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2019 IEEE East-West Design and Test Symposium, EWDTS 2019

作者： Adamov, Alexander Carlsson, Anders Surmacz, Tomasz NioGuard Security Lab Kharkiv National University of Radio Electronics Kharkiv Ukraine Dep. of Computer Science Blekinge Institute of Technology Karlskrona Sweden Institute of Computer Engineering Control and Robotics Wroclaw University of Science and Technology Wroclaw Poland

ISBN: (纸本)9781728110035

This paper contains an analysis of the LockerGoga ransomware that was used in the range of targeted cyberattacks in the first half of 2019 against Norsk Hydra-A world top 5 aluminum manufacturer, as well as the US chemical enterprises Hexion, and Momentive-Those companies are only the tip of the iceberg that reported the attack to the public. The ransomware was executed by attackers from inside a corporate network to encrypt the data on enterprise servers and, thus, taking down the information control systems. The intruders asked for a ransom to release a master key and decryption tool that can be used to decrypt the affected files. The purpose of the analysis is to find out tactics and techniques used by the LockerGoga ransomware during the cryptolocker attack as well as an encryption model to answer the question if the encrypted files can be decrypted with or without paying a ransom. The scientific novelty of the paper lies in an analysis methodology that is based on various reverse engineering techniques such as multi-process debugging and using open source code of a cryptographic library to find out a ransomware encryption model. © 2019 IEEE.

关键词： Reverse engineering

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Synthesis of a Single-Channel Device for Receiving and Primary Signal Processing under Conditions of Structural-Parametric A priori Uncertainty

Synthesis of a Single-Channel Device for Receiving and Prima...

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Ukrainian Microwave Week (UkrMW), IEEE

作者： Mykola Kaliuzhnyi Valerii Semenets Valerii Orlenko Serhii Galkin Qiang Guo Yu Zheng Problem research laboratory Kharkiv National University of Radio Electronics Kharkiv Ukraine Kharkiv National University of Radio Electronics Kharkiv Ukraine Ukrainian-Chineese Cooperation Dep. Kharkiv National University of Radio Electronics Kharkiv Ukraine Computer Science and Intellectual Department National Technical University «KhPI» Kharkiv Ukraine College of Information and Telecommunication Enginttring Harbin Engineering University) Harbin P.R. China Department Micro- and Nano-Electronics Qingdao University Qingdao P.R. China

ISBN: (纸本)9798350331530

The synthesis of a single-channel broadband device for receiving and primary processing of radio signals that employs the pulse compression technique is presented given the case where its input signals are received in conditions of their structural-parametric a priori uncertainty. The synthesis was carried out based on the mathematical apparatus of the theory of statistical decisions and on the discrete signal representation in the time-frequency domain. The results of prototyping and experimental studies concerning the receiver that was synthesized in accordance with the structural-functional diagram on the basis of spectrum analyzer with pulse compression technique (SAPCT) are briefly presented. An experiment is described that allowed us to verify the possibilities of obtaining the Fourier transform with regard to the elements of input signals, as well as possibilities of detecting and measuring the frequency-time parameters of these signals. These parameters allow us to figure out the structure and characteristics of input signal bursts [6].

关键词： Microwave measurement Time-frequency analysis Uncertainty Fourier transforms Receivers Microwave devices Signal processing

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Immersive Technologies in Higher Education: Applications, Challenges, and Good Practices 2019

Immersive Technologies in Higher Education: Applications, Ch...

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Proceedings of the 2019 3rd International Conference on Education and E-Learning

作者： Laura Calvet Pierre Bourdin Ferran Prados IN3-Computer Science Dep. Universitat Oberta de Catalunya Barcelona Spain and Área de empresa Universidad Internacional de Valencia Valencia Spain Computer Science Dep. Universitat Oberta de Catalunya Barcelona Spain Eventlab Edifici Teatre and Departament de Psicologia Clínica i Psicobiologia Universitat de Barcelona Barcelona Spain Computer Science Dep. Universitat Oberta de Catalunya Barcelona Spain and Medical Physics and Biomedical Engineering Department University College London London United Kingdom

