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In this work the active tomographic imaging of biological bodies which exhibits a high dielectric contrast is studied. Two approaches based on the Born approximation are presented: a differential reconstruction method which allows to visualize dielectric alterations and a matched synthesis method intended to minimize the distortion suffered by the illuminating field within the body. The presented techniques have been investigated by numerical simulations and experimentally in a cylindrical tomographic microwave system recently developed, considering the possible applications like Hyperthermia treatment monitoring in cancer.
CitacióBroquetas, A., Mallorqui, J.J., Rius, J., Jofre, L., Cardama, A. Active microwave sensing of highly contrasted dielectric bodies. "Journal of electromagnetic waves and applications", Novembre 1993, vol. 7, núm. 11, p. 1439-1453.