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2008 AIChE Annual Meeting, AIChE 100

作者： Jaszczak, John A. Raber, Mary Bennett, Michael Alaraje, Nasser Bergstrom, Paul L. Department of Physics Michigan Technological University 1400 Townsend Dr. Houghton MI 49931 United States Enterprise Program Michigan Technological University 1400 Townsend Dr. Houghton MI 49931 United States Department of Social Sciences Michigan Technological University 1400 Townsend Dr. Houghton MI 49931 United States School of Technology Michigan Technological University 1400 Townsend Dr. Houghton MI 49931 United States Department of Electrical and Computer Engineering Michigan Technological University 1400 Townsend Dr. Houghton MI 49931 United States Science Technology and Society Vassar College Poughkeepsie NY 12604-0246 United States

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Cooperative university/industry development of a freshman 'introduction to ECE design' course

Cooperative university/industry development of a freshman 'i...

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114th Annual ASEE Conference and Exposition, 2007

作者： Williams, Douglas Butera, Robert Uluagac, Selcuk Clark, Matthew Deck, Andy Torba, Michael Trahan, Steven Georgia Institute of Technology United States Undergraduate Affairs School of Electrical and Computer Engineering Georgia Tech. Georgia Department of Electrical and Computer Engineering Interdisciplinary Bioengineering Graduate Program Georgia Tech. United States Georgia Tech. School of Electrical and Computer Engineering United States National Instruments National Instruments Austin TX United States

Faculty members from Georgia Tech's School of electrical and computer engineering (ECE) have worked jointly with engineers from National Instruments (NI) to develop a new freshman engineering course. This course is entitled 'Introduction to ECE Design' and is constructed around the use of the LEGO MINDSTORMS NXT robotics system. NI partnered with LEGO to jointly develop the programming software for the MINDSTORMS NXT, and their engineers are uniquely positioned to provide insight into the use and functionality of these kits. NI engineers have not only provided technical support but have also conceived and designed most of the laboratories for the course. This course addresses the diverse objectives of providing students with a systems-level design experience at the beginning of their academic programs and introducing them to a broad range of ECE disciplines. A primary goal is to enable students to make better-informed decisions when choosing whether or not to major in electrical engineering or computer engineering. © American Society for engineering Education, 2007.

关键词： Systems engineering

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A comparison of molecular approaches for generating sparse and structured multiresolution representations of audio and music signals

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The Journal of the Acoustical Society of America 2008年第5_SUPPLEMENT期123卷 3801-3801页

作者： Bob Sturm John J. Shynk Aaron McLeran Curtis Roads Laurent Daudet University of California Box 117 Department of Electrical and Computer Engineering Santa Barbara CA 93106 USA boblsturm@ece.ucsb.edu University of California Box 117 Department of Electrical and Computer Engineering Santa Barbara CA 93106 USA shynk@ece.ucsb.edu University of California Media Arts and Technology Program Santa Barbara CA 93106 USA amcleran@*** University of California Media Arts and Technology Program Santa Barbara CA 93106 USA clang@mat.ucsb.edu UPMC Univ Paris 06 LAM / IJLRA 11 rue de Lourmel 75015 Paris France daudet@lam.jussieu.fr

The authors investigate the characteristics and performance of joint (single‐step) and sequential (two‐step) approaches to creating sparse and structured multiresolution representations of audio and music signals derived using sparse overcomplete methods. A joint approach, such as molecular matching pursuit, attempts to find structures in a signal as part of the decomposition process, while a sequential approach, such as agglomerative clustering, attempts to find structures in the completed decomposition of a signal. Each of these approaches have different benefits and drawbacks. For a joint approach, it is computationally convenient that the decomposition and structuring are done simultaneously, but usually only simple structural relations are possible. For a sequential approach, one is working in a parameter space of much smaller dimension than the original signal, but the computation is higher since the decomposition and the structure building are two separate processes. Results from these approaches using real audio and music signals will be compared and contrasted, and will contribute to our goal of creating an enhanced interface between the content of audio and music signals, e.g., onsets, notes, voices, and their multiresolution sparse atomic decompositions.

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A deliberate integration of information technology into the classroom

A deliberate integration of information technology into the ...

