Physical optics imaging with limited aperture data

Some results are reported of an applied research effort concerning the imaging and/or identification of conducting cones based on measured transient response data. An important restriction on the effort was that data were available at only a few look angles, all within of nose-on incidence. The accuracy between measured data set and physical optics inverse scattering results is first examined, and then the problem of inverse scattering from limited look angle data is discussed.