Investigations of resolution limits for indirect microwave holographic imaging

Yurduseven, Okan, Smith, Dave, Livingstone, Bryan, Schejbal, Vladimir and You, Zhonghui (2013) Investigations of resolution limits for indirect microwave holographic imaging. International Journal of RF and Microwave Computer-Aided Engineering, 23 (4). pp. 410-416. ISSN 10964290

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This work describes how indirect holography which has previously been applied to the determination of antenna radiation patterns can be adapted for the imaging of passive objects. It provides details of how complex scattered field values can be obtained in a simple and inexpensive manner from sampled scalar intensity measurements taken over a single scanning aperture. This work uses indirect holographic techniques to image a number of simple objects including a rectangular metallic plate, a small metal plate covered by a dielectric sheet and a small metallic circular annulus. This work demonstrates that good quality images can be reconstructed from simple scalar intensity patterns. It demonstrates that clear outlines can be obtained in particular from reconstructed phase patterns and that good images can be obtained from objects with dimensions of the order of a half wavelength.

Item Type: Article
Uncontrolled Keywords: microwave imaging, microwave holography, near-field microwave imaging, image reconstruction
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 14 Oct 2013 10:55
Last Modified: 13 Oct 2019 00:32

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