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Journal of Systems Engineering and Electronics

Issue 3 • Date June 2011

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Displaying Results 1 - 25 of 31
  • [Front cover]

    Publication Year: 2011, Page(s): c1
    IEEE is not the copyright holder of this material | PDF file iconPDF (1385 KB)
    Freely Available from IEEE
  • Inside front cover

    Publication Year: 2011, Page(s): c2
    IEEE is not the copyright holder of this material | PDF file iconPDF (112 KB)
    Freely Available from IEEE
  • Contents

    Publication Year: 2011, Page(s):1 - 2
    IEEE is not the copyright holder of this material | PDF file iconPDF (185 KB)
    Freely Available from IEEE
  • Phase noise filtering and phase unwrapping method based on unscented Kalman filter

    Publication Year: 2011, Page(s):365 - 372
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1959 KB)

    This paper presents a new phase unwrapping algorithm based on the unscented Kalman filter (UKF) for synthetic aperture radar (SAR) interferometry. This method is the result of combining an UKF with path-following strategy and an omni-directional local phase slope estimator. This technique performs simultaneously noise filtering and phase unwrapping along the high-quality region to the low-quality ... View full abstract»

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  • Modeling of terahertz pulse generation from LT-GaAs ultrafast photoconductive switches

    Publication Year: 2011, Page(s):373 - 380
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (783 KB)

    The technique of terahertz pulses generated from the photoconductive switches has been applied in the ultrafast electrical pulse metrology recently. A lumped-element theoretical model is established to describe the performance of the LT-GaAs ultrafast photoconductive switch used in the ultrafast pulse standard. The carrier transport processes of the photoexcited semiconductor, the attenuation and ... View full abstract»

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  • Polyphase coded signal design for MIMO radar using MO-MicPSO

    Publication Year: 2011, Page(s):381 - 386
    Cited by:  Papers (5)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1152 KB)

    A novel modified optimization technique known as the multi-objective micro particle swarm optimization (MO-MicPSO) is proposed for polyphase coded signal design. The proposed MO-MicPSO requires only a small population size compared with the standard particle swarm optimization that uses a larger population size. This new method is guided by an elite archive to finish the multi-objective optimizati... View full abstract»

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  • Improved STAP algorithm based on APES

    Publication Year: 2011, Page(s):387 - 392
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1779 KB)

    Space-time adaptive processing (STAP) has been proven to be one of the best techniques capable of detecting weak moving targets in strong clutter environment and has been widely applied in airborne ground moving target indication (GMTI) radar. This paper applies an amplitude and phase estimation (APES) approach to two aspects of the STAP algorithm. Firstly, APES is applied to accurately describe t... View full abstract»

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  • Blind identification and DOA estimation for array sources in presence of scattering

    Publication Year: 2011, Page(s):393 - 397
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (718 KB)

    A novel identification method for point source, coherently distributed (CD) source and incoherently distributed (ICD) source is proposed. The differences among the point source, CD source and ICD source are studied. According to the different characters of covariance matrix and general steering vector of the array received source, a second order blind identification method is used to separate the ... View full abstract»

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  • Ultrawide-band radar imagery from multiple incoherent frequency subband measurements

    Publication Year: 2011, Page(s):398 - 404
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1811 KB)

    The problem of combined radar imagery from multiple sparse frequency subbands initially incoherent to each other is of practical importance for radar target discrimination. A new coherent processing technique based on probability density analysis of the subband data is proposed, which is applicable for radar imaging from measurements of two or more initially incoherent radar subbands. The coherenc... View full abstract»

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  • QPSO-based algorithm of CSO joint infrared super-resolution and trajectory estimation

    Publication Year: 2011, Page(s):405 - 411
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1431 KB)

    The midcourse ballistic closely spaced objects (CSO) create blur pixel-cluster on the space-based infrared focal plane, making the super-resolution of CSO quite necessary. A novel algorithm of CSO joint super-resolution and trajectory estimation is presented. The algorithm combines the focal plane CSO dynamics and radiation models, proposes a novel least square objective function from the space an... View full abstract»

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  • 3D Motion and geometric information system of single-antenna radar based on incomplete 1D range data

    Publication Year: 2011, Page(s):412 - 420
    Cited by:  Papers (1)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2000 KB)

    A 3D motion and geometric information system of single-antenna radar is proposed, which can be supported by spotlight synthetic aperture radar (SAR) system and inverse SAR (ISAR) system involving relative 3D motion of the rigid target. In this system, applying the geometry invariance of the rigid target, the unknown 3D shape and motion of the radar target can be reconstructed from the 1D range dat... View full abstract»

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  • High resolution range profile analysis based on multicarrier phase-coded waveforms of OFDM radar

    Publication Year: 2011, Page(s):421 - 427
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1189 KB)

    Orthogonal frequency division multiplexing (OFDM) radar with multicarrier phase-coded waveforms has been recently introduced to achieve high range resolution. The conventional method for obtaining the high resolution range profile (HRRP) is based on matched filters. A method of synthesizing HRRP based on the fast Fourier transform (FFT) and decoding is proposed. The mathematical expressions of HRR... View full abstract»

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  • Health management based on fusion prognostics for avionics systems

    Publication Year: 2011, Page(s):428 - 436
    Cited by:  Papers (8)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (879 KB)

    Health management permits the reliability of a system and plays a increasingly important role for achieving efficient system-level maintenance. It has been used for remaining useful life (RUL) prognostics of electronics-rich system including avionics. Prognostics and health management (PHM) have become highly desirable to provide avionics with system level health management. This paper presents a ... View full abstract»