ISBN: (纸本)9781450372251

Immersive technologies are becoming increasingly popular in a wide range of fields from gaming to therapy. While there is a high number of case studies in education with promising results in terms of students' performance and engagement, there has still not been widespread adoption. Indeed, more research focused on large-size samples, assessing and discussing the effects on the medium and large term is required, as well as comparisons among different hardware and software, and guidelines for instructors that want to introduce these technologies in their classrooms. In this paper, we focus on the use of immersive technologies applications in higher education. In particular, we explain the basics of immersive technologies, review the main applications in higher education, discuss benefits and challenges, and describe good practices for instructors.

关键词： Students' engagement Virtual reality Learning & ICT

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Pulmonary Health Assessment using Fiber Bragg Gratings in a 3D Printed Spirometer 27

Pulmonary Health Assessment using Fiber Bragg Gratings in a ...

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27th International Conference on Optical Fiber Sensors, OFS 2020

作者： Nepomuceno, Ana Catarina Pereira, Luís Alberto, Nélia André, Paulo Antunes, Paulo Domingues, M. Fátima Instituto de Telecomunicações Campus Universitário de Santiago Aveiro3810-193 Portugal Department of Physics I3N University of Aveiro Campus Universitário de Santiago Aveiro3810-193 Portugal Dep. of Electrical and Computer Engineering Instituto de Telecomunicações Instituto Superior Técnico University of Lisbon Lisbon1049-001 Portugal

We present the design and implementation of a FBG based 3D-printed spirometer. The flow-volume curves acquired are consistent with the ones obtained in such medical exams, which renders the proposed solution reliable ... 详细信息

ISBN: (纸本)9781557523075

关键词： Fiber Bragg gratings

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Optical fiber FPI based sensor for arterial pulse waves assessment 27

Optical fiber FPI based sensor for arterial pulse waves asse...

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27th International Conference on Optical Fiber Sensors, OFS 2020

作者： Leitão, Cátia Sousa, Ricardo Alberto, Nélia André, Paulo Pinto, João Antunes, Paulo Domingues, M. Fátima Department of Physics I3N University of Aveiro Campus Universitário de Santiago Aveiro3810-193 Portugal Instituto de Telecomunicações Campus Universitário de Santiago Aveiro3810-193 Portugal Dep. of Electrical and Computer Engineering Instituto de Telecomunicações Instituto Superior Técnico University of Lisbon Lisbon1049-001 Portugal

Assessment of the arterial pulse wave (APW) based on Fabry-Perot interferometer (FPI) sensors, interrogated by the convolution of the narrow band optical signal with the FPI spectral response. This is a reliable solut... 详细信息

ISBN: (纸本)9781557523075

关键词： Fabry-Perot interferometers

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SSAM: A Haskell Parallel Programming STM Based Simple Actor Model

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Journal of Physics: Conference Series 2020年第1期1566卷

作者： Y Kim J Cheon T Hur S Byun G Woo Dep. of Electrical and Computer Engineering Pusan National University Dep. of Computer Science Kyungsung University Smart Control Center of LG Electronics

As computers with manycore architecture are being widely spread, parallel programming becomes a pending issue. While parallel programming has been a challenging issue, Haskell is known to be of the best available one. The immutability and declarative nature of Haskell suit well the need for parallelism. In our previous work, we implemented the SAM, a parallel programming model based on Haskell. In this paper, we propose the SSAM, an updated version of SAM, by solving the performance overhead of SAM socket. We discuss the architecture of SSAM and its major functions and show the 14% scalability upgrade in a performance test.