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114th Annual ASEE Conference and Exposition, 2007

作者： Fairfax, Duane Huggins, Kevin Goda, Bryan USMA United States Computer Science Program US Military Academy United States IEEE Department of Electrical Engineering and Computer Science US Military Academy at West Point United States Association for Computing Machinery Institute of Electrical and Electronic Engineers Information Technology Program US Military Academy United States

The Information Age has revolutionized the way students learn in the classroom. The United States Military Academy (USMA) emphasizes the importance of Information technology (IT) through an academy-wide IT specific goal. This goal supports the USMA's mission of producing Army Officers who can respond effectively to technological changes in the defense of our nation. Courses augmented with IT can be daunting for cadets who lack the experience and confidence level to succeed in the course. As a result, these types of courses are avoided by cadets if at all possible. This is not an option for an aspiring officer who will lead the soldiers of tomorrow on a digitized battlefield. Since 1990, cadets have been issued a computer which has played a central role in bringing the power of IT to all graduates of the Military Academy. Integration of IT in the curriculum begins early with every cadet receiving a laptop computer. An integrated software package is included to support any course of instruction. Cadets receive two courses in IT, one in their freshman year and one in their junior year. The freshman course teaches the cadet the basic functionality of the laptop, a basic programming language, and creating a basic website. The junior course builds on the freshman course by teaching the cadets to create an advanced website, design and build a network, manage a database, and create an information system. IT plays a central role in several overlap courses between engineering and the humanities in such areas as information warfare, terrorism, and the legal aspects of intellectual property rights. What makes this approach unique is the methodical diffusion of IT into course design which removes the barrier between learning and the implementation of IT as an academic multiplier. An academy-wide committee consisting of 12 members is responsible for examining collected data to see how well the Military Academy is meeting its LT goal. This data comes from a variety of sources such

关键词： Information technology

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Implementing and Improving a method for non-invasive elicitation of probabilities for bayesian networks 07

Implementing and Improving a method for non-invasive elicita...

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International Conference on computer Systems and Technologies and Workshop for PhD Students in Computing, CompSysTech '07

作者： De Jongh, Martinus Druzdzel, Marek Rothkrantz, Leon Faculty of Electrical Engineering Mathematics and Computer Science Man-Machine Interaction Group Delft University of Technology Delft Netherlands Decision Systems Laboratory School of Information Sciences and Intelligent Systems Program University of Pittsburgh Pittsburgh PA United States

ISBN: (纸本)9789549641509

Knowledge elicitation is difficult for expert systems that are based on probability theory. The elicitation of probabilities for a probabilistic model requires a lot of time and interaction between the knowledge engineer and the expert. Druzdzel and van der Gaag [5] have proposed a theoretical framework that would allow the use of multiple types of probabilistic information for elicitation of Bayesian networks. This framework has been used as a starting point for the implementation of a non-invasive elication method. © 2007 ACM.

关键词： Linear programming

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Poly-silicon quantum dot single electron transistors

Poly-silicon quantum dot single electron transistors

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International Symposium Semiconductor Device Research (ISDRS)

作者： Kwon-Chil Kang Sangwoo Kang Hong Sun Yang Seung-hwan Song Jinho Kim Jong Duk Lee Byung-Gook Park Interdisciplinary Program in Nano-Science and Technology And School of Electrical Engineering and Computer Science Seoul National University Seoul South Korea

For room temperature operation and reproducibility of single electron transistors (SETs), we propose a fabrication method of an SET with a self-aligned quantum dot. The quantum dot is formed by selective etch of a silicon nanowire on a planarized surface and subsequent deposition and etch-back of poly-silicon. The device is named as PQD-SET, i.e., poly-silicon quantum dot SET. PQD-SET shows clear Coulomb oscillation at room temperature.

关键词： Quantum dots Single electron transistors Fabrication Etching Silicon Electron devices Educational institutions Quantum computing Planarization Plasma applications

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Analysis of P-type poly-Si TFT degradation under dynamic gate voltage stress using the slicing model

Analysis of P-type poly-Si TFT degradation under dynamic gat...

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作者： Huang, Shih-Che Tsao, Hung-Chuan Tai, Ya-Hsiang Department of Photonics Institute of Electro-Optical Engineering NCTU Hsinchu 30010 Taiwan College of Electrical and Computer Engineering Industrial Technology R and D Master Program on Photonics and Display Technologies NCTU Hsinchu 30010 Taiwan Department of Photonics Display Institute NCTU Hsinchu 30010 Taiwan

ISBN: (纸本)9787561752289

In this work, the mobility degradation after gate AC stress in the off region are examined. It is discovered that the mobility increases after AC gate stress condition 0 V to +15 V, which the previously reported model (by Uraoka, Y) may not explain. Considering the spatial distribution of the voltage and the flow of the carriers in the channel, we proposed the "slicing model" , that is, replace the original TFT by ten TFTs with shorter channel length. Then, by applying the circuit simulator, the voltage distribution in the channel under different stages of gate applied voltage may be obtained. An index considering the current flow and the channel voltage at the edge nodes are proposed to describe the degradation in mobility. The fair linearity between the proposed index and the degradation in mobility reveals the validity of the proposed model.

