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A novel time reversal method for target detection in cluttered media

Jian-Gang Zhu, Yi Jiang, D.D. Stancil, and J. Moura. A novel time reversal method for target detection in cluttered media. In IEEE Antennas and Propagation Society International Symposium, pp. 135– 138, 3-8 July 2005.

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Abstract

A cluttered environment with highly scattering objects significantly enhances the difficulty for detecting targets using electromagnetic waves. Time reversal methods have been developed in acoustic wave propagation. It has been shown that the super resolution focusing effect in acoustic wave propagation can also be achieved electromagnetic wave propagation. We present a novel time reversal method that nullifies the scattering objects to allow automatic focusing of the propagated electromagnetic wave on a target that is to be detected. Numerical simulations using the FDTD method have been carried out. The results show that the method significantly enhances the dynamic range of target detection in a highly scattering environment and could substantially increase target detectability.

@CONFERENCE{zhu_aps_2005,
  author = {Jian-Gang Zhu and Yi Jiang and D.D. Stancil and J. Moura},
  title = {A novel time reversal method for target detection in cluttered media},
  booktitle = {IEEE Antennas and Propagation Society International Symposium},
  year = {2005},
  volume = {4B},
  pages = {135- 138},
  month = {3-8 July},
  abstract = {A cluttered environment with highly scattering objects significantly
	enhances the difficulty for detecting targets using electromagnetic
	waves. Time reversal methods have been developed in acoustic wave
	propagation. It has been shown that the super resolution focusing
	effect in acoustic wave propagation can also be achieved electromagnetic
	wave propagation. We present a novel time reversal method that nullifies
	the scattering objects to allow automatic focusing of the propagated
	electromagnetic wave on a target that is to be detected. Numerical
	simulations using the FDTD method have been carried out. The results
	show that the method significantly enhances the dynamic range of
	target detection in a highly scattering environment and could substantially
	increase target detectability.},
  owner = {henty},
  pdf = {zhu_time-reversal_method_target_detection_cluttered_media_2005.pdf},
  timestamp = {2006.09.03},
}

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