Search Results - "Nakhkash, M."
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Automatic detection of buried utilities and solid objects with GPR using neural networks and pattern recognition
Published in Journal of applied geophysics (01-03-2000)“…The task of locating buried utilities using ground penetrating radar is addressed, and a novel processing technique computationally suitable for on-site…”
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Journal Article -
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Application of the multilevel single-linkage method to one-dimensional electromagnetic inverse scattering problem
Published in IEEE transactions on antennas and propagation (01-11-1999)“…An inverse scattering method for the reconstruction of the permittivity and conductivity profiles of a multilayered medium and for that of the impedance…”
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Journal Article -
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An improved calibration technique for free-space measurement of complex permittivity
Published in IEEE transactions on geoscience and remote sensing (01-02-2001)“…A calibration technique for free-space measurement of the permittivity and conductivity has been developed, taking account of antenna-medium coupling. Thus,…”
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Journal Article -
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Erratum: Iterative implementation of approximate solutions for electromagnetic scattering
Published in Microwave and optical technology letters (01-06-2008)“…Originally published Microwave Opt Technol Lett 49: 2425–2429, 2007. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1716, 2008; Published online…”
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Journal Article -
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Directive wideband TEM horn antenna for precise free-space measurements
Published in Conference Digest Conference on Precision Electromagnetic Measurements (2002)“…An optimization process is employed to design a broadband directive TEM horn. The antenna is fed through a tapered balun, which maintains the horn bandwidth…”
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Conference Proceeding
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A new free-space technique for measuring the complex permittivity and thickness of materials
Published in IEE National Conference on Antennas and Propagation (1999)“…A novel free-space method for the measurement of complex permittivity and thickness of materials has been developed. Antenna-medium coupling is taken into…”
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Conference Proceeding -
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Validation of an algorithm for the reconstruction of an inhomogeneous dielectric profile
Published in 2002 International Radar Conference (2002)“…As part of an ongoing programme of research conducted at Liverpool University into the characterisation of building materials using nonintrusive test methods,…”
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Conference Proceeding -
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On the performance improvement of microwave imaging using MDL principle
Published in 6th International Symposium on Telecommunications (IST) (01-11-2012)“…The Multiple Signal Classification (MUSIC) algorithm is a well-known method for target (scatterer) localization in microwave imaging. An important issue for…”
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Conference Proceeding -
10
An Iterative Method to Evaluate Source-type Integral Equation for 2-D Scattering Problems
Published in 2006 IEEE Antennas and Propagation Society International Symposium (2006)“…A method inspired from the Born series is developed to evaluate the source-type integral equation in 2-D scattering problems. Starting from a low contrast…”
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Conference Proceeding -
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Model-based inversion of 2-D TM scattering problems
Published in 2008 Asia-Pacific Symposium on Electromagnetic Compatibility and 19th International Zurich Symposium on Electromagnetic Compatibility (01-05-2008)“…Model-based inversion (MBI) is robust and stable when the inverse scattering problem is ill-posed. However, it poses large computational burden, making the…”
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Conference Proceeding -
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The comparison of various code assignment schemes in Wideband CDMA
Published in 2008 International Conference on Computer and Communication Engineering (01-05-2008)“…This research compares the performance of static and dynamic OVSF code assignment schemes, in terms of call blocking probability and number of required call…”
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Conference Proceeding -
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A dielectric material loaded TEM horn antenna
Published in Twelfth International Conference on Antennas and Propagation (ICAP 2003) (2003)“…The TEM horn antenna is a well-known type of ultra-wideband antenna. Unlike most TEM horns developed, the antenna discussed in this paper is loaded with a…”
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Conference Proceeding -
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Analysis and Design of an X-Band Microstrip Patch Array Antenna for ESM Application
Published in 2007 International Conference on Electromagnetics in Advanced Applications (01-09-2007)“…This paper introduces a configuration for an X-band microstrip patch array antenna that can be used in an electronic support measure (ESM) receiver. The…”
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Conference Proceeding -
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Water leak detection using ground penetrating radar
Published in Proceedings of the Tenth International Conference on Grounds Penetrating Radar, 2004. GPR 2004 (2004)Get full text
Conference Proceeding -
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In-situ characterisation of building materials
Published in 11th International Conference on Antennas and Propagation (ICAP 2001) (2001)“…The knowledge of the electromagnetic properties of building materials is increasingly important in modern wireless communications due to high indoor…”
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Conference Proceeding