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作者： Li, Fu-Hai Chiu, Yung-Yueh Lee, Yen-Hui Chang, Ru-Wei Yang, Bo-Jun Sun, Wein-Town Lee, Eric Kuo, Chao-Wei Shirota, Riichiro Institute of Communications Engineering National Chiao Tung University Hsinchu 300 Taiwan Department of Electrical and Computer Engineering National Chiao Tung University Hsinchu 300 Taiwan SONOS Technology Research Program EMemory Technology Inc. Jhube Hsinchu 302 Taiwan

In this study, we precisely investigate the charge distribution in SiN layer by dynamic programming of channel hot hole induced hot electron injection (CHHIHE) in p-channel silicon-oxide-nitride-oxide-silicon (SONOS) memory device. In the dynamic programming scheme, gate voltage is increased as a staircase with fixed step amplitude, which can prohibits the injection of holes in SiN layer. Three-dimensional device simulation is calibrated and is compared with the measured programming characteristics. It is found, for the first time, that the hot electron injection point quickly traverses from drain to source side synchronizing to the expansion of charged area in SiN layer. As a result, the injected charges quickly spread over on the almost whole channel area uniformly during a short programming period, which will afford large tolerance against lateral trapped charge diffusion by baking. © 2013 The Japan Society of Applied Physics.

关键词： Silicon nitride

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Outage analysis of spectrum sharing relay systems with multi-secondary destinations in the presence of primary user's interference

Outage analysis of spectrum sharing relay systems with multi...

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International Conference on Wireless communications and Signal Processing (WCSP)

作者： Yuzhen Huang Fawaz Al-Qahtani Caijun Zhong Qihui Wu College of Communications Engineering PLA University of Science and Technology Nanjing China Electrical and Computer Engineering Program Texas A&M University at Qatar Doha Qatar Institute of Information and Communication Engineering Zhejiang University Hangzhou China

This paper investigate the impact of primary transceivers on the outage performance of a dual-hop decode-and-forward (DF) spectrum sharing relay system with multiple secondary user (SU) destinations in Nakagami-m fading channels. To doing so, we derive new exact and asymptotic closed-form expressions for the outage probability of spectrum sharing relay systems employing the opportunistic scheduling algorithm, which readily enable us to characterize the impact of various key system parameters on the outage performance of the system. Monte Carlo simulation results are provided to verify the theoretical analysis and evaluate the effects of channel fading severity, SU relay placement, and number of SU destinations. The finding of this paper suggests that the interference temperature constraint results in the outage saturation phenomenon and zero diversity gain of spectrum sharing relay systems.

关键词： Interference Relays Materials requirements planning Fading Transmitters Monte Carlo methods Signal to noise ratio

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Effect of growth pressure and gas-phase chemistry on the optical quality of InGaN/GaN multi-quantum wells

Effect of growth pressure and gas-phase chemistry on the opt...

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2013 MRS Spring Meeting

作者： Armour, E.A. Byrnes, D. Arif, R.A. Lee, S.M. Berkman, E.A. Papasouliotis, G.D. Li, C. Stokes, E.B. Hefti, R. Moyer, P. Veeco Instruments Turbodisc Operations 394 Elizabeth Avenue Somerset NJ 08873 United States Department of Electrical and Computer Engineering University of North Carolina at Charlotte 9201 University City Blvd Charlotte NC 28223 United States Nanoscale Science Program University of North Carolina at Charlotte 9201 University City Blvd Charlotte NC 28223 United States Department of Physics and Optical Science University of North Carolina at Charlotte 9201 University City Blvd Charlotte NC 28223 United States Center for Optoelectronics and Optical Communications University of North Carolina at Charlotte 9201 University City Blvd Charlotte NC 28223 United States

