Pulse-Based Radar Imaging Using a Genetic Optimization Approach for Echo Separation

This paper describes a novel 3-D ultra-wideband (UWB) imaging technique with the aim of detecting, classifying, and imaging water pipes located inside walls. The target under test was chosen in such a way that the echoes of the front side of the wall and of the water pipes overlap making it impossib...

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Bibliographic Details
Published in:IEEE sensors journal 2009-03, Vol.9 (3), p.271-276
Main Authors: Hantscher, S., Diskus, C.G.
Format: Article
Language:English
Subjects:
Algorithms
Antennas
Genetic algorithms (GAs)
Genetics
Ground penetrating radar
High-resolution imaging
Imaging
Microwave imaging
monopulse radar
Optimization
Pipe
Radar antennas
Radar imaging
Radar scattering
radar target recognition
Signal processing algorithms
Ultra wideband radar
Ultra wideband technology
ultra-wideband (UWB) radar
UWB antennas
Walls
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Summary:This paper describes a novel 3-D ultra-wideband (UWB) imaging technique with the aim of detecting, classifying, and imaging water pipes located inside walls. The target under test was chosen in such a way that the echoes of the front side of the wall and of the water pipes overlap making it impossible to distinguish between them in the raw data. Applying a genetic optimization algorithm for modeling the radar response by a superposition of single echoes it was possible to determine the exact round-trip times of several scatterers. Moreover, the algorithm takes into account the pulse distortion caused by varying angles of incidence at the broad beam antenna.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2008.2012209