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Journal of Systems Engineering and Electronics

Issue 2 • Date June 2007

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Displaying Results 1 - 25 of 41
  • [Front cover]

    Publication Year: 2007, Page(s): c1
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  • Copyright page

    Publication Year: 2007, Page(s): 1
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  • Instructions for authors

    Publication Year: 2007, Page(s): 1
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    Freely Available from IEEE
  • Contents

    Publication Year: 2007, Page(s):1 - 2
    IEEE is not the copyright holder of this material | PDF file iconPDF (265 KB)
    Freely Available from IEEE
  • Circular object recognition based on shape parameters

    Publication Year: 2007, Page(s):199 - 204
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1875 KB)

    To recognize circular objects rapidly in satellite remote sensing imagery, an approach using their geometry properties is presented. The original image is segmented to be a binary one by one dimension maximum entropy threshold algorithm and the binary image is labeled with an algorithm based on recursion technique. Then, shape parameters of all labeled regions are calculated and those regions with... View full abstract»

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  • Channel capacity and digital modulation schemes in correlated Weibull fading channels with nonidentical statistics

    Publication Year: 2007, Page(s):205 - 209
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (758 KB)

    The novel closed-form expressions for the average channel capacity of dual selection diversity is presented, as well as, the bit-error rate (BER) of several coherent and noncoherent digital modulation schemes in the correlated Weibull fading channels with nonidentical statistics. The results are expressed in terms of Meijer's G-function, which can be easily evaluated numerically. The simulation re... View full abstract»

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  • SAR images classification method based on Dempster-Shafer theory and kernel estimate

    Publication Year: 2007, Page(s):210 - 216
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2415 KB)

    To study the scene classification in the Synthetic Aperture Radar (SAR) image, a novel method based on kernel estimate, with the Markov context and Dempster-Shafer evidence theory is proposed. Initially, a nonparametric Probability Density Function (PDF) estimate method is introduced, to describe the scene of SAR images. And then under the Markov context, both the determinate PDF and the kernel es... View full abstract»

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  • Structural adaptive and optimal speckle filtering in multilook full polarimetric SAR images

    Publication Year: 2007, Page(s):217 - 222
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1930 KB)

    A novel approach is proposed for speckle reduction in multilook full polarimetric SAR images. In contrast to others, this approach adopts an enhanced structure detection method to estimate the parameters of the polarimetric covariance matrix for the multilook polarimetric whitening filtering (MPWF) algorithm and thus a structural adaptive and optimal speckle filter is developed. To evaluate the pr... View full abstract»

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  • Cochannel interference cancelation for multiple access systems

    Publication Year: 2007, Page(s):223 - 228
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2024 KB)

    Many properties of frequency-hopped spread-spectrum multiple access (FH/SSMA), such as, robustness against frequency selective fading and jamming make it a preferred multiple access communication scheme. But cochannel interference (CCI) can seriously harm the system's performance. On the basis of the analysis of the CCI pattern of frequency hopped multiple access signal, a new multiuser detection ... View full abstract»

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  • Hybrid transmit antenna selection and maximal-ratio transmission systems

    Publication Year: 2007, Page(s):229 - 235
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1164 KB)

    Maximal-ratio transmission systems with transmit antenna selection is investigated. According to the order statistics of channel flat fading coefficients, the closed-form expressions are derived for average SNR with any amount of RF chains and average BER with two RF chains, respectively. The algorithm for calculating the minimum of total transmit antennas is presented in terms of reduced RF chain... View full abstract»

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  • Anti-interference ultra-wideband system based on spreading and interleaving

    Publication Year: 2007, Page(s):236 - 242
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1171 KB)

    To suppress the interference in the ultra-wideband (AI-UWB) system is a challenging problem. An anti-interference multiband orthogonal frequency-division multiplexing ultra-wideband (AI-UWB) system, based on spreading and interleaving is addressed. It will exploit the frequency diversity across the subcarriers and provide the robustness to narrow-band interference, by spreading the coded bit strea... View full abstract»

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  • Wideband angle of arrival estimation of chirp signals using virtual Wignerville distribution

    Publication Year: 2007, Page(s):243 - 248
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1028 KB)

    To estimate the angle of arrivals (AOA) of wideband chirp sources, a new time-frequency algorithm is proposed. In this method, virtual sensors are constructed based on the fact that the steering vectors of wideband chirp signals are linear and vary with time. And the randon Wignersville distribution (RWVD) of real sensors and virtual sensors are calculated to yield the new time-invariable steering... View full abstract»

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  • Digital modulation classification using multi-layer perceptron and time-frequency features

    Publication Year: 2007, Page(s):249 - 254
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (832 KB)

    Considering that real communication signals corrupted by noise are generally nonstationary, and time-frequency distributions are especially suitable for the analysis of nonstationary signals, time-frequency distributions are introduced for the modulation classification of communication signals. The extracted time-frequency features have good classification information, and they are insensitive to ... View full abstract»

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  • Hardware system design for UHF surface velocities radar

    Publication Year: 2007, Page(s):255 - 258
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1283 KB)

