A portfolio of fine-resolution SAR images

Armin W. Doerry; Vivian Dee Gutierrez; Lars M. Wells

doi:10.1117/12.542409

12 August 2004 A portfolio of fine-resolution SAR images

Armin W. Doerry, Vivian Dee Gutierrez, Lars M. Wells

Proceedings Volume 5410, Radar Sensor Technology VIII and Passive Millimeter-Wave Imaging Technology VII; (2004) https://doi.org/10.1117/12.542409
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

Sandia National Laboratories designs and builds Synthetic Aperture Radar (SAR) systems capable of forming high-quality exceptionally fine resolution images. Resolutions as fine as 4 inches (10 cm) in both slant range and azimuth are routinely formed in real time on board Sandia’s DeHavilland DHC-6 Twin Otter aircraft using a Ku-band SAR. Resolutions as fine as 6 inches (15 cm) in both slant range and azimuth are routinely formed using an X-band SAR. Careful system design allows high image quality as measured by nearly ideal Impulse Response (IPR) shapes, with typical Multiplicative Noise Ratios (MNR) of better than 20 dB, and a noise equivalent reflectivity usually better than -30 dB. Collection geometries routinely include squint angles 45 degrees both fore and aft of broadside, on either side of the aircraft. This paper offers a collection of high quality images representative of the output of Sandia’s testbed radar. High-quality fine-resolution images of a variety of target scenes will be displayed, with annotation describing relevant image parameters.

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Armin W. Doerry, Vivian Dee Gutierrez, and Lars M. Wells "A portfolio of fine-resolution SAR images", Proc. SPIE 5410, Radar Sensor Technology VIII and Passive Millimeter-Wave Imaging Technology VII, (12 August 2004); https://doi.org/10.1117/12.542409

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KEYWORDS

Synthetic aperture radar

Ku band

Image resolution

Radar

Charge-coupled devices

Image quality

Quality measurement

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