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An Analysis of Haskell Parallel Programming Model in the HaLVM

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Journal of Physics: Conference Series 2020年第1期1566卷

作者： Junseok Cheon Yeoneo Kim Taekwang Hur Sugwoo Byun Gyun Woo Dep. of Electrical and Computer Engineering Pusan National University Dep. of Computer Science Kyungsung University Smart Control Center of LG Electronics

Recently, cloud computers are widely used due to the development of computing environment and network speed. Unikernel is considered to be an attractive operating system in the manycore environment that effectively provides cloud computers. HalVM is a unikernel coded in Haskell. In this paper, we analyze the performance of Haskell running in a unikernel, which has shown good parallel programming performance in a manycore environment. In this paper, we analyze the performance of Haskell running in a unikernel, while Haskell has shown good performance in a manycore environment. To do this, we select HaLVM as the target operating system and analyze the performance by testing various Haskell parallel programming models. Test result shows that HaLVM is scalable only on IVC. We also implement a library to make programming with IVC more convenient, and use this library to compare extensibility experiments. Our test shows HaLVM's scalability is 112.42% higher than Linux environment.

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A bibliometric analysis of technology management research at PICMET for 2009-2018

A bibliometric analysis of technology management research at...

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2019 Portland International Conference on Management of engineering and Technology, PICMET 2019

作者： Cetindamar, D. Kocaoglu, D. Lammers, T. Merigo, J.M. School of Information Systems and Modelling Faculty of Engineering and Information Technology University of Technology Sydney Sydney Australia Engineering and Technology Management Department Portland State University PortlandOR United States Dep. of Management Control and Information Systems School of Economics and Business University of Chile Santiago Chile

ISBN: (纸本)9781890843403

The Portland International Centre for Management of engineering and Technology (PICMET) was established in 1989. It has since become one of the leading organizations in the field of management of engineering and technology in the world. PICMET provides a strong platform for academicians, industry professionals and government representatives to exchange new knowledge derived from both research and implementation of technology management. To celebrate its 30-year journey, and to show the trends in technology management research and implementation over the past ten years (2009-2018), this paper presents a bibliometric analysis of the more than 3000 papers accepted for inclusion in PICMET conferences. The study highlights the topics, authors, journals and countries where significant research on technology management is conducted. © 2019 PICMET.

关键词： Knowledge management

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Immersive technologies in higher education: Applications, challenges, and good practices 3

Immersive technologies in higher education: Applications, ch...

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3rd International Conference on Education and E-Learning, ICEEL 2019

作者： Calvet, Laura Bourdin, Pierre Prados, Ferran IN3-Computer Science Dep. Universitat Oberta de Catalunya Barcelona Spain Área de empresa Universidad Internacional de Valencia Valencia Spain Computer Science Dep. Universitat Oberta de Catalunya Barcelona Spain Eventlab Edifici Teatre Departament de Psicologia Clínica i Psicobiologia Universitat de Barcelona Barcelona Spain Medical Physics and Biomedical Engineering Department University College London London United Kingdom

ISBN: (纸本)9781450372251

关键词： Virtual reality

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Reversible dielectric breakdown in h-BN stacks: a statistical study of the switching voltages

Reversible dielectric breakdown in h-BN stacks: a statistica...

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Annual International Symposium on Reliability Physics

作者： J. B. Roldán D. Maldonado F. Jiménez-Molinos C. Acal J.E. Ruiz-Castro A.M. Aguilera F. Hui J. Kong Y. Shi X. Jing C. Wen M.A. Villena M. Lanza Dep. Electrónica y Tecnología de Computadores Universidad de Granada Granada Spain Dep. Estadística e Investigación Operativa Universidad de Granada Granada Spain Faculty of Materials Science and Engineering Technion – Israel Institute of Technology Haifa Israel Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology MA USA IMEC Leuven Belgium Institute of Functional Nano and Soft Materials (FUNSOM) Soochow University Suzhou China

ISBN: (数字)9781728131993

ISBN: (纸本)9781728132006

Memristor devices with the Au/Ag/h-BN/Fe structure have been fabricated and characterized. The switching voltages, and other newly-defined parameters extracted, like V 2dmax1 and V 2dmax2 , have been analyzed statistically in an exhaustive manner. The conduction across the memristor can be described well with a Quantum Point Contact (QPC) model that accounts for quantized filamentary conduction. The distributions of set and reset voltages have been proved to be accurately reproduced by using Weibull distributions. We also present an analysis making use of phase-type distributions to characterize the measured data stochasticity.

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