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International Workshop on High-Level Parallel Programming Models and Supportive Environments

作者： J.M. Nash M.E. Dyer P.M. Dew Scalable Systems and Algorithms Group School of Computer Studies Leeds University Leeds UK

The takeup of parallel computing has been hampered by the lack of portable software. The BSP model allows the design of portable code for regular computations. This paper describes the use of the WPRAM model to support more irregular problems. A shared queue data type is described which provides predictable and scalable performance characteristics. The queue can be used to structure the sharing of data in a parallel system, resulting in code which is portable and amenable to performance analysis.

关键词： algorithm design and analysis Costs Queueing analysis Parallel processing Costing Software algorithms Performance analysis Programming profession Computer industry Convergence

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Research on the Teaching Reform of algorithm design and analysis Course Under the Background of Engineering Education Professional Certification

Research on the Teaching Reform of Algorithm Design and Anal...

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IEEE International Symposium on Information (IT) in Medicine and Education, ITME

作者： Leiting Gao Chunguang Zheng Canwei Wang School of Information Engineering Shandong Management University Jinan China

ISBN: (数字)9798350356670

ISBN: (纸本)9798350356687

In order to further improve the level of new engineering professional construction and enhance students' practical programming and innovation capabilities, we carried out teaching reform and practice for the algorithm design and analysis course. Under the guidance of output-oriented and student-centered teaching concept, we analyzed the problems existing in the traditional teaching process of the course, and built up a new course teaching model from the aspects of classroom teaching, course content, teacher-student communication, course assessment, computational thinking as well as moral education. Since the implementation of the new teaching model, the students' grades and learning enthusiasm of this course have been greatly improved, and they have won excellent results in many national algorithm competitions.

关键词： algorithm design and analysis Analytical models Technological innovation Ethics Computational modeling History Engineering education Information technology Certification Programming profession

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The algorithm design and analysis Teaching Research Based on the Practical Teaching

The Algorithm Design and Analysis Teaching Research Based on...

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2016 3rd International Conference on Education,Management and Computing Technology(ICEMCT 2016)

作者： Yong LI College of Computer Science and Engineering Qujing Normal University

ISBN: (纸本)9781510835474

algorithm design and analysis is a core course of the computer and related professional, also is a comprehensive and practical course. Therefore, good teaching effect can not only improve students' ability on logical thinking, and also, it is beneficial for students to improve the ability of programming practice. In this paper, referencing to the teaching reform achievements on algorithm design and analysis that from other domestic key universities teacher, then, analyzed the teaching situation of algorithm design and analysis in our college. Aiming at shortcomings of the past teaching process of organization,proposed a teaching organization mode framework on algorithm design and analysis, in order to cultivate the students' ability of programming practice that electived algorithm design and analysis course. Through the implementation of the organization framework's, students can further improve and exercise their programming practice ability.

关键词： algorithm design and analysis Programming practice ability Teaching organization mode Practical teaching

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A calibration algorithm design and analysis for VIIRS Thermal Emissive Bands based on the EOS MODIS approach

A calibration algorithm design and analysis for VIIRS Therma...

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IEEE International Symposium on Geoscience and Remote Sensing (IGARSS)

作者： B. Guenther X. Xiong W.L. Barnes R.E. Murphy UMBC/GEST NASA''s Goddard Space Flight Center Greenbelt MD USA Earth Science Directorate NASA''s Goddard Space Flight Center Greenbelt MD USA

The Visible and Infrared Imager/Radiometer Suite (VIIRS) is a key instrument for the National Polar-orbiting Operational Environmental Satellite System (NPOESS). NPOESS is the next generation of US polar orbiting operational weather satellites. The VIIRS sensor has 22 spectral bands with wavelengths from 0.4 to 12 /spl mu/m and nadir spatial resolution of 0.375 km (5 bands) and 0.75 km (17 bands). The first flight of the VIIRS will be on the NPOESS Preparatory Project (NPP), and the Npp data sets provide a bridge from the Earth Observing System (EOS) MODIS research and development program into NPOESS operational program. For the VIIRS Thermal Emissive Bands (TEB) in the infrared, the major change in the VIIRS design from MODIS is a transition to a rotating telescope foreoptics to replace a single-element scan mirror. The VIIRS TEB calibration equation for earth observations is developed using principals on which the MODIS TEB calibration is developed. The primary difference in the radiometric calibration concepts for VIIRS compared to MODIS is a weakly coupled sensitivity on VIIRS to the telescope optics temperatures.

