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Journal of Systems Engineering and Electronics

Issue 4 • Aug. 2009

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Displaying Results 1 - 25 of 37
  • [Front cover]

    Publication Year: 2009, Page(s): c1
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  • Copyright page

    Publication Year: 2009, Page(s): 1
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  • Call for papers: International conference on space information technology

    Publication Year: 2009, Page(s): 1
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  • Instructions for authors

    Publication Year: 2009, Page(s): 1
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  • Contents

    Publication Year: 2009, Page(s):1 - 2
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  • Design of multi-band frequency selective surfaces using multi-periodicity combined elements

    Publication Year: 2009, Page(s):675 - 680
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1860 KB)

    Traditional multi-band frequency selective surface (FSS) approaches are hard to achieve a perfect resonance response in a wide band due to the limit of the onset grating lobe frequency determined by the array. To solve this problem, an approach of combining elements in different period to build a hybrid array is presented. The results of series of numerical simulation show that multi-periodicity c... View full abstract»

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  • Doppler estimating and compensating method based on phase

    Publication Year: 2009, Page(s):681 - 686
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1356 KB)

    According to the Doppler sensitive of the phase coded pulse compression signal, a Doppler estimating and compensating method based on phase is put forward to restrain the Doppler sidelobes, raise the signal-to-noise ratio and improve measuring resolution. The compensation method is used to decompose the echo to amplitude and phase, and then compose the new compensated echo by the amplitude and the... View full abstract»

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  • Resource allocation for multiuser STBC-BF MIMO-OFDM downlink with imperfect channel information

    Publication Year: 2009, Page(s):687 - 693
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1438 KB)

    To improve the performance of a multiuser MIMO-OFDM system with imperfect channel status information, a downlink adaptive resource allocation algorithm which combines space-time block coding and beam forming (STBC-BF) is proposed. The algorithm allocates the sub carriers with a shared manner. A zero forcing processing with joint Rx-Tx is used to suppress the co-channel interference (CCI) and to co... View full abstract»

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  • KLT-based local linear prediction of chaotic time series

    Publication Year: 2009, Page(s):694 - 699
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1362 KB)

    In the reconstructed phase space, based on the Karhunen-Loève transformation (KLT), the new local linear prediction method is proposed to predict chaotic time series. A noise-free chaotic time series and a noise added chaotic time series are analyzed. The simulation results show that the KLT-based local linear prediction method can effectively make one-step and multi-step prediction for cha... View full abstract»

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  • Robust power amplifier predistorter by using memory polynomials

    Publication Year: 2009, Page(s):700 - 705
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1430 KB)

    In memory polynomial predistorter design, the coefficient estimation algorithm based on normalized least mean square is sensitive to initialization parameters. A predistorter based on generalized normalized gradient descent algorithm is proposed. The merit of the GNGD algorithm is that its learning rate provides compensation for the independent assumptions in the derivation of NLMS, thus its stabi... View full abstract»

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  • Capacity analysis of high-rank line-of-sight MIMO channels

    Publication Year: 2009, Page(s):706 - 710
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1028 KB)

    Matrix perturbation theory is utilized to investigate high-rank line of sight multiple input multiple output channels in a microwave relay system. The upper and lower bounds of channel capacity are derived based on space time block codes technique and singular values decomposition. A useful constraint for designing LOS MIMO channels is developed by the use of the condition number of the MIMO chann... View full abstract»

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  • Research on frequency-temperature compensated sapphire-SrTiO3 loaded cavity for hydrogen maser

    Publication Year: 2009, Page(s):711 - 717
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1649 KB)

    To obtain frequency-temperature compensation in a sapphire loaded cavity for hydrogen maser, a dielectric named SrTiO3 is employed whose temperature coefficient of permittivity is opposite to that of sapphire. Based on theoretical analysis and computer simulation, a TEoll mode of a sapphire loaded cavity associated with two small rings of SrTiO3 with different thickness is so... View full abstract»

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  • Characteristic-knowledge-aided spectral detection of high frequency first-order sea echo

    Publication Year: 2009, Page(s):718 - 725
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2714 KB)

    To detect high frequency (HF) first-order sea echo spectra contaminated with ships, ionosphere interference, and other, a new characteristic-knowledge-aided detection method is proposed. With 2-D image features in range-Doppler spectrum, the trend of first-order sea echoes is extracted as indicative information by a multi-scale filter. Detection rules for both single and splitting first-order sea ... View full abstract»

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  • Analysis of electrical performances of planar active phased array antennas with distorted array plane

    Publication Year: 2009, Page(s):726 - 731
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1659 KB)

    The influence of the distorted plane of the active phased array antenna on the electromagnetic performance is of great significance to the research on and development of the high-performance antennas. On the bent and bowl-shape distortion, the model is established of the relationship between the electromagnetic performance and the position error of the radiated elements. The method is presented of... View full abstract»

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  • Ranking all decision making units based on their elementary differences

    Publication Year: 2009, Page(s):732 - 740
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1923 KB)