ISBN: (纸本)9781605115153

Blue light-emitting diodes (LED's), utilizing InGaN-based multi-quantum well (MQW) active regions deposited by organometallic chemical vapor epitaxy (OMVPE), are one of the fundamental building-blocks for current solid-state lighting applications. Studies [1,2] have previously been conducted to explore the optical and physical properties of the active MQW's over a variety of different OMVPE growth conditions. However, the conclusions of these papers have often been contradictory, possibly due to a limited data set or lack of understanding of the fundamental fluid dynamics and gas-phase chemistry that occurs during the deposition process. Multi-quantum well structures grown over a range of pressures from typical low-pressure production processes at 200 Torr, up to near-atmospheric growth conditions at 700 Torr, have been investigated in this study. At all growth pressures, clear trends of gas-phase chemical reactions are observed for increased gas residence times (lower gas speeds from the injector flange and lower rotation rates) and increased V/III ratios (higher NH3 flows). Confocal microscopy, excitation-dependent PL (PLE), and time-resolved photo-luminescence (TRPL) have been employed on these MQW structures to investigate the carrier lifetime characteristics. Confocal emission images show spatially-separated bright and dark regions. The bright regions are red-shifted in wavelength relative to the dark regions, suggesting microscopic spatial localization of high indium content regions. As the growth pressure and gas residence times are reduced, a larger difference in band-gap between bright and dark regions, longer lifetimes, and higher average PL intensities can be obtained, indicating that higher optical quality material can be realized. Optimized MQW's grown at high pressure exhibit higher PLE slope intensities and IQE characteristics than lower pressure samples. Results on simple LED structures indicate that the improvement in MQW optical quality at high pre

关键词： Organometallics

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Formant-based analysis of vowels in Modern Standard ArabicPreliminary results

Formant-based analysis of vowels in Modern Standard ArabicPr...

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2012 11th International Conference on Information Science, Signal Processing and their Applications, ISSPA 2012

作者： Seddiq, Yasser Mohammad Alotaibi, Yousef Ajami Computer Engineering Department King Saud University Saudi Arabia National Program of Electronics Communications and Photonics King Abdulaziz City for Science and Technology Saudi Arabia

ISBN: (纸本)9781467303828

Although of the importance of analyzing vowel phonemes in the Modern Standard Arabic (MSA), it has not been paid a considerable attention in the published literature yet. Consequently, a formant-based analysis for the six vowels of MSA in connected speech was carried out in this work. The values of the first three formant frequencies were captured. The present results were compared to some previously published results conducted on MSA and other Arabic dialects. The comparison was performed from geometric perspective using the Euclidean distance. The results of the geometric comparison were found to be consistent with the visual inspection of the vowel triangles. © 2012 IEEE.

关键词： Linguistics

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Needs of collaborative digital library for secondary school students in Thailand

Needs of collaborative digital library for secondary school ...

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14th International Conference on Asia-Pacific Digital Libraries, ICADL 2012

作者： Kanyacome, Suparp Loipha, Smarn Numprasertchai, Somchai Information Studies Khon Kaen University Thailand Program of Information Science and Communications Faculty of Humanities and Social Sciences Khon Kaen University Thailand Department of Computer Engineering Faculty of Engineering Kasetsart University Thailand

ISBN: (纸本)9783642347511

The objective of this research was to examine needs of collaborative digital library for secondary school students. 132 teachers and 397students from 132 secondary schools were selected by multi-stage random sampling method as samples. Data were collected during December 2011 - February 2012 by questionnaires and recording forms. Data were statically analyzed by using the percentage, mean, standard deviation and independent t-test. The outcome revealed that needs of collaborative digital library were virtual spaces consisted of 4 main aspects: 1) public area, 2) personal area, 3) collaborative area and 4) social activities area. The result illustrated that teachers were statistical significantly needed more in every aspect than the students at the level of 0.01. This study was a part to fulfill Ph.D dissertation and the result will be used to develop a prototype system in the future. © 2012 Springer-Verlag.

