Abstract
The evanescent wave re-construction performance in the time reversal system with periodic sub-wavelength grating is studied in this paper. Both the analysis and calculation results show that the evanescent components of the initial wave can’t be re-constructed directly by far field time reversal processing. The results indicate the uncertainty of the super-resolution performance of the time reversal technique with randomly arranged scatters. A new method to achieve super-resolution imaging by using evanescent-to-propagation wave conversion also been proposed at the end of this paper.
Funding statement: Research Fund for the Doctoral Program of Higher Education of China, (Grant / Award Number: ‘20120185130001’) National Natural Science Foundation of China, (Grant / Award Number: ‘61331007’, ‘61361166008’, ‘61401065’).
Acknowledgements
This work was supported by the National Natural Science Foundation of China (Grant Nos. 61331007, 61361166008, and 61401065), and the Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20120185130001).
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Articles in the same Issue
- Frontmatter
- Frequency Reconfigurable Antenna for Deca-Band 5 G/LTE/WWAN Mobile Terminal Applications
- Printed Antenna Array with Flat-Top Radiation Pattern
- CPW-fed Circularly Polarized Slot Antenna with Small Gap and Stick-shaped Shorted Strip for UHF FRID Readers
- Frequency Reconfigurable Quasi-Yagi Antenna with a Novel Balun Loading Four PIN Diodes
- Analysis and Optimization of Conformal Patch Excited Wideband DRA of Several Shapes
- Synthesis of Conformal Phased Antenna Arrays With A Novel Multiobjective Invasive Weed Optimization Algorithm
- Stopband-Extended and Size-Miniaturized Low-Pass Filter Based on Interdigital Capacitor Loaded Hairpin Resonator with Four Transmission Zeros
- Electronically Reconfigurable Varactor-Loaded HMSIW Bandpass Filter
- Differential BPFs with Multiple Transmission Zeros Based on Terminated Coupled Lines
- Wideband Bandpass Filter with High Selectivity and an Adjustable Notched-band Adopting a Multi-mode Resonator
- UWB Bandpass Filter with Ultra-wide Stopband based on Ring Resonator
- Design of Compact Wilkinson Power Divider with Harmonic Suppression using T-Shaped Resonators
- Dual Segment Glocal Model Based Capacitive Level Sensor (CLS) for Adhesive Material and Level Detection
- 100 GHz FMCW Radar Module Based on Broadband Schottky-diode Transceiver
- Modeling of Graphene Planar Grating in the THz Range by the Method of Singular Integral Equations
- Evanescent-Wave Reconstruction in Time Reversal System
- White Gaussian Noise – Models for Engineers