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Journal of Systems Engineering and Electronics

Issue 3 • Date Sept. 2005

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Displaying Results 1 - 25 of 46
  • [Front cover]

    Publication Year: 2005, Page(s): c1
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  • Copyright page

    Publication Year: 2005, Page(s): 1
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  • Contents

    Publication Year: 2005, Page(s):1 - 2
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    Freely Available from IEEE
  • Modulation classification based on spectrogram

    Publication Year: 2005, Page(s):475 - 488
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2804 KB)

    The aim of modulation classification (MC) is to identify the modulation type of a communication signal. It plays an important role in many cooperative or noncooperative communication applications. Three spectrogram-based modulation classification methods are proposed. Their recognition scope and performance are investigated or evaluated by theoretical analysis and extensive simulation studies. The... View full abstract»

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  • Study on data association algorithm of multi-passive-sensor location system

    Publication Year: 2005, Page(s):489 - 493
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (823 KB)

    Aiming at three-passive-sensor location system, a generalized 3-dimension (3-D) assignment model is constructed based on property information, and a multi-target programming model is proposed based on direction-finding and property fusion information. The multi-target programming model is transformed into a single target programming problem to resolve, and its data association result is compared w... View full abstract»

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  • Model classification rate control algorithm for video coding

    Publication Year: 2005, Page(s):494 - 497
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (718 KB)

    A model classification rate control method for video coding is proposed. The macro-blocks are classified according to their prediction errors, and different parameters are used in the rate-quantization and distortion-quantization model. The different model parameters are calculated from the previous frame of the same type in the process of coding. These models are used to estimate the relations am... View full abstract»

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  • ELECTRONICS TECHNOLOGY 
  • Neural blind beamformer for cyclostationary signals

    Publication Year: 2005, Page(s):498 - 501
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (704 KB)

    A blind beamforming algorithm based on a neural network is presented according to the characteristic of cyclostationary signals. This method transforms the question of estimating beamformer weight vectors into the one of computing the SVD of the cross correlation matrix of array input signals and their frequency shift signals. A cross correlation neural network is introduced to compute the SVD of ... View full abstract»

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  • High performance reconfigurable hardware system for real-time image processing

    Publication Year: 2005, Page(s):502 - 509
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1695 KB)

    A novel reconfigurable hardware system which uses both multi-DSP and FPGA to attain high performance and real-time image processing are presented. The system structure and working principle of mainly processing multi-DSP board, extended multi-DSP board are analysed. The outstanding advantage is that the communication among different board components of this system is supported by high speed link p... View full abstract»

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  • Genetic algorithm-based wide-band deterministic maximum likelihood direction finding algorithm

    Publication Year: 2005, Page(s):510 - 514
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (910 KB)

    The wide-band direction finding is one of hit and difficult task in array signal processing. This paper generalizes narrow-band deterministic maximum likelihood direction finding algorithm to the wideband case, and so constructions an object function, then utilizes genetic algorithm for nonlinear global optimization. Direction of arrival is estimated without preprocessing of array data and so the ... View full abstract»

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  • New method of improving the security of the hyperchaotic cryptosystem

    Publication Year: 2005, Page(s):515 - 520
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (933 KB)

    In chaotic cryptosystems, using (very) high dimensional chaotic attractors for encrypting a given message maybe can improve the privacy of chaotic encoding. A kind of hyperchaotic systems are studied by using some classical methods. The results show that for improving the security of the chaotic cryptosystems, besides the high dimension, the sub-Nyquist sampling interval (SI) is also necessary. Th... View full abstract»

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  • Region-based multisensorimage fusion method

    Publication Year: 2005, Page(s):521 - 526
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (3980 KB)

    Image fusion should consider the priori knowledge of the source images to be fused, such as the characteristics of the images and the goal of image fusion, that is to say, the knowledge about the input data and the application plays a crucial role. This paper is concerned on multiresolution (MR) image fusion. Considering the characteristics of the multisensor (SAR and FLIR etc) and the goal of fus... View full abstract»

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  • Detection of phase randomly distributed weak transient signal using chaos

    Publication Year: 2005, Page(s):527 - 532
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1336 KB)

    In practical communication and radar systems, the phase of the received signal is random, the arrival time is unknown, the lasting time is limited and the SNR is often very low. In order to realize the detection of the signal, the method of using a group of nonlinear differential equations is presented. The theory of this chaos-based detection is analyzed. Computer simulation indicates that the sh... View full abstract»

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  • Novel block-matching algorithms by subsampling both search candidates and pixels

    Publication Year: 2005, Page(s):533 - 537
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (987 KB)

    A new faster block-matching algorithm (BMA) by using both search candidate and pixel subsampling is proposed. Firstly a pixel-subsampling approach used in adjustable partial distortion search (APDS) is adjusted to visit about half points of all search candidates by subsampling them, using a spiral-scanning path with one skip. Two selected candidates that have minimal and second minimal block disto... View full abstract»

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  • Performance evaluation of sensor allocation algorithm based on covariance control

    Publication Year: 2005, Page(s):538 - 544
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1402 KB)

    The covariance control capability of sensor allocation algorithms based on covariance control strategy is an important index to evaluate the performance of these algorithms. Owing to lack of standard performance metric indices to evaluate covariance control capability, sensor allocation ratio, etc, there are no guides to follow in the design procedure of sensor allocation algorithm in practical ap... View full abstract»

