Phase-history data collection for synthetic-scene-modeling applications

Kelce S. Wilson; Patricia A. Ryan; Michael J. Minardi

doi:10.1117/12.438201

27 August 2001 Phase-history data collection for synthetic-scene-modeling applications

Kelce S. Wilson, Patricia A. Ryan, Michael J. Minardi

Proceedings Volume 4382, Algorithms for Synthetic Aperture Radar Imagery VIII; (2001) https://doi.org/10.1117/12.438201
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

Development of phase history calibration techniques is important for improving Synthetic Aperture Radar (SAR) scene modeling capabilities. Image data of complex scene settings is used for clutter database construction, and the resulting databases are used in conjunction with synthetic radar predictions of complex targets to predict synthetic SAR imagery. The current method of trihedral calibration is typically performed after image formation, using a ratiometric technique, which is highly dependent on calibration target position and orientation and ground truth accuracy. As part of a recent SAR research data collection, measurements were made on a calibration-grade, 6-meter diameter top hat in both a homogeneous scene and with controlled obscuration and layover conditions. This paper will discuss phase-history calibration target design and scenario design to support obscuration and layover studies.

Citation Download Citation

Kelce S. Wilson, Patricia A. Ryan, and Michael J. Minardi "Phase-history data collection for synthetic-scene-modeling applications", Proc. SPIE 4382, Algorithms for Synthetic Aperture Radar Imagery VIII, (27 August 2001); https://doi.org/10.1117/12.438201

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