关键词： Polycrystalline materials

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A systematic approach to quantifying evolutionary functional trends across the universal tree of life

A systematic approach to quantifying evolutionary functional...

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7th IEEE International Conference on Bioinformatics and Bioengineering, BIBE

作者： Alterovitz, Gil Muso, Taro Malalur, Paresh Ramoni, Marco F. Division of Health Sciences and Technology Harvard Medical School Massachusetts Institute of Technology Boston MA United States Children's Hospital Informatics Program Boston MA United States Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology Cambridge MA United States Harvard Partners Center for Genetics and Genomics Harvard Medical School Boston MA United States

ISBN: (纸本)1424415098

The accumulation of genomic and proteomic data of many organisms presents an opportunity to analyze entire phylogenetic trees in a systematic, quantified manner. The universal tree of life, constructed by genomic data, provides an evolutionary context for proteomic data of individual organisms. Using proteomic information mapped to biological functions, we survey the tree of life for evolutionary trends, where trends are low p-value linear regressions of relative protein diversity against an evolutionary timeline. These trends provide quantified perspectives across evolution that would be otherwise difficult to discern from the large amount of available bioinformatic data. We analyzed 22,762 functions across 167 proteomes for approximately 3.8 million information content calculations. Of particular interest is the rise of protein-protein interactions along the path of mammalian evolution. Of general interest are the numerous uncovered trends that open the door to future queries of focused scope. ©2007 IEEE.

关键词： Information theory

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Using pitch, amplitude modulation, and spatial cues for separation of harmonic instruments from stereo music recordings

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Eurasip Journal on Advances in Signal Processing 2007年 2007卷

作者： Woodruff, John Pardo, Bryan Music Technology Program School of Music Northwestern University Evanston IL 60208 United States Department of Electrical Engineering and Computer Science Northwestern University Evanston IL 60208 United States

Recent work in blind source separation applied to anechoic mixtures of speech allows for improved reconstruction of sources that rarely overlap in a time-frequency representation. While the assumption that speech mixtures do not overlap significantly in time-frequency is reasonable, music mixtures rarely meet this constraint, requiring new approaches. We introduce a method that uses spatial cues from anechoic, stereo music recordings and assumptions regarding the structure of musical source signals to effectively separate mixtures of tonal music. We discuss existing techniques to create partial source signal estimates from regions of the mixture where source signals do not overlap significantly. We use these partial signals within a new demixing framework, in which we estimate harmonic masks for each source, allowing the determination of the number of active sources in important time-frequency frames of the mixture. We then propose a method for distributing energy from time-frequency frames of the mixture to multiple source signals. This allows dealing with mixtures that contain time-frequency frames in which multiple harmonic sources are active without requiring knowledge of source characteristics. Copyright © 2007 Hindawi Publishing Corporation. All rights reserved.

关键词： Harmonic generation

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Contributors to the Lab on a Chip cell and tissue engineering in microsystems special issue

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Lab on a Chip 2007年第6期7卷 667-671页

作者： Bhatia, Sangeeta N. Chen, Christoper Bashir, Rashid Beebe, David J. Desai, Tejal Gottwald, Eric Khademhosseini, Ali Langer, Robert S. Piel, Matthieu Takayama, Shuichi Thorsen, Todd Tien, Joe Voldman, Joel Vunjak-Novakovic, Gordana Wu, Mingming Yu, Hanry Massachusetts Institute of Technology Harvard-MIT Division of Health Sciences and Technology Department of Electrical Engineering and Computer Science United States Laboratory for Multiscale Regenerative Technologies United States Department of Innovation University of Pennsylvania Department of Bioengineering United States Cell Biology and Physiology Program Cell Growth and Cancer Program Tissue Microfabrication Laboratory Department of Electrical and Computer Engineering and Biomedical Engineering Purdue University United States Department of Electronics University of Glasgow United Kingdom Department of Physiology and Bioengineering University of California San Francisco CA United States California Institute for Quantitative Biomedical Research UCSF/UC Berkeley Graduate Group in Bioengineering United States Laboratory of Therapeutic Micro and Nanotechnology Institute for Biological Interfaces Germany 3D-Cell Culture Techniques Group Institute for Biological Interfaces Germany Department of Medicine and Health Sciences and Technology Massachusetts Institute of Technology (MIT) United States Institut Curie UMR 144 IC/CNRS France Biomedical Engineering Department University of Michigan United States Department of Biomedical Engineering Macromolecular Science and Engineering Program United States Sibley School of Mechanical and Aerospace Engineering School of Chemical and Molecular Engineering Cornell University United States National University of Singapore Singapore Institute of Bioengineering and Nanotechnology A STAR Singapore

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