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  • Bayesian target tracking based on particle filter

    Publication Year: 2005, Page(s):545 - 549
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (874 KB)

    For being able to deal with the nonlinear or non-Gaussian problems, particle filters have been studied by many researchers. Based on particle filter, the extended Kalman filter (EKF) proposal function is applied to Bayesian target tracking. Markov chain Monte Carlo (MCMC) method, the resampling step, etc novel techniques are also introduced into Bayesian target tracking. And the simulation results... View full abstract»

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  • Algorithm of communication network reliabilit-combining links, nodes and capacity

    Publication Year: 2005, Page(s):550 - 556
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1280 KB)

    The conception of the normalized reliability index weighted by capacity is introduced, which combing the communication capacity, the reliability probability of exchange nodes and the reliability probability of the transmission links, in order to estimate the reliability performance of communication network comprehensively and objectively. To realize the full algebraic calculation, the key problem ... View full abstract»

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  • 2-D minimum fuzzy entropy method of image thresholding based on genetic algorithm

    Publication Year: 2005, Page(s):557 - 560
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1311 KB)

    A new image thresholding method is introduced, which is based on 2-D histgram and minimizing the measures of fuzziness of an input image. A new definition of fuzzy membership function is proposed, it denotes the characteristic relationship between the gray level of each pixel and the average value of its neighborhood. When the threshold is not located at the obvious and deep valley of the histgram... View full abstract»

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  • TOA estimation algorithm based on multi-search

    Publication Year: 2005, Page(s):561 - 565
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (879 KB)

    A new time of arrival (TOA) estimation algorithm is proposed. The algorithm computes the optimal sub-correlation length based on the SNR theory. So the robust of TOA acquirement is guaranteed very well. Then, according to the actual transmission environment and network system, the multi-search method is given. From the simulation result, the algorithm shows a very high application value in the rea... View full abstract»

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  • Constructing global view with an ontology-based method for information sharing in the virtual organization

    Publication Year: 2005, Page(s):566 - 573
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1667 KB)

    The problem of constructing global view of heterogeneous information sources for information sharing is becoming more and more important due to the availability of multiple information sources within the virtual organization. Global view is defined to provide a unified representation of the information in the different sources by analyzing concept schemas associated with them and resolving possibl... View full abstract»

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  • Evaluating the conceptual design schemes of complex products based on FAHP using fuzzy number

    Publication Year: 2005, Page(s):574 - 578
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (777 KB)

    In the conceptual design stage of complex products, CBR(Case-Based Reasoning) tool is useful to offer a feasible set of schemes. Then the most adaptive scheme can be generated through a procedure of comparison and evaluation. The procedure is essentially a multiple criteria decision-making problem. The traditional multiple criteria programming is not flexible enough in executing the system evaluat... View full abstract»

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  • Study on information utility

    Publication Year: 2005, Page(s):579 - 582
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (793 KB)

    Information has two aspects. One aspect is the objective one; another aspect is the subjective one. Shannon has discussed the objective aspect of information in information theory. But the subjective aspect of information has not been fully discussed. Someone use “Bayesian approaches” to evaluate the value of information. But in some cases it does not meet the information user's need... View full abstract»

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  • Study on the control course of ANFIS based aircraft auto-landing

    Publication Year: 2005, Page(s):583 - 587
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1175 KB)

    The control model in the course of an aircraft auto-landing is first proposed. Then, the common basic hypotheses in the design of a fuzzy logic controller are described. The fuzzy inference system of an aircraft auto-landing fuzzy controller in the course of automatic control on landing is investigated. The auto-landing model for controlling, membership functions of state variables, inference rule... View full abstract»

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  • Stability analysis of extended discrete-time, BAM neural networks based on LMI approach

    Publication Year: 2005, Page(s):588 - 594
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1133 KB)

    We propose a new approach for analyzing the global asymptotic stability of the extended discrete-time bidirectional associative memory (BAM) neural networks. By using the Euler rule, we discretize the continuous-time BAM neural networks as the extended discrete-time BAM neural networks with non-threshold activation functions. Here we present some conditions under which the neural networks have uni... View full abstract»

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  • Global stabilization of nonlinear systems with uncertain structure

    Publication Year: 2005, Page(s):595 - 599
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (708 KB)

    The global stabilization problem of nonlinear systems with uncertain structure is dealt with. Based on control Lyapunov function (CLF), a sufficient and necessary condition for Lyapunov stabilization is given. From the condition, several simply sufficient conditions for the globally asymptotical stability are deduced. A state feedback control law is designed to globally asymptotically stabilize th... View full abstract»

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  • Genetic algorithm combined with immune mechanism and its application in skill fuzzy control

    Publication Year: 2005, Page(s):600 - 605
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1191 KB)

    Automation of skill fuzzy control system is an important research aspect of fuzzy control fields. It's significant for those control instances consisted in production and people's daily life. But, how to control a system not movement or behavior rules but only relied on movement parameters, that problem still had not be resolved. This paper proposes a new method used a genetic algorithm based on i... View full abstract»

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Aims & Scope

Journal of Systems Engineering and Electronics reports the latest developments and achievements in both theoretical and practical aspects of systems engineering, electronics and related research areas.

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Meet Our Editors

Editor-in-Chief
Professor Rong Shi
Journal of Systems Engineering and Electronics