关键词： algorithm design and analysis Calibration Earth Observing System MODIS Radiometry Telescopes Infrared imaging Instruments Satellite broadcasting Artificial satellites

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The Project Actuation of Course Teaching Reform Based on Blended Learning——Taking algorithm design and analysis for Example 3rd

The Project Actuation of Course Teaching Reform Based on Ble...

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2017 the 3rd International Symposium on Social Science(ISSS 2017)

作者： Fang Ge College of Computer engineering Bengbu College

ISBN: (纸本)9781510841239

algorithm design and analysis is the core courses of computer science and *** paper proposes improvement measure of the model of the hybrid teaching,project teaching,teacher's scientific research achievements as well as the ways of examination reform to solve the problem which introduce firstly existing in the process of the curriculum targets and teaching,which arm to improve the quality of teaching and provide environmental support for cultivating engineering applied talents.

关键词： algorithm design and analysis Course Teaching Project-oriented Teaching Pattern

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An Integrated Application of Educational Technologies for "algorithm design and analysis" Course

An Integrated Application of Educational Technologies for "A...

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2013年教育技术与管理科学国际会议

作者： Xiong Luo Zhaoshun Wang Junwei Zhou Yi Chen School of Computer and Communication Engineering University of Science and Technology Beijing (USTB)

In this paper, according to the teaching requirement of "algorithm design and analysis" course, we discuss the educational technologies for this course based on our teaching practice. Starting from the analysis of the general deficiencies under current teaching mode, we give some improvements for it. To address the problems, we propose an integrated application method of educational technologies for "algorithm design and analysis" course by combining problem-base-based "filling teaching", multi-level heuristic teaching, curriculum-design-based comprehensive training, and so on. The teaching practice in our course shows the effectiveness of those integrated educational technologies. The satisfactory teaching effect is achieved.

关键词： algorithm design and analysis integrated application heuristic teaching

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Optimal ISP subscription for Internet multihoming: algorithm design and implication analysis

Optimal ISP subscription for Internet multihoming: algorithm...

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IEEE Annual Joint Conference: INFOCOM, IEEE Computer and Communications Societies

作者： H. Wang H. Xie L. Qiu A. Silberschatz Y.R. Yang Computer Science Department Yale University New Haven CT USA Microsoft Research Redmond WA

Multihoming is a popular method used by large enterprises and stub ISPs to connect to the Internet to reduce cost and improve performance. Recently researchers have studied the potential benefits of multihoming and proposed protocols and algorithms to realize these benefits. They focus on how to dynamically select which ISPs to use for forwarding and receiving packets, and assume that the set of subscribed ISPs is given a priori. In practice, a user often has the freedom to choose which subset of ISPs among all available ISPs to subscribe to. We call the problem of how to choose the optimal set of ISPs the ISP subscription problem. In this paper, We design a dynamic programming algorithm to solve the ISP subscription problem optimally. We also design a more efficient algorithm for a large class of common pricing functions. Using real traffic traces and realistic pricing data, we show that our algorithm reduces users' cost. Next we study how ISPs respond to users' optimal ISP subscription by adjusting their pricing strategies. We call this problem the ISP pricing problem. Using a realistic charging model, we formulate the problem as a non-cooperative game. We first prove that if cost is the only criterion used by a user to determine which subset of ISPs to subscribe to, at any equilibrium all ISPs receive zero revenue. We then study a more practical formulation in which different ISPs provide different levels of reliability and users choose ISPs to both improve reliability and reduce cost. We analyze this problem and show that at any equilibrium an ISP's revenue is positive and determined by its reliability.

