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International Workshop on Multidimensional (nD) systems

作者： L. Hladowski K. Galkowski E. Rogers A. Kummert D.H. Owens Institute of Control and Computation Engineering University of Zielona Gora Zielona Gora Poland University of Wuppertal Germany School of Electronics and Computer Science University of Southampton Southampton UK Faculty of Electrical Information and Media Engineering Communication Theory University of Wuppertal Germany Department of Automatic Control and Systems Engineering University of Sheffield Sheffield UK

Repetitive processes are a distinct class of 2D systems (i.e. information propagation in two independent directions) of both systems theoretic and applications interest. They cannot be controlled by direct extension of existing techniques from either standard (termed 1D here) or 2D systems theory. Here we give the first results on how feedback/feedforward control action can be used to influence one form of controllability for processes with discrete dynamics.

关键词： Linear feedback control systems Controllability Integrated circuit modeling Control engineering computing Vectors communication system control computer science systems engineering and theory State-space methods Multidimensional systems

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A test structure for spatial analysis of hot-carrier-induced photoemission in n-MOSFET

A test structure for spatial analysis of hot-carrier-induced...

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ICMTS 2005 - 2005 IEEE International Conference on Microelectronic Test Structures

作者： Matsuda, Toshihiro Tanaka, Tsubasa Iwata, Hideyuki Ohzone, Takashi Yamashita, Kyoji Koike, Norio Tatsuuma, Ken-Ichiro Department of Electronics and Informatics Toyama Prefectural University Kurokawa Kosugi-machi Imizu-gun Toyama 939-0398 Japan Faculty of Computer Science and System Engineering Okayama Prefectural University 111 Kuboki Soja-Shi Okayama 719-1197 Japan ULSI Process Technology Development Center Semiconductor Company Matsushita Electric Ind. Co. Ltd. 19 Nishikujo-kasugacho Minami-ku Kyoto 601-8413 Japan

A test structure and method for two-dimensional analysis of hot-carrier-induced photoemission in n-MOSFETs are presented. Photoemission intensity profiles along the gate width direction are analyzed and a method to derive the precise peak position of photoemission intensity from the center of MOSFETs gate is proposed. It can measure the variation of the photoemission peak position along the gate width direction. The peak exists in the LDD region, and the distance from the gate edge is about 20-30 nm independently of V G. © 2005 IEEE.

关键词： Photoemission

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Intelligent task scheduling in sensor networks

Intelligent task scheduling in sensor networks

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International Conference on Information Fusion

作者： W. van Norden J. de Jong F. Bolderheij L. Rothkrantz Faculty of Electrical Engineering Mathematics and Computer Science Delft University of Technnology Delft Netherlands Delft Cooperation on Intelligent System Thales Research and Technology Delft Netherlands Combat Systems Department Royal Netherlands Naval College Den Helder Netherlands

Ever more complex sensors have become available to create and maintain situational awareness during missions. Choosing the most suited sensor for the execution of a sensor function is based on sensor capabilities and function attributes. When these characteristics change rapidly, sensor allocation for sensor functions will shift. To increase performance of the entire sensor network, the total set of sensors should be scheduled in a single system. This paper puts forward and compares three new methods for scheduling prioritised tasks in sensor networks. The first is based on fuzzy Lyapunov synthesis. The other two use a genetic algorithm (GA) to optimize the set of schedules. The second scheduler uses this set to (re)train a neural network to be used online. The third approach is a novel online use of the GA. Tests showed that the novel online GA leads to a robust scheduling algorithm with high overall performance.

关键词： Intelligent sensors Intelligent networks Sensor phenomena and characterization Sensor systems Network synthesis Genetic algorithms Neural networks Testing Robustness Scheduling algorithm

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A test structure for spatial analysis of hot-carrier-induced photoemission in n-MOSFET

A test structure for spatial analysis of hot-carrier-induced...

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IEEE International Conference on Microelectronic Test Structures

作者： T. Matsuda T. Tanaka H. Iwata T. Ohzone K. Yamashita N. Koike K. Tatsuuma Department of Electronics and Informatics Toyama Prefectural University Kurokawa Kosugi-machi Imizu-gun Toyama Japan Faculty of Computer Science and System Engineering Okayama Prefectural University Soja-Shi Okayama Japan ULSI Process Technology Development Center Semiconductor Company Matsushita Electric Ind. Co. Ltd. Kyoto Japan

A test structure and method for two-dimensional analysis of hot-carrier-induced photoemission in n-MOSFETs are presented. Photoemission intensity profiles along the gate width direction are analyzed and a method to derive the precise peak position of photoemission intensity from the center of the MOSFET gate is proposed. It can measure the variation of the photoemission peak position along the gate width direction. The peak exists in the LDD region, and the distance from the gate edge is about 20/spl sim/30 nm independent of V/sub G/.

