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International Conference on Next Generation Networks and Services (NGNS)

作者： Smail Tigani Mouhamed Ouzzif Abderrahim Hasbi Computer Science Departement National High School of Electricity and Mechanics Casablanca Morocco Computer Science Departement High School of Technology Casablanca Morocco Computer Science Departement Mohammadia School of Engineering Rabat Morocco

This paper proposes advanced key performance indicators dedicated to learning machines and auto-adaptive systems performance analysis. This work introduces an algorithm implementing designed key performance indicators for automatic learning capacity checking. The algorithm simulates the supervised environment to stimulate the tested auto-adaptive machine and then study its adaption capacity based on indicators statistically designed.

关键词： Prediction algorithms algorithm design and analysis Monte Carlo methods Predictive models Mathematical model Vectors Linear regression

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Low power algorithm-architecture co-design of fast Independent Component analysis (FICA) for multi-gas sensor applications

Low power algorithm-architecture co-design of fast Independe...

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International Symposium on VLSI design, Automation and Test

作者： Chieh-Chao Yang Po-Tsang Huang Chun-Ying Huang Ching-Te Chuang Wei Hwang National Chiao Tung University Hsinchu TW

ISBN: (纸本)9781479962761

For miniaturized multi-gas sensors, the detected multi-gas signals would be self-interfered by responses to multiple gases. In this paper, a fast Independent Component analysis (FICA) is proposed to restore the original source signals from the mixed signals received by different gas sensors. This FICA is designed and implemented by low power algorithm-architecture co-design considering the tradeoffs among power, delay and accuracy of extracted signals for multi-gas sensor applications. To further reduce the power consumption, a data-length controller is designed to adjust the calculated data-length. Additionally, a stability check unit is utilized to terminate the ICA execution for reduction of the computation time and total energy. Compared with the conventional ICA design, the proposed low-power FICA realizes energy reduction by 75% for multi-gas sensor applications.

关键词： Covariance matrices Jacobian matrices Stability analysis algorithm design and analysis Gas detectors Accuracy Symmetric matrices

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The analysis and design of accounting information security system based on AES algorithm

The analysis and design of accounting information security s...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Qing-Xiang Zhu Lu Li Jing Liu Nan Xu School of Economics and Management Yanshan University슠 Qinhuangdao China Library Yanshan University슠 Qinhuangdao China

AES algorithm is a new generation of the data encryption standard. With its strong security, high-performance and high efficiency, AES can meet the requirements of accounting information security. In this paper, started with the threats of accounting information, using the AES encryption algorithm to solve the security problems of accounting information in the storage, information transmission, security subsystem and the establishment of an independent accounting system, and designing the overall structure of accounting information security system based on AES algorithm.

关键词： algorithm design and analysis Information analysis Information security Cryptography Data security NIST Machine learning Cybernetics Niobium Computer security

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Research and design of Intelligent Wireless Electric Power Parameter Detection algorithm Combining FFT with Wavelet analysis

Research and Design of Intelligent Wireless Electric Power P...

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International Conference on Networks Security, Wireless Communications and Trusted Computing, NSWCTC

作者： Xinling Wen Yao Li Zhengzhou Institute of Aeronautical Industry Management Zhengzhou China North China University of Water Conservancy and Electric Power Zhengzhou China

ISBN: (纸本)9781424442232

In modern society, power quality problem has become an important problem, which effects industrial production and product quality, etc. So, we need to monitor and analyze electric power parameter to assure electric power quality in prescribed limit. Aiming to disadvantages of present electric parameter detection of power harmonic, we design a kind of wireless power electric parameter detection system based on single chip microprocessor (SCM) technology, wireless communication technology, FFT, wavelet resolution analysis, and visual instrument (VI) technology, etc. System is composed of upper PC and lower PC. Lower PC uses transformer module, signal processor module to realize electric power signal conversion, which can be recognized by MSP430F149. Lower PC controls nRF905 wireless transceiver module to realize signal transmitting between lower PC and upper PC installing of VI software of LabVIEW. System software combines FFT and wavelet analysis method to realize electric power parameter of harmonic analysis, which solves shortcoming of single FFT analysis. Through simulation experiment, method of combining FFT with wavelet transform is verified to be accurate.

关键词： algorithm design and analysis Detection algorithms Wavelet analysis Harmonic analysis Communications technology Signal processing Power quality Production Condition monitoring Power system harmonics

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Chip design and analysis based on a LRC Speech algorithm

Chip Design and Analysis based on a LRC Speech Algorithm

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International Conference on Solid-State and Integrated Circuit Technology

作者： Ri Sheng Xia Chang Nian Zhang Yan Feng Jiang North-China University of Technology Beijing China

ISBN: (纸本)1424401607

A low bit rate coding speech algorithm is introduced in this paper. This algorithm can make the bit rate lower than MBE under good speech quality, and its bit rate can reach to 2kbps. Meanwhile we discuss the chip design based on this algorithm, analyzing the process of designing speech chip using Motorola C_CORE. Finally we describe the principle of this coding algorithm and explain the difference between this algorithm with others.

关键词： Speech analysis Chip scale packaging algorithm design and analysis Speech coding Bit rate Filters Decoding Predictive models Speech synthesis Frequency

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The design of a Correlation analysis Engine Model Based on Carma_VE algorithm

The Design of a Correlation Analysis Engine Model Based on C...

