Research on the single-frequency super-resolution focusing of micro-structured antenna based on time reversal electromagnetic wave | Zendy

Tu Hui-Lin | Zendy; Shaoqiu Xiao | Zendy; Yang Zhi-Jie | Zendy; BingZhong Wang | Zendy

Open Access

Research on the single-frequency super-resolution focusing of micro-structured antenna based on time reversal electromagnetic wave

Author(s) -

Tu Hui-Lin,

Shaoqiu Xiao,

Yang Zhi-Jie,

BingZhong Wang

Publication year - 2014

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.63.084102

Subject(s) - antenna (radio) , coaxial , resolution (logic) , broadband , signal (programming language) , optics , wavelength , computer science , frequency band , acoustics , physics , telecommunications , artificial intelligence , programming language

The idea that single-frequency electromagnetically excited signal can possess the property of super-resolution focusing under time reversal technique is proposed in this paper. The feasibility of the idea is investigated from the channel theory. A micro-structured model with inter-element spacing of 1/4 wavelength is proposed based on the traditional coaxial probe antenna. Simulated results verify that in combination with time reversal technique, the model shows super-resolution focusing characteristics under single-frequency and broadband input signal excitation. The theoretical analysis and simulated results have great guiding significance for the super-resolution research of the single-frequency and multi-band antennas.

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