关键词： Testing Hot carriers Photoelectricity MOSFET circuits Position measurement Charge coupled devices Microscopy Wavelength measurement Pixel Signal to noise ratio

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Development of QTAT online electronic circuit patterning system

Development of QTAT online electronic circuit patterning sys...

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作者： Wakasugi, Katsuhiko Wakimoto, Satoshi Akamichi, Takayuki Nakada, Akira Kubota, Hiroshi Inokuchi, Tsuneo Suzuki, Shinji Aikawa, Sou Kosaka, Kouji Nakamura, Kazumitsu Morimoto, Tatsuo IEEE Graduate School of Science and Technology Kumamoto University Kumamoto 860-8555 Japan Kumamoto Technology Center Sony Semiconductor Kyushu Corporation Kumamoto 869-1102 Japan Ushio Inc. Yokohama 225-0002 Japan Tecnos Co. Ltd. Nara 630-8113 Japan Kumamoto Technology Inc. Kumamoto 861-2202 Japan Kumamoto Technology and Industry Foundation Kumamoto 861-2202 Japan New Industry Creation Hatchery Center Tohoku University Sendai 980-8579 Japan Japan Society of Applied Physics Institute of Electronics Information and Communication Engineering Department of Electrical and Computer Engineering Faculty of Engineering Kumamoto University Graduate School of Science and Technology Kumamoto University Shock Wave and Condensed Matter Research Center Kumamoto University Sony Semiconductor Kyushu Corporation Kagoshima Japan Sony Semiconductor Kyushu Corporation Kumamoto Technology Center Kumamoto Japan Department of Electronic Engineering Tokyo University of Agriculture and Technology Tokyo Tecnos Co. Ltd. Nara Japan Tokyo Technology Co. Ltd. Tokyo Japan Kumamoto Technology Co. Ltd. Kumamoto Japan Japan Society of Precision Engineering Kumamoto Technology and Industry Foundation Kumamoto Japan American Vacuum Society New Industry Creation Hatchery Center Tohoku University

An arbitrary pattern exposure system has been developed by employing a liquid crystal display (LCD) with 1600 × 1200 pixels for the formation of projection images in place of a conventional reticle. The minimum pattern size becomes 11.5 μm, which corresponds to the aperture size of each pixel on the LCD. For the purpose of quick turnaround time (TAT), the exposure system was directly connected to the circuit design system with the transmission control protocol/internet protocol network. From the experimental results on patterning of a typical electronic circuit data with the area of 46 × 46 mm, it was confirmed that the TAT from the output of design data to the finish of the exposure becomes less than 28 min. By using this system, reduction of the production cost in the printed wiring boards fabrication is expected. © 2005 IEEE.

关键词： Online systems

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An architecture design of the intelligent agent for speech recognition and translation

An architecture design of the intelligent agent for speech r...

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IEEE TENCON 2004 - 2004 IEEE Region 10 Conference: Analog and Digital Techniques in Electrical engineering

作者： Bin Ahmad, Abd. Manan Bin Ag.Nordin, Ag.Noorajis Saaim, Emrul Hamide Md. Bin Samaon, Den Fairol Bin Ibrahim, Mohd Danial Department of Software Engineering Faculty of Computer Science and Information System University of Technology Malaysia

An architecture design of the intelligent agent for speech recognition and translation is presented in this paper. The design involves the agent architecture and the method of the agent is used. The architecture design will show the relationship between the intelligent agent and speech recognition also translation. The intelligent agent for speech recognition is called S - AGENT and T- AGENT for translation. The purpose of the S - AGENT is to facilitate for transmitting the speech data via internet or network. The S - AGENT is acting as a data transmit control to ensure the transmitted speech data will secure delivered The task of the T - AGENT is different from the S - AGENT. The T - AGENT is acting as information retrieval. It will process the output from the speech recognition and translates the output based on its information memory database. If the information cannot be found on its memory, it will search the information required from the database dictionary provided. At the same time, it learns the information and saves the information to its memory for the future purposed © 2004IEEE.

关键词： Speech recognition

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A study of antenna array based multipath propagation phenomenon in LAS-CDMA standard

A study of antenna array based multipath propagation phenome...

