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Overview of Image Quality and Calibration
8
Ron Caves,
• Ongoing monitoring & calibration program
– Acquisitions over calibration sites
– Analysis and trending of quality measures
– Calibration adjustments as warranted
• Ongoing work to enhance accuracy and minimize
artifacts
• Creation of new modes
– (e.g. Dual-Pol Extended Low, Maritime Surveillance ScanSAR, Extra-Fine,
Wide Quad Pol Modes)
Corner Reflector and Antenna Dish Point
Target Measurements
(Resolution, sidelobe ratios, geolocation)
Amazon Rainforest Distributed Target Measurements
(Radiometric accuracy, beam patterns, beam pointing, polarimetric
correction matrices, inter-wing phase balance)
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Other
(Noise levels,
antenna
verification,
local oscillator
frequency,
new mode
evaluation, issue
investigations)