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2009 IEEE International Symposium on IT in Medicine & Education( IEEE 教育与医药信息化国际会议)

作者： Zhaoyang Qu Lei Wang School of Information engineering Northeast Dianli University Jilin 132012 China

SOC (Security Operation Center) is the core platform of safety management system, and correlation analysis engine is the core of SOC. This paper designs a correlation analysis engine model. The engine can not only effectively eliminate or reduce duplicate and redundant alerts, but also quickly discover the hidden attack tactics in the huge amount of alerts generated by multi-step attacks. Based on the engine, Carma_VE algorithm is presented in order to automatically generate association rules. Compared with the Carma algorithm, Carma_VE algorithm is more efficient under the smaller training set.

关键词： algorithm design and analysis Engines Association rules Merging Data mining Filtering Information analysis Standardization Data security Educational technology

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design and analysis of an efficient algorithm for coordinated checkpointing in distributed systems

Design and analysis of an efficient algorithm for coordinate...

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Proceedings of the Advances in Parallel and Distributed Computing

作者： Jiannong Cao Weijia Jia Xiaohua Jia To-Yat Cheung Department of Computer Science City University of Hong Kong Kowloon Hong Kong China

ISBN: (纸本)0818678763

A synchronous checkpointing algorithm coordinates a set of processes in taking checkpoints in such a way that the set of local checkpoints always forms part of a consistent global system state. Whenever a process p requests to take a checkpoint, a set of processes, called the cohorts set of p, must be checked and some of them may also have to take their checkpoints in order to preserve system consistency. Although several synchronous checkpointing algorithms have been proposed in the literature, most of them do not address the performance issue. In this paper we propose an efficient distributed algorithm for synchronous checkpointing. Proof of correctness and analysis of efficiency of the algorithm are presented. It is shown that the algorithm has a better message and time complexity than the existing algorithms. The method proposed in this paper can also be applied to enhance the performance of rollback operation which always require synchronization of the inter-dependent processes.

关键词： algorithm design and analysis Checkpointing Multicast algorithms Computer science Distributed algorithms Fault tolerant systems Debugging Merging

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A FREQUENCY-DOMAIN MODEL FOR FILTERED LMS algorithmS - STABILITY analysis, design, AND ELIMINATION OF THE TRAINING MODE

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IEEE TRANSACTIONS ON SIGNAL PROCESSING 1993年第4期41卷 1518-1531页

作者： FEINTUCH, PL BERSHAD, NJ LO, AK UNIV CALIF IRVINE DEPT ELECT & COMP ENGNIRVINECA 92717

A number of the noise cancellation applications of the (LMS) algorithm involve systems where the input or the output of the adaptive filter or the feedback error signal are linearly filtered prior to use in the adaptive algorithm. These systems will be denoted ''filtered'' LMS. In this paper, a frequency domain model of the ''filtered'' LMS algorithm is presented for analyzing the behavior of the weights during adaptation. In particular, expressions for stable operation of the algorithm are derived as a function of the algorithm step size mu, the input signal power, and the transfer functions of the linear filters. The expressions show that algorithm stability can be achieved over a frequency band of interest by inserting an appropriately chosen delay in the reference input to the LMS algorithm weight update equation. This result implies that it is not necessary to use a training mode to estimate the loop transfer functions before or during adaptation if the input is limited to a band of frequencies. It is only necessary to know the approximate delay introduced by the transfer functions in the band. The single delay parameter can be estimated much more easily than the entire transfer function. Simulations of the time domain algorithm are presented which support the theoretical predictions of the frequency domain model. In particular, the simulations display stability behavior as predicted by the theory and show significant reductions in the error power.

关键词： Frequency domain analysis Least squares approximation Transfer functions Nonlinear filters Frequency estimation Delay estimation Predictive models algorithm design and analysis Stability Equations

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AN EXPERT SYSTEM APPROACH TO CONTROL-SYSTEM design AND analysis

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IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS 1988年第5期18卷 685-694页

作者： BASU, A MAJUMDAR, AK SINHA, S INDIAN INST TECHNOL DEPT ELECT ENGNKHARAGPUR 721302W BENGALINDIA

The architecture of CONEX-expert system for control system design and analysis-is presented. The important features of CONEX are discussed and they include: a structured organization of the short-term database, a clustering criteria for partitioning the rule-base into connected rule-spaces, a language for representing the domain-specific rules, and an inference engine that can adopt different search strategies for different rule-spaces. Additionally, an explanation generation module gives CONEX the attribute of user friendliness.< >

关键词： Expert systems Control systems System analysis and design algorithm design and analysis Inference algorithms Spatial databases Transaction databases Medical expert systems Diagnostic expert systems Engines

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A FINITE-DIFFERENCE TIME-DOMAIN METHOD FOR THE design AND analysis OF GUIDED-WAVE OPTICAL STRUCTURES

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JOURNAL OF LIGHTWAVE TECHNOLOGY 1989年第12期7卷 2033-2038页

作者： CHU, ST CHAUDHURI, SK Department of Electrical Engineering University of Waterloo Waterloo ONT Canada

A CAD tool employing the finite-difference time-domain (FDTD) algorithm is developed for the design and analysis of optical waveguide structures. The basic formulation of the algorithm is given, and practical conditions for its application are briefly outlined. The accuracy of the numerical scheme is investigated through a study of a canonical parallel-slabs coupling structure. Both the coupling length and the field distribution are in good agreement with results in the literature. The use of the method is illustrated by an analysis of a directional coupler.< >

关键词： Finite difference methods Time domain analysis design methodology Optical design Optical waveguides algorithm design and analysis Optical refraction Optical variables control Optical sensors Optical scattering

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