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Detection of buried dielectric cavities using the finite-difference time-domain method in conjunction with signal processing techniques.

We address the problem of detecting low-dielectric contrast cavities buried deep in a lossy ground by using the finite-difference time-domain (FDTD) method in conjunction with signal processing techniques for extrapolation and object identification. It is well known that very low frequency probing i...

Cur síos iomlán

Sonraí bibleagrafaíochta
Foilsithe in:IEEE Transactions on antennas and propagation 48, 9 (2000).
Príomhchruthaitheoir: Ji-Fu Ma
Formáid: Alt
Teanga:Béarla
Ábhair:
FDTD method.
Buried dielectric cavities detection.
Buried prism.
Depth estimation.
Electromagnetic waves.
Extrapolation.
Finite-difference time-domain method.
Forward problem.
Hybrid approach.
Inverse scattering problem.
Lossy ground.
Low-dielectric contrast cavities.
Measured field.
Neural networks.
Numerical modeling.
Object identification.
Operating frequency.
Rational function approximation.
Signal processing.
Very low frequency probing.