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2004 RF and Microwave Conference, RFM 2004

作者： Ng, Chee Kyun Khatun, Sabira Ali, Borhanuddin Mohd Jamuar, Sudhanshu Shekhar Ismail, Mahamod Department of Computer and Communication Systems Engineering Faculty of Engineering Universiti Putra Malaysia Malaysia Department of Electrical and Electronic Engineering Faculty of Engineering Universiti Putra Malaysia Malaysia Department of Electrical Electronic and System Engineering Faculty of Engineering Universiti Kebangsaan Malaysia Malaysia

ISBN: (纸本)078038671X

Throughout the history of wireless communications, spatially diversity's antenna array system has being important in improving the radio link between wireless users. Moreover, this system are proposed to reduce the multipath fading through its directivity narrowly radiation beam. The introduction of interference free window in delay domain from newly LAS-CDMA standard has received many attentions for furthering research on multipath delay spread. In this paper, we studied the effect of angular spread on maximum excess delay in multipath propagation environments. Then, we examined the application of antenna array in LAS-CDMA standard to overcome this multipath phenomenon. First of all, the multipath propagation literatures are reviewed, followed by the explanation of maximum angular spread in a simple discrete ring of scatterers model. Comparison analyses are made between conventional omnidirectional antenna and narrow beam antenna array. Finally, the analytical performances in term of power delay profile are presented. © 2004 IEEE.

关键词： Code division multiple access

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Smart antenna system with orthogonal codes

Smart antenna system with orthogonal codes

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Proceedings of the IEEE 6th Circuits and systems Symposium on Emerging Technologies: Frontiers of Mobile and Wireless communication

作者： Ng, Chee Kyun Mohd Ali, Borhanuddin Jamuar, Sudhanshu Shekhar Ismail, Mahamod Department of Computer and Communication Systems Engineering Faculty of Engineering Universiti Putra Malaysia Malaysia Department of Electrical and Electronic Engineering Faculty of Engineering Universiti Putra Malaysia Malaysia Department of Electrical Electronic and System Engineering Faculty of Engineering Universiti Kebangsaan Malaysia Malaysia

ISBN: (纸本)0780379381

Smart antenna, which improves the performance of wireless systems, suppress all interfering signals, and increase the system capacity. The objective of this paper is to provide an analysis of system capacity when using smart antenna with the orthogonal code. A new technique which use orthogonal codes in multiple beams to distinguish multi-user is introduced. The properties of LinkAir communications' large area synchronous (LAS) or smart codes, which are claimed to be fully orthogonal code and are used to combat major interferences, are studied. The effect of spatial multiple beams in an area where density of users is very condense in a cell is also examined. Finally, the system performance in term of system capacity is presented.

关键词： Mobile telecommunication systems

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Innovation or imitation?: Benchmarking: A knowledge-management process to innovate services

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Benchmarking 2004年第6期11卷 610-620页

作者： Massa, Silvia Testa, Stefania DIST Department of Communication Computer and System Science University of Genoa Genoa Italy DIP Department of Industrial Engineering University of Genoa Genoa Italy

Traditionally, benchmarking has been described as a practice that promotes imitation. However, according to a more recent approach, this paper suggests that benchmarking, looking outside the firm boundaries and enabling comparison with others, in terms of both practices and performances, enable the process of acquiring external explicit and tacit knowledge. Such newly acquired knowledge, once integrated with previous internal knowledge of the firm, creates new knowledge that may give rise to improvements and innovations. In order to study the innovative power of benchmarking, this paper presents a three-year research undertaken in the maintenance-services sector that is becoming more and more global and competitive. A model that integrates benchmarking, knowledge management and innovation is presented as the main result of the research. © Emerald Group Publishing Limited.

关键词： Benchmarking Innovation Knowledge management

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Recurrent neural network with backpropagation through time for speech recognition

Recurrent neural network with backpropagation through time f...

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IEEE International Symposium on communications and Information Technologies: Smart Info-Media systems, ISCIT 2004

作者： Ahmad, Abdul Manan Ismail, Saliza Samaon, Den Fairol Universiti Teknologi Malaysia Department of Software Engineering Faculty of Computer Science and Information System Universiti Teknologi Malaysia 81310 Skudai Johor Darul Takzim Malaysia

ISBN: (纸本)0780385934

The study on speech recognition and understanding has been done for many years. In this paper, we propose a fully-connected hidden layer between the input and state nodes and the output. Besides that, we also investigate and show that this hidden layer makes the learning of complex classification tasks more efficient. We also investigate difference between LPCC and MFCC in feature extraction process. The aim of the study was to observe the difference of Arabic's alphabet like "alif" until "ya". The purpose of this research is to upgrade the people's knowledge and understanding on Arabic's alphabet or word by using Fully-Connected Recurrent Neural Network (FCRNN) and Backpropagation through Time (BPTT) learning algorithm. 6 speakers (a mixture of male and female) are trained in quiet environment. Neural Network is well-known as a technique that has the ability to classified nonlinear problem. Today, lots of researches have been done in applying Neural Network towards the solution of speech recognition [1] such as Arabic. The Arabic language offers a number of challenges for speech recognition [2]. Even though positive results have been obtained from the continuous study, research on minimizing the error rate is still gaining lots of attention. This research utilizes Recurrent Neural Network, one of Neural Network technique to observe the difference of alphabet "alif" until "ya".

关键词： Neural networks

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