dialogue speech. In this paper, we investigated the differences of acoustic properties which cause the limit among isolated words, read speech and spontaneous speech. Firstly, the dialogue speech was compared with the read speech through acoustic analyses. Next, the acoustic models were separately built with each of the speech databases. The recognition performance was experimentally evaluated using the acoustic models and the relations of the differences of the performance to those of the acoustic features observed in the analyses were investigated quantitatively. The effectiveness of speaker adaptation was also investigated in the same manner.

关键词： ITI INTER-PHONEME'S DISTANCE AND SPEECH RECOGNITION PERFORMANCE RELATIONSHIP AMONG SPEAKING STYLE

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Characterization of single-walled carbon nanotubes through Raman Spectroscopy

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AIP Conference Proceedings 2000年第1期544卷 280-283页

作者： A. Marucci S. D. M. Brown P. Corio M. A. Pimenta M. S. Dresselhaus 1Department of Physics Massachusetts Institute of Technology Cambridge Massachusetts 02139 2Dep. de Fisica Univers. Federal de Minas Gerais C. P. 702 30123-970 Belo Horizonte Br. 3Department of Electr. Engineering and Computer Science MIT Cambridge Massachusetts 02139

The importance of Raman Spectroscopy in the characterization of single-walled carbon nanotubes (SWNTs) is emphasized. In particular, resonant Raman spectroscopy, performed using several laser excitation energy lines, explores both the vibrational and the electronic properties of the carbon nanotubes giving a broad picture of their characteristics. This work summarizes the main results obtained in the first-order and anti-Stokes Raman spectral regions.

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A presentation semantic model for asynchronous distance learning paradigm (poster session) 00

A presentation semantic model for asynchronous distance lear...

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Proceedings of the eighth ACM international conference on Multimedia

作者： Sheng-Tun Li Shu-Ching Cheng Mei-Ling Shyu National Kaohsiung First University of Science and Technology Department of Information Management 1 University Road Yenchao Kaohsiung Taiwan 824 R.O.C. Florida International University School of Computer Science Miami FL University of Miami Department of Electrical and Computer Engineering Coral Gables FL

ISBN: (纸本)9781581131987

This paper presents a presentation semantic model that is based on the augmented transition network (ATN) for asynchronous distance learning system called Java-based Integrated Asynchronous Distance Learning (JIADL) system. The JIADL system can support diverse asynchronous distance learning services. Unlike most related work in the literature, we integrate RealPlayer and Java technology so that the superiority of both models can be complemented. A course sample is illustrated to validate the effectiveness of the paradigm proposed. How to use the proposed multimedia ATN model to model the diverse requirements of a distance learning multimedia presentation is also discussed. The multimedia ATN model is powerful in modeling the asynchronization for distance learning multimedia presentations. Furthermore, in addition to supporting asynchronous distance learning, our system can be applied to a wide range of potential value-added applications.

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Presentation of Assembly Condition and Subassembly Function Using Two Force Feedback Displays

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Journal of Robotics and Mechatronics 2000年第1期12卷 2-10页

作者： Furusawa, Ryko Tanaka, Kazuaki Abe, Norihiro Matsunaga, Katsuya Taki, Hirokazu Faculty of Computer Science Kyushu Institute of Technology 680-4 Kawazu lizuka-shi Fukuoka prefecture820-8502 Japan Graduate School of Information Sciences and Electrical Engineering Kyushu University 6-10-1 Hakozaki Higashi-ku Fukuoka812-8581 Japan Department of Systems Engineering Wakayama University 930 Saƙaeďani Wakayama City640-8510 Japan

Assembling is one of the important factors in our daily life. The aim of assembling is to obtain a particular function from the subassembly which is generated by putting some parts together. This fact shows that assembling machine parts is possibily the most appropriate example to exeute. If we assemble some machine parts, we decide the positions by their shapes, and then, make sure both the state of parts by reaction force fed back to the hand when a part touches other parts and the behavior of the subassembly. In addition, it is advisable to use both hands for assembly. In this research, we constructed a virtual work space using a force display which give s us haptic sensation returned from not only assembling operation but collaboration with both hands. © 2000, Fuji technology Press. All rights reserved.

