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IEE Proceedings - Radar, Sonar and Navigation

Issue 5 • Date Oct 2002

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Displaying Results 1 - 6 of 6
  • Digital false-target image synthesiser for countering ISAR

    Publication Year: 2002, Page(s):248 - 257
    Cited by:  Papers (30)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1650 KB)

    The paper presents the design of a pipelined, all-digital image synthesiser capable of generating false-target images from a series of intercepted inverse synthetic aperture radar (ISAR) chirp pulses to provide a novel RF imaging decoy capability. The image synthesiser modulates the phase samples from a phase-sampling digital RF memory (DRFM) that stores intercepted ISAR pulses. The synthesiser co... View full abstract»

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  • Minimal sample support space-time adaptive processing with fast subspace techniques

    Publication Year: 2002, Page(s):209 - 220
    Cited by:  Papers (9)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1469 KB)

    The authors investigate finite data support for subspace or projection methods for STAP which are robust against strong clutter returns. A theoretical analysis of the eigenvector projection technique is presented that provides insight into the problem of determining the optimum choice of the projected clutter subspace and matched filter adjustments (with respect to target Doppler frequency). An es... View full abstract»

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  • Constrained filtering method for attitude determination using GPS and gyro

    Publication Year: 2002, Page(s):258 - 264
    Cited by:  Papers (9)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (595 KB)

    In attitude determination using the unit quaternion representation, the unit norm constraint results in singularity of the covariance matrix using classical filtering methods. To cope with this problem, a constrained filtering method is developed. In this method, the constraint equations and the state equations are treated as pseudo-measurement equations, so that they can be processed simultaneous... View full abstract»

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  • Detection of oceanic electric fields based on the generalised likelihood ratio test (GLRT)

    Publication Year: 2002, Page(s):221 - 230
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (796 KB)

    Galvanic corrosion phenomena between the hull and the propeller of a ship induce static electric fields in sea water. These signatures can be observed on a vectorial electrical sensor and the authors investigate the design of a detection/localisation method based on the generalised maximum likelihood ratio test (GLRT). Incorporating a spatio-temporal analysis of the signals in the physical model, ... View full abstract»

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  • Estimation of non-Rayleigh clutter and fluctuating-target models

    Publication Year: 2002, Page(s):231 - 241
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (867 KB)

    The detection performance prediction for radar and sonar systems requires statistical models of the matched filter output for the 'clutter-only' and 'target-plus-clutter' cases. Two practical techniques are presented for deriving these models from matched filter output data. The first technique is based upon a generalised Gram-Charlier series expansion, whose terms consist of the generalised gamma... View full abstract»

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  • General analysis of the phase-switched screen .1. The single layer case

    Publication Year: 2002, Page(s):243 - 247
    Cited by:  Papers (12)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (493 KB)

    Conventional (passive) radar absorbing materials operate either by phase cancellation or by absorbing incident electromagnetic energy and converting it into heat. The paper examines some general properties of a new class of active 'absorber', called the phase-switched screen (PSS). The PSS operates quite differently from passive absorbers in that it exhibits an apparently low value of reflectivity... View full abstract»

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Aims & Scope

IEE Proceedings Radar, Sonar and Navigation covers the theory and practice of systems involving the processing of signals for radar, radio location, radio navigation and surveillance purposes.

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