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IEE Proceedings - Radar, Sonar and Navigation

Issue 6 • Date Dec 1995

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Displaying Results 1 - 7 of 7
  • Image registration in interferometric SAR processing

    Publication Year: 1995, Page(s):313 - 320
    Cited by:  Papers (25)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1404 KB)

    In interferometric synthetic aperture radar (IFSAR) applications image registration is needed to extract the correct phase difference between the two received signals. The authors present a new image registration procedure implemented at the raw data processing stage; the two complex SAR images are generated with respect to a common reference output system. The registration task is achieved via sc... View full abstract»

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  • New strategy to locate buried objects in highly lossy ground

    Publication Year: 1995, Page(s):306 - 312
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1012 KB)

    An electromagnetic scale model, with well defined and variable electrical parameters, has been constructed, to investigate experimentally the optimum ground-probing radar strategies for use in extremely lossy conditions. A new geometry is proposed that reduces the dynamic-range requirements of a ground-probing radar, allows the permittivity of the medium to be estimated, and provides a clear time ... View full abstract»

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  • Theoretical performance of a multisensor track-to-track correlation technique

    Publication Year: 1995, Page(s):281 - 285
    Cited by:  Papers (5)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (360 KB)

    A multisensor track-to-track correlation technique, originally proposed by Singer and Kanyuck (1971) is analysed. It is shown that the probability of correlating two tracks is a function of two dimensionless scalar parameters, T and W. T is a threshold which guarantees a selected successful correlation probability when no biases exist between the two tracks state estimates. W is a normalised param... View full abstract»

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  • Frequency dependence of backscattered signals from forest components

    Publication Year: 1995, Page(s):301 - 305
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1480 KB)

    The frequency dependence of statistics of radar signals scattered from forest are investigated through a simulation study based on a radiative-transfer theory. A forest canopy is modelled as a volume of needle-shaped or disc-shaped leaves and finite-length, cylindrical branches. It is expected that at radar frequencies above the X-band, scattering away from normal incidence is largely dominated by... View full abstract»

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  • Detection of spread-spectrum signals using the time-domain filtered cross spectral density

    Publication Year: 1995, Page(s):286 - 292
    Cited by:  Papers (6)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (696 KB)

    The authors present a technique for the detection of spread-spectrum signals, of arbitrary form, even when the signal power spectral density (PSD) is well below the surveillance receiver noise spectral density, using a pair of antennas with broadband (1 GHz or more) receivers. Cross correlating the outputs of two receivers, spatially separated by a distance of the order of one metre or more, produ... View full abstract»

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  • Adaptive eigen-subspace algorithms for tracking suddenly disappearing sources

    Publication Year: 1995, Page(s):277 - 280
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (416 KB)

    Adaptive eigen-subspace algorithms have advantages in tracking nonstationary signal parameters, for example, the directions of arrival in array signal processing. Most adaptive eigenstructure methods can track all moving and suddenly appearing sources. However, an interesting disadvantage of these algorithms is that they fail to track suddenly disappearing sources. As a result of this failure, fal... View full abstract»

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  • High order nonlinearities in HF radar backscatter from the ocean surface

    Publication Year: 1995, Page(s):293 - 300
    Cited by:  Papers (13)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (720 KB)

    HF radar measurements of ocean waves make use of a second-order theory for the hydrodynamic and electromagnetic processes that generate the received signal. The author presents evidence that the second order theory is not sufficient to explain the power spectrum of the received signal in all cases. This is not a new result; radars have been developed in both Britain and the USA that allow a reduct... 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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