关键词： Feedback

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Search for Multi-TeV gamma-ray emission from nearby SNRs with the Tibet air shower array The Tibet ASγ Collaboration

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AIP Conference Proceedings 2000年第1期515卷 459-466页

作者： M. Amenomori S. Ayabe P. Y. Cao L. K. Ding Z. Y. Feng Y. Fu H. W. Guo M. He K. Hibino N. Hotta Q. Huang A. X. Huo K. Izu H. Y. Jia F. Kajino K. Kasahara Y. Katayose Labaciren J. Y. Li H. Lu S. L. Lu G. X. Luo X. R. Meng K. Mizutani J. Mu H. Nanjo M. Nishizawa M. Ohnishi I. Ohta T. Ouchi J. R. Ren T. Saito M. Sakata T. Sasaki Z. Z. Shi M. Shibata A. Shiomi T. Shirai H. Sugimoto K. Taira Y. H. Tan N. Tateyama S. Torii T. Utsugi C. R. Wang H. Wang H. Y. Wang P. X. Wang X. W. Xu Y. Yamamoto G. C. Yu A. F. Yuan T. Yuda C. S. Zhang H. M. Zhang J. L. Zhang N. J. Zhang X. Y. Zhang Zhaxisangzhu Zhaxiciren W. D. Zhou 1Department of Physics Hirosaki University Hirosaki Japan 2Department of Physics Saitama University Urawa Japan 5Institute of High Energy Physics Academia Sinica Beijing China 9Institute for Cosmic Ray Research University of Tokyo Tanashi Japan 6Department of Physics South West Jiaotong University Chengdu China 3Department of Physics Shangdong University Jinan China 4Department of Mathematics and Physics Tibet University Lhasa China 7Faculty of Engineering Kanagawa University Yokohama Japan 10Department of Physics Konan University Kobe Japan 11Faculty of Systems Engineering Shibaura Institute of Technology Omiya Japan 12Department of Physics Yunnan University Kunming China 13National Center for Science Information Systems Tokyo Japan 8Faculty of Education Utsunomiya University Utsunomiya Japan 14Tokyo Metropolitan College of Aeronautical Engineering Tokyo Japan 15Faculty of Engineering Yokohama National University Yokohama Japan 16Shonan Institute of Technology Fujisawa Japan

The Tibet air-shower array operating at Yangbajing (4300 m above sea level) is sensitive to gamma-ray air showers at energies as low as 3 TeV. The observation of the Moon’s shadow has provided a direct check of the angular resolution, the energy estimation and the systematic pointing error of this air-shower array. Using these data, we have searched for multi-TeV gamma-ray emission from 27 SNRs located within 10 kpc distance in the declination band of −10° to +70°. The signal from the Crab Nebula was detected at 5.5 σ level. The intensity observed is (4.61±0.90)×10−12 cm−2 s−1 TeV−1 at 3 TeV. No significant DC excess was found from any of these SNRs except from the Crab Nebula.

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A flexible IP active networks architecture 2

A flexible IP active networks architecture

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2nd International Working Conference on Active Networks, IWAN 2000

作者： Galis, Alex Plattner, Bernhard Smith, Jonathan M. Denazis, Spyros Moeller, Eckhard Guo, Hui Klein, Cornel Serrat, Joan Laarhuis, Jan Karetsos, George T. Todd, Chris University College London Torrington Place Department of Electrical and Electronic Engineering LondonWC1E 7JE United Kingdom The Swiss Federal Institute of Technology ETH Zurich Computer Engineering and Networks Laboratory ETH-Zentrum ZurichCH-8092 Switzerland University of Pennsylvania Department of CIS PhiladelphiaPA19104 United States Hitachi Europe Ltd Information and Telecommunication Laboratories 59 St Andrews Street CambridgeCB2 3BZ United Kingdom GMD- FOKUS Kaiserin-Augusta-Allee 31 BerlinD-10589 Germany Siemens ICN M RP 11 Hofmannstr. 51 MünchenD-81359 Germany KPN Research Dept Communications Architectures and open Systems P.O. Box 15000 GroningenAC9700 Netherlands Universitat Politècnica de Catalunya Dept Teoria del Senyal i Comunicacions ordi Girona 1-3 Barcelona08034 Spain National Technical University of Athens Telecommunications Laboratory Division of Electrical Engineering Zographou Athens15773 Greece

