TY - GEN
T1 - Reconstruction of coupling profiles for scattering media by the schur algorithm combined with an extrapolation method
AU - Kim, Taejoon
AU - Oe, Icsoo
AU - Chun, Joohwan
PY - 2005
Y1 - 2005
N2 - We demonstrate an efficient inverse scattering algorithm for reconstructing the coupling profiles or reflection coefficients of a discrete layered medium. The method, called the Schur algorithm combined with an extrapolation method, is based on solving the coupled-mode differential equation in a layer-peeling procedure with a simple extrapolation scheme. In order to reduce the estimation errors caused by discretization of an inhomogeneous medium, we analyze the error propagation of inverse scattering with the Schur algorithm (layer-peeling method) and propose the extrapolation scheme. Numerical examples are provided that compare the Schur algorithm combined with an extrapolation method to the general Schur algorithm in a coarse discretization environment. The comparison shows that the proposed method produces a more accurate reconstruction with a lower order of complexity. © 2005 IEEE.
AB - We demonstrate an efficient inverse scattering algorithm for reconstructing the coupling profiles or reflection coefficients of a discrete layered medium. The method, called the Schur algorithm combined with an extrapolation method, is based on solving the coupled-mode differential equation in a layer-peeling procedure with a simple extrapolation scheme. In order to reduce the estimation errors caused by discretization of an inhomogeneous medium, we analyze the error propagation of inverse scattering with the Schur algorithm (layer-peeling method) and propose the extrapolation scheme. Numerical examples are provided that compare the Schur algorithm combined with an extrapolation method to the general Schur algorithm in a coarse discretization environment. The comparison shows that the proposed method produces a more accurate reconstruction with a lower order of complexity. © 2005 IEEE.
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UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-33646788100&origin=recordpage
U2 - 10.1109/ICASSP.2005.1415961
DO - 10.1109/ICASSP.2005.1415961
M3 - RGC 32 - Refereed conference paper (with host publication)
SN - 0780388747
SN - 9780780388741
VL - IV
SP - IV125-IV128
BT - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
PB - IEEE
T2 - 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP '05
Y2 - 18 March 2005 through 23 March 2005
ER -