6 July 2000 Free-space imaging with an active microwave tomographic system
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Significant progress has been made in recent years in the development of microwave tomographic systems for medical applications. This technique has also similar potential for industrial applications. It can be used as an alternative to (chi) -ray, magnetic resonance, and ultrasound imaging systems, providing good images at a lower cost. This paper presents an appropriate microwave tomographic scanner designed for industrial applications. The microwave antennas and the object are not immersed in water, unlike those developed for medical imaging. The aim is to image an object with the antennas suspended in free space. We have implemented a system using sixteen monopole transmitting and sixteen monopole reception antennas surrounding an object of a maximum diameter of 12 cm, and Newton Kantorovich image reconstruction algorithm. The images of dielectric objects from the experimental data of scattered fields measured around such objects are reconstructed and presented.
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Abdelhakim H. Boughriet, Abdelhakim H. Boughriet, Z. Wu, Z. Wu, A. T. Nugroho, A. T. Nugroho, Hugh McCann, Hugh McCann, L. E. Davis, L. E. Davis, } "Free-space imaging with an active microwave tomographic system", Proc. SPIE 4129, Subsurface Sensing Technologies and Applications II, (6 July 2000); doi: 10.1117/12.390650; https://doi.org/10.1117/12.390650

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