ISBN: (纸本)3540411798

This paper presents the main concepts of the IST Project FAIN "Future Active IP Networks" [10], a three-year collaborative research project, whose main task is to develop and validate an open, flexible, programmable and dependable network architecture based on a novel active node approach. This generic architecture for active networks is an innovative integration of active networking, distributed object and mobile agent technology. Starting from the definition of a business model that underlines the FAIN architecture, we identify three key working areas for contribution: the active node platform layer, the service programming environment and a built-in management system. The active node platform layer of the FAIN Active Node is comprised of the kernel Operating System, a node resource access control framework, and active components for management, security and service pro-H. vision. These elements provide the foundations for Execution Environments so that they can operate in an independent manner. A novel service programming environment is envisaged to enable the dynamic creation or update and to secure deployment and operation of protocols. Such an environment supports various role-specific ways of deployment, e.g. application-specific signalling or operator-governed network control signalling. © Springer-Verlag Berlin Heidelberg 2000.

关键词： Network architecture

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Detection of TeV gamma rays from Mrk 501 at high flaring state of activity in 1997 with the Tibet air shower array

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AIP Conference Proceedings 2000年第1期515卷 139-143页

作者： M. Amenomori S. Ayabe P. Y. Cao L. K. Ding Z. Y. Fen Y. Fu H. W. Guo M. He K. Hibino N. Hotta Q. Huang A. X. Huo K. Izu H. Y. Jia F. Kajino K. Kasahara Y. Katayose J. Y. Li H. Lu S. L. Lu G. X. Luo X. R. Meng K. Mizutani J. Mu H. Nanjo M. Nishizawa M. Ohnishi I. Ohta T. Ouchi J. R. Ren T. Saito M. Sakata T. Sasaki Z. Z. Shi M. Shibata A. Shiomi T. Shirai H. Sugimoto K. Taira Y. H. Tan N. Tateyama S. Torii T. Utsugi C. R. Wang H. Wang X. W. Xu Y. Yamamoto G. C. Yu A. F. Yuan T. Yuda C. S. Zhang H. M. Zhang J. L. Zhang N. J. Zhang X. Y. Zhang W. D. Zhou 1Department of Physics Hirosaki University Hirosaki Japan 2Department of Physics Saitama University Urawa Japan 3Department of Physics Shangdong University Jinan China 5Institute of High Energy Physics Academia Sinica Beijing China 6Department of Physics South West Jiaotong University Chengdu China 4Department of Mathematics and Physics Tibet University Lhasa China 7Faculty of Engineering Kanagawa University Yokohama Japan 8Faculty of Education Utsunomiya University Utsunomiya Japan 9Institute for Cosmic Ray Research University of Tokyo Tanashi Japan 10Department of Physics Konan University Kobe Japan 11Faculty of Systems Engineering Shibaura Institute of Technology Omiya Japan 12Department of Physics Yunnan University Kunming China 13National Center for Science Information Systems Tokyo Japan 14Tokyo Metropolitan College of Aeronautical Engineering Tokyo Japan 15Faculty of Engineering Yokohama National University Yokohama Japan 16Shonan Institute of Technology Fujisawa Japan Tibet ASγ Collaboration

The BL Lac object Mrk 501 came into a high flaring state in 1997, brightest in the sky at TeV energies. Using the air shower data obtained with a high density part of the Tibet II array, being operating at Yangbajing since 1996, we searched for γ-ray signals from this source during the period from February to August in 1997. The result shows a 3.7σ excess for showers with its mode energy 3 TeV for the whole period and 4.7σ excess for the period from April 7 to June 16. The estimated energy spectrum of γ rays is consistent with those obtained by imaging atmospheric Cherenkov detectors.

