The influence of small random phase errors on the edge response of an idealized synthetic-aperture mapping radar is treated. The target field considered is homogeneous rough terrain which suddenly changes reflectivity.nThe ideal system discussed has Gaussian real antenna beams and uses matched filtering to obtain fine azimuth resolution. The measure of system performance is the ensemble average power output.nThe results in this report can assist in determining the effect of phase errors on the ability of synthetic-aperture mapping radars to discern roads, rivers, ravines, or any terrain features which can be accu¬rately characterized by a sudden change in reflectivity with a fairly homogeneous scattering medium on either side of the demarcation.
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