Citation: | Liu Yuan, Chen Jie, Fang Guang-you, Yin He-jun. Microwave Imaging of Layered Medium Based on Phase Shift Migration(in English)[J]. Journal of Radars, 2015, 4(4): 431-438. doi: 10.12000/JR14152 |
The classical Frequency-Wavenumber (F-K) imaging algorithm can efficiently reconstruct the image for homogeneous medium; however, it cannot generate focused and properly-located images for layered medium. Considering the electrical properties of individual layer and the discontinuity between layers, the phase shift migration for layered medium is derived in this paper. The analysis on the backscattered transfer function shows that some assumptions and mathematical approximations are applied in the proposed method. The numerical and experimental results are presented to show the feasibility of the proposed method for real-time imaging of layered medium.
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