关键词： Digital libraries

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Effect of Growth Pressure and Gas-Phase Chemistry on the Optical Quality of InGaN/GaN Multi-Quantum Wells

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MRS Online Proceedings Library (OPL) 2013年第1期1538卷 341-351页

作者： E.A. Armour D. Byrnes R.A. Arif S.M. Lee E.A. Berkman G.D. Papasouliotis C. Li E.B. Stokes R. Hefti P. Moyer Veeco Instruments Turbodisc Operations 394 Elizabeth Avenue Somerset NJ 08873 U.S.A. Department of Electrical and Computer Engineering University of North Carolina at Charlotte 9201 University City Blvd Charlotte NC 28223 U.S.A. Center for Optoelectronics and Optical Communications University of North Carolina at Charlotte 9201 University City Blvd Charlotte NC 28223 U.S.A. Nanoscale Science Program University of North Carolina at Charlotte 9201 University City Blvd Charlotte NC 28223 U.S.A. Department of Physics & Optical Science University of North Carolina at Charlotte 9201 University City Blvd Charlotte NC 28223 U.S.A.

Blue light-emitting diodes (LED's), utilizing InGaN-based multi-quantum well (MQW) active regions deposited by organometallic chemical vapor epitaxy (OMVPE), are one of the fundamental building-blocks for current solid-state lighting applications. Studies [1,2] have previously been conducted to explore the optical and physical properties of the active MQW's over a variety of different OMVPE growth conditions. However, the conclusions of these papers have often been contradictory, possibly due to a limited data set or lack of understanding of the fundamental fluid dynamics and gas-phase chemistry that occurs during the deposition ***-quantum well structures grown over a range of pressures from typical low-pressure production processes at 200 Torr, up to near-atmospheric growth conditions at 700 Torr, have been investigated in this study. At all growth pressures, clear trends of gas-phase chemical reactions are observed for increased gas residence times (lower gas speeds from the injector flange and lower rotation rates) and increased V/III ratios (higher NH3 flows).Confocal microscopy, excitation-dependent PL (PLE), and time-resolved photo-luminescence (TRPL) have been employed on these MQW structures to investigate the carrier lifetime characteristics. Confocal emission images show spatially-separated bright and dark regions. The bright regions are red-shifted in wavelength relative to the dark regions, suggesting microscopic spatial localization of high indium content regions. As the growth pressure and gas residence times are reduced, a larger difference in band-gap between bright and dark regions, longer lifetimes, and higher average PL intensities can be obtained, indicating that higher optical quality material can be realized. Optimized MQW's grown at high pressure exhibit higher PLE slope intensities and IQE characteristics than lower pressure samples. Results on simple LED structures indicate that the improvement in MQW optical quality at high press

关键词： epitaxy metalorganic deposition optical properties

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Proceedings of the 8th Annual Conference on the Science of Dissemination and Implementation : Washington, DC, USA. 14-15 December 2015

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Implementation science : IS 2016年第2期11 Suppl 2卷 100页