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Initial performance of CANGAROO-II 7m telescope

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AIP Conference Proceedings 2000年第1期515卷 313-317页

作者： Hidetoshi Kubo S. A. Dazeley P. G. Edwards S. Gunji S. Hara T. Hara J. Jinbo A. Kawachi T. Kifune J. Kushida Y. Matsubara Y. Mizumoto M. Mori M. Moriya H. Muraishi Y. Muraki T. Naito K. Nishijima J. R. Patterson M. D. Roberts G. P. Rowell T. Sako K. Sakurazawa Y. Sato R. Susukita T. Tamura T. Tanimori S. Yanagita T. Yoshida T. Yoshikoshi A. Yuki 1Department of Physics Tokyo Institute of Technology Meguro Tokyo 152-8551 Japan 2Department of Physics and Mathematical Physics University of Adelaide South Australia 5005 Australia 3Institute of Space and Astronautical Science Sagamihara Kanagawa 229-8510 Japan 4Department of Physics Yamagata University Yamagata 990-8560 Japan 5Faculty of Management Information Yamanashi Gakuin University Kofu Yamanashi 400-8575 Japan 6Department of Physics Tokai University Hiratsuka Kanagawa 259-1292 Japan 7Institute for Cosmic Ray Research University of Tokyo Tanashi Tokyo 188-8502 Japan 8STE Laboratory Nagoya University Nagoya Aichi 464-860 Japan 9National Astronomical Observatory Tokyo 181-8588 Japan 10Faculty of Science Ibaraki University Mito Ibaraki 310-8521 Japan 11LPNHE Ecole Polytechnique. Palaiseau Cedex 91128 France 12Computational Science Laboratory Institute of Physical and Chemical Research Wako Saitama 351-0198 Japan 13Faculty of Engineering Kanagawa University Yokohama Kanagawa 221-8686 Japan

CANGAROO group constructed an imaging air Cherenkov telescope (CANGAROO-II) in March 1999 at Woomera, South Australia to observe celestial gamma-rays in hundreds GeV region. It has a 7m parabolic mirror consisting of 60 small plastic spherical mirrors, and the prime focus is equipped with a multi-pixel camera of 512 PMTs covering the field of view of 3 degrees. We report initial performance of the telescope.

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Application of FHM-based design method to scalable 2-D DCT processor

Application of FHM-based design method to scalable 2-D DCT p...

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25th EUROMICRO Conference on Informatics: Theory and Practice for the New Millennium, EUROMICRO 1999

作者： Shigehara, Eiichirou Takeuchi, Yoshinori Imai, Masaharu Kimura, Tsutomu Department of Informatics and Mathematical Science Graduate School of Engineering Science Osaka University 1-3 Machikane-yama Toyonaka Osaka Japan Department of Information and Computer Engineering Toyota College of Technology 2-1 Eisei-cho Toyota Aichi Japan

This paper studies digital signal processor design using Flexible Hardware Model (FHM). The proposed method is based on design reuse and a quantitative estimation of design quality derived from FHM. In this paper, 2-D... 详细信息

ISBN: (纸本)0769503217

关键词： Digital signal processors

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Determination of the number of hidden units from a statistical viewpoint 6

Determination of the number of hidden units from a statistic...

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6th International Conference on Neural information Processing, ICONIP 1999

作者： Hayasaka, Taichi Hagiwara, Katsuyuki Toda, Naohiro Usui, Shiro Department of Information and Computer Sciences Toyohashi University of Technology 1-1 Hibarigaoka Tempaku Toyohashi441-8580 Japan Department of Physics Engineering Mie University 1515 Kamihama Tsu514-8507 Japan Faculty of Information Science and Technology Aichi Prefectural University 1522-3 Ibaragabasama Kumabari Nagakute Aichi480-1198 Japan

ISBN: (纸本)0780358716

One of the important problems for 3-layered neural networks (3-LNN) is to determine the optimal network structure with high generalization ability. Although this can be formulated in terms of a statistical model selection, there remains a problem in applying traditional criteria for 3-LNN. We suggest the type of effective criteria for the model selection problem of 3-LNN by analyzing the statistical properties of some simplified nonlinear models. Results of numerical experiments are also presented. © 1999 IEEE.

关键词： Structural optimization

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