关键词： algorithm design and analysis Subscriptions Internet Pricing Routing Dynamic programming Heuristic algorithms Cost function Computer science Protocols

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analysis AND design OF A SIGNED REGRESSOR LMS algorithm FOR STATIONARY AND NONSTATIONARY ADAPTIVE FILTERING WITH CORRELATED GAUSSIAN DATA

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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS 1990年第11期37卷 1367-1374页

作者： EWEDA, E Department of Electrical Engineering Military Technical College Cairo Egypt

A least mean square (LMS) algorithm with clipped data is studied for use when updating the weights of an adaptive filter with correlated Gaussian input. Both stationary and nonstationary environments are considered. Three main contributions are presented. The first, corresponding to the stationary case, is a proof of the convergence of the algorithm in the case of a M-dependent sequence of correlated observation vectors. It is proven that the steady state mean square misalignment of the adaptive filter weights has an upper bound proportional to the algorithm step size mu . The second contribution, also belonging to the stationary case, is the derivation of the expressions of convergence time N/sub c/ and steady state mean square excess estimation error epsilon . It is shown that N/sub c/ is proportional to 1/( mu lambda ), with lambda being the minimum eigenvalue of the input covariance matrix. It is also shown that the product N/sub c/ epsilon is independent of mu . For a given epsilon , the convergence time increases with the eigenvalue spread of the input covariance matrix and the filter length, as well as its input noise power. The range of mu that achieves tolerable values of N/sub c/ and epsilon is determined. The third contribution is concerned with the nonstationary case. It is shown that the mean square excess estimation error is the sum of the two terms with opposite dependencies on mu . An optimum value of mu is derived.< >

关键词： algorithm design and analysis Least squares approximation Adaptive filters Estimation error Convergence Filtering algorithms Steady-state Eigenvalues and eigenfunctions Covariance matrix Circuits and systems

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Performance analysis and design of CQBT algorithm for a ring network with spatial reuse

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IEEE-ACM TRANSACTIONS ON NETWORKING 1996年第4期4卷 649-659页

作者： Rubin, I Wu, HT CHANG GUNG COLL MED & TECHNOL DEPT ELECT ENGNTAYUAN 333TAIWAN

A full-duplex ring network combined with destination removal can achieve a network throughput level much higher than the channel's data rate, However, such a network exhibits fairness problems, particularly under asymmetric-loading conditions, In this paper, we propose and study a local regulation protocol, the check-quota-before-transmission (CQBT) algorithm, to effectively reduce the unfairness features associated with such a network, Under this algorithm, each heavily loaded node monitors its local traffic conditions to determine the access opportunities provided to its downstream neighboring nodes. A procedure to determine the value of regulation parameters associated with such an algorithm is also presented. Illustrative performance examples are shown to demonstrate the effectiveness of this algorithm. In addition, through the use of analytical approximations, we present a discrete time vector Markov chain model to analyze the queueing behavior of such a full-duplex slotted ring. The analytical performance results are shown to be close to those obtained by simulations.

关键词： Telecommunication Traffic Telecommunication Networks Network Topology Queueing Theory Access Protocols Telecommunication Congestion Control Approximation Theory Markov Processes Performance analysis CQBT algorithm Channel Data Rate Spatial Reuse Full Duplex Ring Network Asymmetric Loading Conditions Local Regulation Protocol Check Quota Before Transmission algorithm Unfairness Reduction Local Traffic Conditions Regulation Parameters Analytical Approximations Discrete Time Vector Markov Chain Model Queueing Behavior Full Duplex Slotted Ring Analytical Performance Results Simulations Congestion Problems Resolution Performance analysis algorithm design and analysis Throughput Telecommunication Traffic Traffic Control Degradation Access Protocols Queueing analysis Analytical Models Routing

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NONLINEAR MIXED analysis OPTIMIZATION algorithm FOR MICROWAVE-POWER AMPLIFIER design

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IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 1995年第3期43卷 552-558页

作者： GIANNINI, F LEUZZI, G LIMITI, E MROZ, JS SCUCCHIA, L POLYTECH WARSAW DEPT MICRO & OPTOELECTRWARSAWPOLAND

A nonlinear mixed analysis/optimization algorithm for the design of microwave power amplifiers is presented, Matching conditions for optimum power and efficiency performance are imposed together with the balancing equations of the nonlinear analysis in a consistent way, The analysis/preoptimization of the power stage requires a computation time comparable to or smaller than a single conventional harmonic balance analysis, The algorithm forms the basis of a design procedure for the fulfilment of design specifications in terms of output power, power-added efficiency, and gain, Comparisons to the results of commercial CAD nonlinear analysis programs are presented.

关键词： algorithm design and analysis Harmonic analysis design optimization Microwave amplifiers Power amplifiers Nonlinear equations Performance analysis Power system harmonics Power generation design automation

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