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  • Simulation-based automatic generation of risk scenarios

    Publication Year: 2011, Page(s):437 - 444
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1257 KB)

    A methodology for automatically generating risk scenarios is presented. Its main idea is to let the system model “express itself” through simulation. This is achieved by having the simulation model driven by an elaborated simulation engine, which: (i) manipulates the generation of branch points, i.e. event occurrence times; (ii) employs a depth-first systematic exploration strategy t... View full abstract»

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  • Improved unequal interval grey model and its applications

    Publication Year: 2011, Page(s):445 - 451
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (922 KB)

    A new method to improve prediction precision of GM(1, 1) model with unequal time interval is presented. The grey derivative is multiplied by a parameter to guarantee the time response function satisfying approximately exponential function distribution. To simplify the process of parametric estimation, an approximate value is taken for the multiplied parameter. Then the estimators of coefficient of... View full abstract»

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  • Adaptive support vector machine decision feedback equalizer

    Publication Year: 2011, Page(s):452 - 461
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (986 KB)

    An adaptive support vector machine decision feedback equalizer (ASVM-DFE) based on the least square support vector machine (LS-SVM) is proposed, it solves linear system iteratively with less computational intensity. An adaptive non-singleton fuzzy support vector machine decision feedback equalizer (ANSFSVMDFE) is also presented, it adopts the non-singleton fuzzy Gaussian kernel function with simil... View full abstract»

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  • Heuristic algorithms for scheduling on uniform parallel machines with heads and tails

    Publication Year: 2011, Page(s):462 - 467
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (326 KB)

    This paper considers the uniform parallel machine scheduling problem with unequal release dates and delivery times to minimize the maximum completion time. For this NP-hard problem, the largest sum of release date, processing time and delivery time first rule is designed to determine a certain machine for each job, and the largest difference between delivery time and release date first rule is des... View full abstract»

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  • Group decision-making method based on entropy and experts cluster analysis

    Publication Year: 2011, Page(s):468 - 472
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (450 KB)

    According to the aggregation method of experts' evaluation information in group decision-making, the existing methods of determining experts' weights based on cluster analysis take into account the expert's preferences and the consistency of expert's collating vectors, but they lack of the measure of information similarity. So it may occur that although the collating vector is similar to the group... View full abstract»

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  • Robust fuzzy control of Takagi-Sugeno fuzzy neural networks with discontinuous activation functions and time delays

    Publication Year: 2011, Page(s):473 - 481
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (741 KB)

    The problem of global robust asymptotical stability for a class of Takagi-Sugeno fuzzy neural networks (TSFNN) with discontinuous activation functions and time delays is investigated by using Lyapunov stability theory. Based on linear matrix inequalities (LMls), we originally propose robust fuzzy control to guarantee the global robust asymptotical stability of TSFNNs. Compared with the existing li... View full abstract»

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  • Stability analysis and stabilization for discrete-time singular delay systems

    Publication Year: 2011, Page(s):482 - 487
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (613 KB)

    Stability analysis and stabilization for discrete-time singular delay systems are addressed, respectively. Firstly, a sufficient condition for regularity, causality and stability for discrete-time singular delay systems is derived. Then, by applying the skill of matrix theory, the state feedback controller is designed to guarantee the closed-loop discrete-time singular delay systems to be regular,... View full abstract»

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  • Modified wavelet filtering algorithm applied to gyro servo technology for the improvement of test-precision

    Publication Year: 2011, Page(s):488 - 492
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (714 KB)

    In order to improve the measurement-precision of the gyro, the gyro experiment is completed based on gyro servo technology. The error sources of gyro servo technology are analyzed in the process of measurement, and the impact of these error sources on measurement is evaluated. To eliminate interference signal existing in the sampled data of the measurement, a modified wavelet threshold filtering m... View full abstract»

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  • Stability analysis and design of time-delay uncertain systems using robust reliability method

    Publication Year: 2011, Page(s):493 - 499
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (627 KB)

    A robust reliability method for stability analysis and reliability-based stabilization of time-delay dynamic systems with uncertain but bounded parameters is presented by treating the uncertain parameters as interval variables. The performance function used for robust reliability analysis is defined by a delayindependent stability criterion. The design of robust controllers is carried out by solvi... View full abstract»

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  • Adaptive neural control for a class of uncertain stochastic nonlinear systems with dead-zone

    Publication Year: 2011, Page(s):500 - 506
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (691 KB)

    The problem of adaptive stabilization is addressed for a class of uncertain stochastic nonlinear strict-feedback systems with both unknown dead-zone and unknown gain functions. By using the backstepping method and neural network (NN) parameterization, a novel adaptive neural control scheme which contains fewer learning parameters is developed to solve the stabilization problem of such systems. Mea... View full abstract»

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  • Application of quantum neural networks in localization of acoustic emission

    Publication Year: 2011, Page(s):507 - 512
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (885 KB)

    Due to defects of time-difference of arrival localization, which influences by speed differences of various model waveforms and waveform distortion in transmitting process, a neural network technique is introduced to calculate localization of the acoustic emission source. However, in back propagation (BP) neural network, the BP algorithm is a stochastic gradient algorithm virtually, the network ma... View full abstract»

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  • Novel approach to GPS/SINS integration for IMU alignment

    Publication Year: 2011, Page(s):513 - 518
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1252 KB)

    Strapdown inertial navigation system (SINS) requires an initialization process that establishes the relationship between the body frame and the local geographic reference. This process, called alignment, is generally used to estimate the initial attitude angles. This is possible because an accurate determination of the inertial measurement unit (IMU) motion is available based on the measurement ob... 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