A new reconstruction algorithm for dielectric cylinders using FDTD and design sensitivity analysis

Young Seek Chung; No Weon Kang; Changyul Cheon

doi:10.1109/APS.2001.959812

A new reconstruction algorithm for dielectric cylinders using FDTD and design sensitivity analysis

Young Seek Chung, No Weon Kang, Changyul Cheon

School of Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

In this paper, we propose a novel algorithm to reconstruct the profile of unknown dielectric objects by using the FDTD technique and the Design Sensitivity Analysis (DSA). By introducing the DSA and the adjoint variable method, we can exactly calculate the derivative of error function with respect to dielectric variable, and reduce the computational costs Proposed method is validated by applying to the reconstruction of unknown 2-D dielectric profiles which are illuminated by the TM² plane waves with a gaussian pulse.

Original language	English
Pages (from-to)	666-669
Number of pages	4
Journal	AP-S International Symposium (Digest) (IEEE Antennas and Propagation Society)
Volume	2
DOIs	https://doi.org/10.1109/APS.2001.959812
State	Published - 2001

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10.1109/APS.2001.959812

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title = "A new reconstruction algorithm for dielectric cylinders using FDTD and design sensitivity analysis",

abstract = "In this paper, we propose a novel algorithm to reconstruct the profile of unknown dielectric objects by using the FDTD technique and the Design Sensitivity Analysis (DSA). By introducing the DSA and the adjoint variable method, we can exactly calculate the derivative of error function with respect to dielectric variable, and reduce the computational costs Proposed method is validated by applying to the reconstruction of unknown 2-D dielectric profiles which are illuminated by the TM2 plane waves with a gaussian pulse.",

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ER -

A new reconstruction algorithm for dielectric cylinders using FDTD and design sensitivity analysis

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