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检索条件"任意字段=10th International Conference on Computer-Aided Design and Computer Graphics"

共 10291 条记录，以下是4911-4920 订阅

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An Improved Teaching-Learning Based Optimization for Optimization of Flatness of a Strip During a Coiling Process 10th

引用

10th Multi-Disciplinary international Workshop on Artificial Intelligence (MIWAI)

作者： Bureerat, Sujin Pholdee, Nantiwat Park, Won-Woong Kim, Dong-Kyu Khon Kaen Univ Fac Engn Sustainable & Infrastruct Res & Dev Ctr Dept Mech Engn 123 Moo 16 Mittraphap Rd Khon Kaen Thailand Korea Adv Inst Sci & Technol Natl Res Lab Comp Aided Mat Proc Dept Mech Engn Daejeon South Korea Korea Atom Energy Res Inst Div Neutron Sci Daejeon South Korea

ISBN: (纸本)9783319493978;9783319493961

Performance enhancement of a teaching-learning basedz optimizer (TLBO) for strip flatness optimization during a coiling process is proposed. the method is termed improved teaching-learning based optimization (ITLBO). the new algorithm is achieved by modifying the teaching phase of the original TLBO. the design problem is set to find spool geometry and coiling tension in order to minimize flatness defects during the coiling process. Having implemented the new optimizer with flatness optimization for strip coiling, the results reveal that the proposed method gives a better optimum solution compared to the present state-of-the-art methods.

关键词： Evolutionary algorithm Flatness defect Optimization Strip coiling Teaching-learning based optimization

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design and Implementation for Near-optimal Non-coherent Sequence Detection of CPM 10

Design and Implementation for Near-optimal Non-coherent Sequ...

引用

10th international conference on Wireless Communications and Signal Processing (WCSP)

作者： Lai, Penghui Wang, Shilian Peng, Cong Ma, Yanmin Gao, Kai Yang, Chun Natl Univ Def Technol Sch Elect Sci Changsha Hunan Peoples R China China Acad Engn Phys Technol Inst Elect Engn Mianyang Peoples R China

ISBN: (纸本)9781538661192

Continuous phase modulation (CPM) has been widely used in telecommunication and aeronautical telemetry system due to its high power and spectral efficiency. Non-coherent detection is a kind of feasible CPM detection method if there is large phase noise or residual carrier frequency offset. Near-optimal non-coherent sequence detection, which is based on Viterbi algorithm, has a performance close to that of maximum-likelihood sequence detection (MLSD). However, near-optimal non-coherent detection of CPM is very complicated to he implemented, and it is even more difficult to achieve a high speed due to feedback in the process of calculating branch metrics, add-compare-select (ACS), updating the beginning phase and phase reference symbol. In this paper, we first review near-optimal non-coherent detection of CPM, and then we present a high speed design of FPGA implementation for near-optimal non-coherent detection of a 64 state, 4-ary, length-3T raised cosine (3RC) CPM on Xilinx XC7VX690T device. In our scheme, the frequency pulse truncation is used to simplify the CPM detection. We propose a feedback processing in parallel for different states of CPM trellis to achieve a low latency. Furthermore, we develop a recursive implementation architecture for the process of updating the beginning phase. We achieve the CPM bit rate of 25Mbps for the on-chip processing clock of 100MHz. the results of simulation shows near-optimal non-coherent detection performs much better the coherent detection when residual carrier frequency offset or phase noise exists. It is found that the implementation can achieve a degradation in the Eb/NO from computer simulation of as small as 0.3 dB for an average BER=10(5).

关键词： FPGA Implementation Non-coherent Sequence Detection CPM

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Active IRS aided Secure design for Integrated Sensing and SWIPT 10

Active IRS Aided Secure Design for Integrated Sensing and SW...

引用

10th IEEE international Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, MAPE 2024

作者： Xu, Jinlei Zhang, Jifa Liu, Mingqian Zhao, Nan Al-Dhahir, Naofal Wang, Xianbin School of Information and Communication Engineering Dalian University of Technology Dalian116024 China Xidian University State Key Laboratory of Integrated Service Networks Shanxi Xian710071 China Department of Electrical and Computer Engineering University of Texas at Dallas RichardsonTX75083 United States

ISBN: (纸本)9798331533922

In this paper, an active intelligent reflecting surface (IRS) assisted secure integrated sensing and simultaneous wireless information and power transfer system is proposed with the power splitting (PS) model adopted. Aiming to maximize the harvested power while satisfying the constraints of the integrated sidelobe level ratio and secrecy rate, an optimization problem is formulated to jointly determine the appropriate transmit beamforming, artificial noise (AN) vectors, PS ratios, as well as the amplification factors and phase shifts of the active IRS, which is non-convex and intractable. To overcome this challenge, we leverage semidefinite programming to transform it into a convex counterpart, and propose an alternating optimization algorithm to obtain a solution for the original problem. Simulation results demonstrate the effectiveness of the proposed scheme compared to benchmarks. © 2024 IEEE.