作者： Chambers, David Simpson, Lisa Hill-Briggs, Felicia Neta, Gila Vinson, Cynthia Beidas, Rinad Marcus, Steven Aarons, Gregory Hoagwood, Kimberly Schoenwald, Sonja Evans, Arthur Hurford, Matthew Rubin, Ronnie Hadley, Trevor Barg, Frances Walsh, Lucia Adams, Danielle Mandell, David Martin, Lindsey Mignogna, Joseph Mott, Juliette Hundt, Natalie Kauth, Michael Kunik, Mark Naik, Aanand Cully, Jeffrey McGuire, Alan White, Dominique Bartholomew, Tom McGrew, John Luther, Lauren Rollins, Angie Salyers, Michelle Cooper, Brittany Funaiole, Angie Richards, Julie Lee, Amy Lapham, Gwen Caldeiro, Ryan Lozano, Paula Gildred, Tory Achtmeyer, Carol Ludman, Evette Addis, Megan Marx, Larry Bradley, Katharine VanDeinse, Tonya Wilson, Amy Blank Stacey, Burgin Powell, Byron Bunger, Alicia Cuddeback, Gary Barnett, Miya Stadnick, Nicole Brookman-Frazee, Lauren Lau, Anna Dorsey, Shannon Pullmann, Michael Mitchell, Shannon Schwartz, Robert Kirk, Arethusa Dusek, Kristi Oros, Marla Hosler, Colleen Gryczynski, Jan Barbosa, Carolina Dunlap, Laura Lounsbury, David O’Grady, Kevin Brown, Barry Damschroder, Laura Waltz, Thomas Ritchie, Mona Atkins, David Imel, Zac E. Xiao, Bo Can, Doğan Georgiou, Panayiotis Narayanan, Shrikanth Berkel, Cady Gallo, Carlos Sandler, Irwin Brown, C. Hendricks Wolchik, Sharlene Mauricio, Anne Marie Mehrotra, Sanjay Chandurkar, Dharmendra Bora, Siddhartha Das, Arup Tripathi, Anand Saggurti, Niranjan Raj, Anita Hughes, Eric Jacobs, Brian Kirkendall, Eric Loeb, Danielle Trinkley, Katy Yang, Michael Sprowell, Andrew Nease, Donald Lyon, Aaron Lewis, Cara Boyd, Meredith Melvin, Abigail Nicodimos, Semret Liu, Freda Jungbluth, Nathanial Flynn, Allen Landis-Lewis, Zach Sales, Anne Baloh, Jure Ward, Marcia Zhu, Xi Bennett, Ian Unutzer, Jurgen Mao, Johnny Proctor, Enola Vredevoogd, Mindy Chan, Ya-Fen Williams, Nathaniel Green, Phillip Bernstein, Steven Rosner, June-Marie DeWitt, Michelle Tetrault, Jeanette Dziura, James Hsiao, Allen Sussman, Scott O’Connor, Patrick Toll, Benjamin Jones, Michael Gassaway, Julie Tobin, Jonathan Zatzic Division of Cancer Control and Population Sciences National Cancer Institute National Institutes of Health Rockville USA AcademyHealth Washington USA Department of Medicine and Welch Center for Prevention Epidemiology and Clinical Research Johns Hopkins Medical Institutions Baltimore USA Psychiatry University of Pennsylvania Philadelphia USA Family Medicine and Community Health University of Pennsylvania Philadelphia USA School of Social Policy and Practice University of Pennsylvania Philadelphia USA Psychiatry UC San Diego La Jolla USA Child & Adolescent Psychiatry The Child Study Center at NYU Langone Medical Center New York NY New York USA Psychiatry and Behavioral Sciences MUSC Charleston USA DBHIDS City of Philadelphia Philadelphia USA CBH City of Philadelphia Philadelphia USA Psychiatry University of Pennsylvania Perelman School of Medicine Philadelphia USA Health Services Research & Development Department of Veterans Affairs & Baylor College of Medicine Houston USA Treatment Core Department of Veterans Affairs Waco USA National Center for PTSD Executive Division Department of Veterans Affairs White River Junction USA HSR&D HSR&D Center for Health Information and Communication Roudebush VA Medical Center Indianapolis USA Psychology Indiana University Purdue University Indianapolis Indianapolis USA Department of Psychiatric Rehabilitation and Counseling Rutgers University Newark USA Health Services Research & Development Richard L. Roudebush VAMC Indianapolis USA IUPUI Department of Psychology ACT Center of Indiana Indianapolis USA Human Development Washington State University Pullman USA Prevention Science Washington State University Pullman USA Group Health Research Institute Group Health Seattle USA Behavioral Health Services Group Health Seattle USA Preventive Care Group Health Seattle USA Health Services Research & Development Primary and Specialty Medical Care Service VA Puget Sound Seattle USA School of Social Work Un

