Abstract
The surface of the ocean as observed by a Synthetic Aperture Radar (SAR) evidences both random and deterministic dynamics that have a major impact on the resulting image. This paper explores selected image properties when both effects are present. It is shown that the average response signal level of the SAR is not sensitive to misfocus, whether caused by processor maladjustment or scene dynamics. On the other hand, impulse response and frequency response are critically affected by focus, with a sensitivity that is proportional to the SBP (space-bandwidth product) of the SAR. Thus, accelerations in a wave scene cannot give rise to wave-like contrasts in imagery, but they may cause a degradation in frequency response, thus reducing any contrasts already present.
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