Through-the-wall imaging from electromagnetic scattered field measurements
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We investigate an inverse imaging problem for TWI (Through-the-wall Imaging) using frequencies between 500 GHz and 1 THz. Starting from first principles, this thesis uses Maxwells equations to develop a model for the transmission Greens function. This simplified model is then used in a Lippman-Schwinger integral equation to predict the scattered field associated with interrogating THz waves. We investigate the effects of wave propagation through isotropic media, and present methods for creating images from the scattered field. These methods are examined using simulated data.