关键词： Inductive power transmission

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Constructing zero-deficiency parallel prefix adder of minimum depth 05

Constructing zero-deficiency parallel prefix adder of minimu...

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10th Asia and South Pacific design Automation conference

作者： Zhu, Haikun Cheng, Chung-Kuan Graham, Ronald Univ Calif San Diego Dept Comp Sci & Engn La Jolla CA 92093 USA

ISBN: (纸本)0780387368

Parallel prefix adder is a general technique for speeding up binary addition. In unit delay model, we denote the size and depth of an n-bit prefix adder C(n) as s(C)(n) and d(C)(n) respectively. Snir proved that S-C(n) + d(C)(n) >= 2n - 2 holds for arbitrary prefix adders. Hence, a prefix adder is said to be of zero-deficiency if S-C(n) + d(C)(n) = 2n - 2. In this paper, we first propose a new architecture of zero-deficiency prefix adder dubbed Z(d), which provably has the minimal depth among all kinds of zero-deficiency prefix adders. We then design a 64-bit prefix adder Z64, which is derived from Z(d)vertical bar d=8, and compare it against several classical prefix adders of the same bit width in terms of area and delay using logical effort method. the result shows that the proposed Z(d) adder is also promising in practical VLSI design.

关键词： adders parallel architectures integrated circuit design logic CAD circuit CAD zero-deficiency parallel prefix adder binary addition n-bit prefix adder minimal depth Z64 prefix adder logical effort method 64 bit adders computer aided logic design circuit CAD Parallel architectures integrated circuit design cyanogen binary addition

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the Research and Development of Parts Library System oriented to High Voltage Switchgear

The Research and Development of Parts Library System oriente...

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2009 IEEE 10th international conference on computer-aided Industrial design & Conceptual design(2009 IEEE 第十届国际计算机辅助工业设计与概念设计学术会议 CAID&CD'2009)

作者： Tao Dong Yu Zhang Guo Li Bo Li CIMS Application and Research Center Kunming University of Science and Technology Kunming Yunnan Province 650093 China

High voltage switchgear products always produce a great lot of parts models and design information in digital *** such products have the characteristics of series and complexity. therefor, this paper takes a certain series of outdoor HV isolating switchgear as an example, and multiattribute mapping parts library system has been researched and developed based on C/S mode for corporate design department, which achieves an effective classification ,dynamic management ,information integration, reuse and variant design of parts. Simultaneity, this system is seamlessly integrated with the Inventor 2008 design software. All of these can greatly improve system efficiency and design efficiency, and shorten the product development cycle.

关键词： HV Switchgear Parts Library System Parametric Secondary Development Variant design

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Cooperative Beamforming and Artificial Noise design for Secure Multi-pair Communications in Wireless Two-Way Relay Networks 10th

Cooperative Beamforming and Artificial Noise Design for Secu...

引用

10th international conference on Wireless Algorithms, Systems, and Applications (WASA)

作者： Zhang, Yizhen Li, Guobing Zhang, Guomei Lyu, Gangming Xi An Jiao Tong Univ Sch Elect & Informat Engn Xian 710049 Peoples R China

ISBN: (纸本)9783319218373;9783319218366

In this paper, a secure cooperative beamforming and artificial noise design scheme is developed for multi-pair two-way relay networks. We derive the secrecy sum rate for multi-pair two-way relaying, where each communication pair exchanges information through multiple friendly and cooperating relays while under the interception of multiple passive eavesdroppers. We formulate the secrecy sum rate maximization problem and show its non-convexity. We then propose a beamforming and artificial noise design scheme by transforming this problem into a series of convex problems by a tight semidefinite relaxation (SDR) and Taylor approximation. Simulations show that the proposed method converges fast with a high secure sum rate.

关键词： Physical-layer security Two-way relay Multi-pair communications Secrecy sum rate

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Predictors of Transfer of Experimental design Skills in Elementary and Middle School Children

Predictors of Transfer of Experimental Design Skills in Elem...

