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GISMO Radar Review

GISMO Radar Review. GISMO Processor and Results August 7, 2007. GISMO Interferometry Processor. Raw data GPS data Motion data Accelerometer data Calibration data. Range compressed data (channel, waveform). Preprocessor. Range compressor. Range reference functions. Waveform

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GISMO Radar Review

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  1. GISMO Radar Review GISMO Processor and Results August 7, 2007

  2. GISMO Interferometry Processor Raw data GPS data Motion data Accelerometer data Calibration data Range compressed data (channel, waveform) Preprocessor Range compressor Range reference functions Waveform combiner SLC image archive Azimuth compressor with back-projection and ray bending InSAR processor: with registration & Interferogram generation Ice density profile Base intensity & topography archives in SCH and PS geometry GISMO processing: Multi-channel/looking Left/right separation Surface clutter cancellation Interferogram flattening Post InSAR processor: Interferogram filtering Phase unwrapping Topography Estimation and Orthorectification

  3. GISMO Tomography Processor Raw data GPS data Motion data Accelerometer data Calibration data Range compressed data (channel, waveform) Preprocessor Range compressor Range reference functions Waveform combiner Back-projection tomography processor Return/repeat pass selector: Waveform combined range compressed data archive 3D reflectivity

  4. Estimate base topography • 6 interferograms with baseline of 3.91 meters • (T0/R0, T1/R0) • (T0/R1, T1/R1) • (T0/R2, T1/R2) • (T0/R3, T1/R3) • (T0/R4, T1/R4) • (T0/R5, T1/R5) Left side Right side -7.38 6.43 8.33 T0 T1 -8.33 -3.91 3.91 7.38 -6.43

  5. GISMO - Interferogram

  6. Left-Right separation: Theoretical analysis S1 S2 x B r1 H r1 r2, right r2, left P Q h(x)

  7. Left/right side interferogram spectrum right side spectrum Left side spectrum

  8. Left/right side interferogram separation Left side interferogram Right side interferogram

  9. Left/right side intensity separation Left side intensity Right side intensity

  10. GISMO Equation B    r2 r1 sin1 = n·sin2 

  11. Base Topography estimation • 3.91 m baseline results

  12. Base Topography estimation • 3.91 m baseline results

  13. Estimate base topography • 6 interferograms with baseline of 7.38 meters • (T0/R0, T0/R5) • (T0/R1, T0/R4) • (T0/R2, T0/R3) • (T1/R0, T1/R5) • (T1/R1, T1/R4) • (T1/R2, T1/R5) Left side Right side -7.38 6.43 8.33 T0 T1 -8.33 -3.91 3.91 7.38 -6.43

  14. Interferogram combination with 7.38 m baseline

  15. Left/right side interferogram spectrum Baseline: 3.91m 7.38m

  16. Left/right side interferogram separation Left side interferogram Right side interferogram

  17. Left/right side intensity separation Left side intensity Right side intensity

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