    Traditional DEA-based ranking techniques have some pitfalls such as ignoring the inherent differences among decision making units (DMUs), or lacking a common weight-based ranking, etc. To overcome these obstacles, the paper first examines the possible differences among all DMUs such as the technical efficiency difference, the preference structure difference and the within-group position difference... View full abstract»

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  • Simutaneous radar imaging and velocity measuring with step frequency waveforms

    Publication Year: 2009, Page(s):741 - 747
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1373 KB)

    The principle and method of both radar target imaging and velocity measurement simultaneously based on step frequency waveforms is presented. Velocity compensation is necessary in order to obtain the good High resolution range profile since this waveform is greatly sensitive to the Doppler shift. The velocity measurement performance of the four styles is analyzed with two pulse trains consisted of... View full abstract»

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  • SAR tomography imaging via higher-order spectrum analysis

    Publication Year: 2009, Page(s):748 - 754
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1293 KB)

    To deal with the non-Gaussian noise in standard 2-D SAR images, the deramped signal in imaging plane, and the possible symmetric distribution of complex noise, the fourth-order cumulant of complex process is introduced into SAR tomography. With the estimated AR parameters of ARMA model of noise through Yule-Walker Walker equation, the signal series of height is pre-filtered. Then, through ESPRIT, ... View full abstract»

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  • Model and algorithm of flow interception problem with multi-type of flows

    Publication Year: 2009, Page(s):755 - 761
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1612 KB)

    To study simultaneous location of different kinds of facilities, a new model of flow interception problem with multi-type of flows is proposed, with the consideration of multi-purpose flows and the influence of facilities on each other. To be more practical, the objective is to maximize the benefits from flow-by customers instead of maximizing flows in the past. Since this problem is NP-hard and t... View full abstract»

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  • Super-resolution processing of passive millimeter-wave images based on conjugate-gradient algorithm

    Publication Year: 2009, Page(s):762 - 767
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1934 KB)

    This paper designs a 3 mm radiometer and validate with experiments based on the principle of passive millimeter wave (PMMW) imaging. The poor spatial resolution, which is limited by antenna size, should be improved by post data processing. A conjugate-gradient (CG) algorithm is adopted to circumvent this drawback. Simulation and real data collected in laboratory environment are given, and the resu... View full abstract»

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  • Optimal production lot size with process deterioration under an extended inspection policy

    Publication Year: 2009, Page(s):768 - 776
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2169 KB)

    A mathematical model to determine the optimal production lot size for a deteriorating production system under an extended product inspection policy is developed. The last-K product inspection policy is considered so that the nonconforming items can be reduced, under which the last K products in a production lot are inspected and the nonconforming items from those inspected are reworked. Consider t... View full abstract»

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  • SYSTEMS ENGINEERING 
  • F-interference law generation and its feature recognition

    Publication Year: 2009, Page(s):777 - 783
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1556 KB)

    By using two-directional S-rough sets, the concepts of $(f, bar{f})$-interference generation and $(f, bar{f})$-interference law generation of know ledge, F-interference generation and F-interference law generation of two-directional S-rough sets are proposed. Based on the concepts above, the relation theorems between F-interference loss and F-interference degree, the relation... View full abstract»

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  • Effective path planning method for low detectable aircraft

    Publication Year: 2009, Page(s):784 - 789
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1906 KB)

    To utilizing the characteristic of radar cross section (RCS) of the low detectable aircraft, a special path planning algorithm to eluding radars by the variable RCS is presented. The algorithm first gives the RCS changing model of low detectable aircraft, then establishes a threat model of a ground-based air defense system according to the relations between RCS and the radar range coverage. By the... View full abstract»

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  • H tracking design for a class of decentralized nonlinear systems via fuzzy adaptive observer

    Publication Year: 2009, Page(s):790 - 799
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2272 KB)

    A novel H tracking-based decentralized indirect adaptive output feedback fuzzy controller for a class of uncertain large-scale nonlinear systems is developed. By virtue of the proper filtering of the observation error dynamics, the observer-based decentralized indirect adaptive fuzzy control scheme is presented for a class of large-scale nonlinear systems using the combination o... View full abstract»

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  • Controllability and observability of networked control systems with time-varying delays

    Publication Year: 2009, Page(s):800 - 806
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1518 KB)

    The controllability and observability of networked control systems are studied. Aiming at the networked control system with time-varying delay, the sufficient and necessary conditions for complete controllability and complete observability of the system are presented, respectively. Because of Markov characteristic of the network-induced delay, in terms of stochastic theory, a sufficient and necess... View full abstract»

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  • Design and performance analysis of networked control systems with random delay

    Publication Year: 2009, Page(s):807 - 822
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2741 KB)

    The design and performance analysis of networked control systems with random network delay in the forward channel is proposed, which are described in a state-space form. A new control scheme is used to overcome the effects of network transmission delay, which is termed networked predictive control (NPC). Furthermore, three different ways to choose control input are discussed and the performances a... 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