A1 Introduction to the 8th Annual Conference on the Science of Dissemination and Implementation: Optimizing Personal and Population Health David Chambers, Lisa Simpson D1 Discussion forum: Population health D&I research Felicia Hill-Briggs D2 Discussion forum: Global health D&I research Gila Neta, Cynthia Vinson D3 Discussion forum: Precision medicine and D&I research David Chambers S1 Predictors of community therapists’ use of therapy techniques in a large public mental health system Rinad Beidas, Steven Marcus, Gregory Aarons, Kimberly Hoagwood, Sonja Schoenwald, Arthur Evans, Matthew Hurford, Ronnie Rubin, Trevor Hadley, Frances Barg, Lucia Walsh, Danielle Adams, David Mandell S2 Implementing brief cognitive behavioral therapy (CBT) in primary care: Clinicians' experiences from the field Lindsey Martin, Joseph Mignogna, Juliette Mott, Natalie Hundt, Michael Kauth, Mark Kunik, Aanand Naik, Jeffrey Cully S3 Clinician competence: Natural variation, factors affecting, and effect on patient outcomes Alan McGuire, Dominique White, Tom Bartholomew, John McGrew, Lauren Luther, Angie Rollins, Michelle Salyers S4 Exploring the multifaceted nature of sustainability in community-based prevention: A mixed-method approach Brittany Cooper, Angie Funaiole S5 Theory informed behavioral health integration in primary care: Mixed methods evaluation of the implementation of routine depression and alcohol screening and assessment Julie Richards, Amy Lee, Gwen Lapham, Ryan Caldeiro, Paula Lozano, Tory Gildred, Carol Achtmeyer, Evette Ludman, Megan Addis, Larry Marx, Katharine Bradley S6 Enhancing the evidence for specialty mental health probation through a hybrid efficacy and implementation study Tonya VanDeinse, Amy Blank Wilson, Burgin Stacey, Byron Powell, Alicia Bunger, Gary Cuddeback S7 Personalizing evidence-based child mental health care within a fiscally mandated policy reform Miya Barnett, Nicole Stadnick, Lauren Brookman-Frazee, Anna Lau S8 Leveraging an existing

关键词： Veteran Affair Motivational Interview Qualitative Comparative Analysis Community That Care Supplemental Nutrition Assistance program

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An implementation of a 2D FIR filter using the signed-digit number system

An implementation of a 2D FIR filter using the signed-digit ...

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Saudi International Electronics, communications and Photonics Conference 2011, SIECPC 2011

作者： Seddiq, Yasser Mohammad Altwaijry, Hesham National Program of Electronics Communications and Photonics King Abdulaziz City for Science and Technology Saudi Arabia Department of Computer Engineering King Saud University Saudi Arabia

ISBN: (纸本)9781457700699

An FIR filter is implemented in this work. Enhancing the arithmetic operations of the filter is considered. For the addition operation, the signed-digit number system is utilized. For the multiplication operation, Booth-3 algorithm is used to reduce the number of partial products. Then a 1D filter is used to construct a 2D filter that is deployed on real hardware in an image processing application. © 2011 IEEE.

关键词： Digital signal processing

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When social networking meets the next generation network

When social networking meets the next generation network

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13th Asia-Pacific Network Operations and Management Symposium: Managing Clouds, Smart Networks and Services, APNOMS 2011

作者： Chen, Rebecca Tsai, Meng-Hsun Wrobel, Tony Chen, Jui-Ming Wang, Sih-Han Ku, Shu-Shan Jung, Jen-Huei Jeng, Jeu-Yih IBM Taipei Taiwan Department of Computer Science and Information Engineering National Cheng Kung University Tainan Taiwan IBM United States Networked Communications Program Taipei Taiwan Department of Computer Science National Chiao Tung University Hsinchu Taiwan Telecommunication Laboratories Chunghwa Telecom. Co. Ltd. Taipei Taiwan

ISBN: (纸本)9781457716706

As mobile technologies evolved, the mobile networks provided users not only high mobility, but also high data rates and flexible services. Meanwhile, Internet services had been very successful from 1970s to date. However, the Internet and the mobile telecommunications evolved separately and were not compatible until 3GPP proposed the IP Multimedia Subsystem (IMS). In this paper, we first introduce mobile Web 2.0 application creation in the next generation IMS network. Then we propose a proof-of-concept service called "JoinMe" on the IBM-NCTU IMS network to study how a social networking service can be created for mobile networks. © 2011 IEEE.

关键词： Web services

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An implementation of a 2D FIR filter using the signed-digit number system

An implementation of a 2D FIR filter using the signed-digit ...

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Electronics, communications and Photonics Conference (SIECPC), Saudi International

作者： Yasser Mohammad Seddiq Hesham Altwaijry Department of Computer Engineering King Saud University Saudi Arabia National Program of Electronics Communications and Photonics King Abdulaziz City for Science and Technology Saudi Arabia

关键词： Finite impulse response filter Filtering algorithms Delay Field programmable gate arrays Digital signal processing Adders

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