    UHF surface velocities radar is developed based on the successful ocean state measuring and analyzing radar system. The design method for UHF radar system is presented. It is designed to operate at UHF channel, and the transmit power is under 5W. Maximum range of field test over fresh water can be a kilometer. The field tests at Tangsun River and at Majiatan and Gaobazhou proved that USVR System c... View full abstract»

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  • F-Law collision and system state recognition

    Publication Year: 2007, Page(s):259 - 264
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1051 KB)

    Using function one direction S-rough sets (function one direction singular rough sets), f-law and F-law and the concept of law distance and the concept of system law collided by F-law are given. Using these concepts, state characteristic presented by system law collided by F-law and recognition of these states characteristic and recognition criterion and applications are given. Function one direct... View full abstract»

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  • Method for uncertain multi-attribute decision-making with preference information in the form of interval numbers complementary judgment matrix

    Publication Year: 2007, Page(s):265 - 269
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (920 KB)

    The uncertain multi-attribute decision-making problems because of the information about attribute weights being known partly, and the decision maker's preference information on alternatives taking the form of interval numbers complementary to the judgment matrix, are investigated. First, the decision-making information, based on the subjective uncertain complementary preference matrix on alternati... View full abstract»

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  • Equilibrium solution of two enterprises cooperative game

    Publication Year: 2007, Page(s):270 - 274
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (989 KB)

    Based on the actual experience of cooperation in the supply chain, the Nash solution of two enterprises cooperative games is given. Not only is the solution unique, but it is also stable, and neither side has the capability to deviate the allocation of interests from the equilibrium point. If some firm tries to withdraw from cooperation or threaten to use other particular strategy, the negotiation... View full abstract»

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  • Research of intelligence data mining based on commanding decision-making

    Publication Year: 2007, Page(s):275 - 280
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1105 KB)

    In order to rapidly and effectively meet the informative demand from commanding decision-making, it is important to build, maintain and mine the intelligence database. The type, structure and maintenance of military intelligence database are discussed. On this condition, a new data-mining arithmetic based on relation intelligence database is presented according to the preference information and th... View full abstract»

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  • Data processing of small samples based on grey distance information approach

    Publication Year: 2007, Page(s):281 - 289
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1685 KB)

    Data processing of small samples is an important and valuable research problem in the electronic equipment test. Because it is difficult and complex to determine the probability distribution of small samples, it is difficult to use the traditional probability theory to process the samples and assess the degree of uncertainty. Using the grey relational theory and the norm theory, the grey distance ... View full abstract»

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  • Stability of singular networked control systems with control constraint

    Publication Year: 2007, Page(s):290 - 296
    Cited by:  Papers (10)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1028 KB)

    Based on bounded network-induced time-delay, the networked control system is modeled as a linear time-variant singular system. Using the Lyapunov theory and the linear matrix inequality approach, the criteria for delay-independent stability and delay-dependent stability of singular networked control systems are derived and transformed to a feasibility problem of linear matrix inequality formulatio... View full abstract»

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  • Anti-windup design for the controllers of integrating processes with long delay

    Publication Year: 2007, Page(s):297 - 303
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1048 KB)

    For several superior controllers of the first-order integrating processes with long delay, the windup problems are analyzed in detail when the control signal saturates. The results show that these controllers have similar characteristics about the process input limitation. And then, a simple and effective anti-windup scheme, without an additional parameter, is designed for these controllers. Simul... View full abstract»

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  • Exponential stability of impulsive jump linear systems with Markov process

    Publication Year: 2007, Page(s):304 - 310
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1222 KB)

    The exponential stability is investigated for a class of continuous time linear systems with a finite state Markov chain form process and the impulsive jump at switching moments. The conditions, based on the average dwell time and the ratio of expectation of the total time running on all unstable subsystems to the expectation of the total time running on all stable subsystems, assure the exponenti... View full abstract»

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  • Stability analysis of the simplest Takagi-Sugeno fuzzy control system using circle criterion

    Publication Year: 2007, Page(s):311 - 319
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1443 KB)

    A frequency-domain-based sufficient condition is derived to guarantee the globally asymptotic stability of the simplest Takagi-Sugeno (T-S) fuzzy control system by using the circle criterion. The analysis is performed in the frequency domain, and hence the condition is of great significance when the frequency-response method, which is widely used in the linear control theory and practice, is emplo... View full abstract»

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  • Delay-dependent stability and stabilization of a class of linear switched time-varying delay systems

    Publication Year: 2007, Page(s):320 - 326
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1099 KB)

    The stability and stabilization of a class of linear switched time-varying delay systems are investigated. A piecewise quadratic Lyapunov function (PWQLF) is constructed and is used to obtain the stability conditions based on the linear matrix inequalities (LMIs). The stabilizing controller for this class of system is then designed and the solution of the desired controller can be obtained by a co... View full abstract»

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  • Unscented Kalman filter for SINS alignment

    Publication Year: 2007, Page(s):327 - 333
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (898 KB)

    In order to improve the filter accuracy for the nonlinear error model of strapdown inertial navigation system (SINS) alignment, Unscented Kalman Filter (UKF) is presented for simulation with stationary base and moving base of SINS alignment. Simulation results show the superior performance of this approach when compared with classical suboptimal techniques such as extended Kalman filter in cases o... 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