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10th international conference on Intelligent Tutoring Systems

作者： Siler, Stephanie Klahr, David Magaro, Cressida Willows, Kevin Mowery, Dana Carnegie Mellon Univ Dept Psychol 5000 Forbes Ave Pittsburgh PA 15213 USA Pittsburgh Sci & Technol Acad Pittsburgh PA 15213 USA

ISBN: (纸本)9783642134364

A vital goal of instruction is to enable learners to transfer acquired knowledge to appropriate future situations For elementary school children in middle-high-SES schools. "explicit" instruction on the Control of Variables Strategy (CVS) has proven to be very effective at promoting transfer. even after time delays. when administered by human instructors [1], [2] and when administered by our computer tutor ("TED" for Training in Experimental design) However, when the same instruction was delivered to students in low-SES schools, near-but especially far-transfer rates were lower We discuss our findings of the predictors of transfer in this population, and an initial investigation assessing the causal status of one candidate factor for far transfer. understanding the logic of CVS Finally, we discuss the potential implications of these findings for ways to adapt instruction to individual students

关键词： transfer experimental design skills computer-based tutor

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Reconfigurable computer system based on Virtex UltraScale FPGAs with liquid cooling 10

Reconfigurable computer system based on Virtex UltraScale FP...

引用

10th Annual international Scientific conference on Parallel Computing Technologies, PCT 2016

作者： Levin, I.I. Dordopulo, A.I. Doronchenko, Y.I. Raskladkin, M.K. Scientific Research Centre of Supercomputers and Neurocomputers Co Ltd. Taganrog Russia Southern Scientific Centre of the Russian Academy of Sciences Rostov-on-Don Russia

the paper covers architecture, circuit layout and comparative technical characteristics of the next-generation reconfigurable computer systems (RCS) based on Xilinx Virtex UltraScale FPGAs with liquid cooling. the paper contains results of design, prototyping and experimental testing of the principal technical solutions of the created computational module, and deals with the design technology of high-performance computer systems with the help of computational module with liquid cooling. the next-generation RCSs based on the computational module with liquid cooling provide the performance of 1 PetaFlops in a standard 47U computational cabinet with the power of 150 kWatt, and a considerable gain in such technical and economic parameters as real and specific performance, power efficiency, mass and dimension characteristics and others in comparison with similar systems.

关键词： Field programmable gate arrays (FPGA)

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Stylized Liquid Animation with Temporal Coherence

Stylized Liquid Animation with Temporal Coherence

引用

2007 10th IEEE international conferences on computer aided design and computer graphics(CAD/graphics 2007)

作者： Hao Jing,Bingfeng Zhou Institute of computer Science and Technology,Peking University,Beijing 100871,China

Our liquid simulator is mainly based on octree-staggered *** use the compact difference scheme which is often used in non-staggered grid to achieve fourth order *** modified the compact scheme suitable to adaptive octree-staggered *** stylized rendering procedure,we use 2D texture mapping method to generate still *** scheme smoothing in time axes is introduced to maintain temporal coherence in *** algorithm we used can reduce the stroke "twinkle" phenomenon among frames.

关键词： Laplacian Stylized Liquid Animation with Temporal Coherence

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Saite AVA experience report on the construction of a virtual learning environment for learning paths methodology 10

Saite AVA experience report on the construction of a virtual...

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10th international conference on computer Supported Education, CSEDU 2018

作者： De Oliveira, Ana Emilia Figueiredo Spinillo, Carla Galvão Almeida, Ana Maria Lima Rabêlo, Dilson José Lins De Assis, Katherine Marjorie Mendonça De Castro E Lima, Camila Santos Rabelo, Aldrea Malheiros Oliveira Haddad, Ana Estela UNA-SUS/UFMA Federal University of Maranhão Viana Vaz Street 41 São Luís Brazil Department of Design Federal University of Paraná General Carneiro Street 460 Curitiba Brazil FOUSP University of São Paulo School of Dentistry Professor Lineu Prestes Avenue 2227 São Paulo Brazil

ISBN: (纸本)9789897582912

In the education modality known as Distance Learning (DL), the virtual learning environment (VLE) is the main platform that students use to take courses. therefore, it should be designed to meet users' expectations and needs and to be appropriate, following the innovations in the field of technology and education. this paper aims to perform a detailing of the VLE of UNA-SUS/UFMA: the Saite VLE, which is based on the methodology of Learning Trails. Saite VLE operation from user's perspective will be explored, highlighting the most important and ground breaking aspects. In addition, it is intended to report the production process of this VLE from the point of view of the teams involved: pedagogical, graphic design and technology. Finally, it is highlighted the importance of applying updated teaching methodologies in DE courses, considering the innovations that constantly emerge in education. Copyright © 2018 by SCITEPRESS - Science and Technology Publications, Lda. All rights reserved.

关键词： E-learning

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