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Mechanism of spatial super-resolution of time-reversed microwave system

Chen Ying-Ming Wang Bing-Zhong Ge Guang-Ding

Mechanism of spatial super-resolution of time-reversed microwave system

Chen Ying-Ming, Wang Bing-Zhong, Ge Guang-Ding
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  • Abstract views:  1357
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  • Received Date:  20 December 2010
  • Accepted Date:  21 March 2011
  • Published Online:  20 January 2012

Mechanism of spatial super-resolution of time-reversed microwave system

  • 1. Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China
Fund Project:  Project supported by the High Technology Research and Development Program of China (Grant No. 2008AA01Z206), the Research Fund for the Doctoral Program of Higher Education of China(Grant No. 20100185110021), and the National Natural Science Foundation of China (Grant No. 61071031).

Abstract: Time-reversed system with a sub-wavelength structure is one of the necessary conditions for the system to show spatial super-resolution characteristics. In the near field zone, Coulomb field predominates the transmission of signals. The resolution limit of Coulomb field is characterized only by the sizes and the spatial distribution of scatterers, which is useful for obtaining the super-resolution beyond the diffraction limit.

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