1. Pau Prats , Paco López-Dekker, Francesco De Zan, Steffen Wollstadt, Markus Bachmann, Ulrich Steinbrecher, Rolf Scheiber, Andreas Reigber, Gerhard Krieger Microwaves and Radar Institute (HR) German Aerospace Center [email_address] Distributed Imaging with TSX and TDX

4. TanDEM-X: Secondary Mission Objectives VU > Alberto Moreira Bistatic SAR Imaging Super Resolution Polarimetric SAR Interferometry Ground Moving Target Indication SAR Tomography Sea ice monitoring B 1 B 2 B 3     Crossed-orbits   Double Differential Interferometry Digital Beamforming

6. TanDEM-X Commissioning Phase June‘10 July‘10 Aug‘10 Sep‘10 Oct‘10 Nov‘10 Dec‘10 Early Orbit Phase Grg Segment Checkout Bi-static Commissioning Phase 20 km Formation TDX Orbit Drift 16.000 km  20 km Close Helix-Formation 300-400 m Launch 21 June DEM Acquisition First SAR Image 24 June (MET +3.6) First DEM 16 July (MET +25) TDX Monostatic Comm. Phase 6 Months Commissioning Phase First close formation DEM 19 October (MET +124) First bi-static SAR image 8 August (MET +48) First single-pass bi-static DEM 2 October (MET +107)

8. Super Resolution in Range: Step-Frequency with TSX and TDX Coregistration Common-band spectrum interferogram

10. Super Resolution in Range: Experimental Results azimuth  range 

11. Super Resolution in Range: Experimental Results (II) Common-band interferogram azimuth  range 

12. Super Resolution in Range: Experimental Results (III) azimuth  range 

13. Super Resolution in Range: Experimental Results (IV) azimuth  range 

14. Super Resolution in Range: Experimental Results (V) azimuth  range 

15. Super Resolution in Range: Experimental Results (VI) Interferometric coherence between synthesized images Interferometric phase between synthesized images azimuth  range 

16. Super Resolution in Azimuth f DC,1 f DC,2 f DC,mean f a f a f a  TSX TDX

18. Super Resolution in Azimuth: DTAR Analysis TDX DTAR: -21.67 dB TSX DTAR: -21.04 dB Maximum bandwidth DTAR: -19.91 dB Twice the resolution DTAR: -21.42 dB

19. Super Resolution in Azimuth: Experimental Results (I) azimuth  range 

20. Super Resolution in Azimuth: Experimental Results (II) Common-band interferogram azimuth  range 

21. Super Resolution in Azimuth: Experimental Results (III) azimuth  range 

22. Super Resolution in Azimuth: Experimental Results (IV) azimuth  range 

23. Super Resolution in Azimuth: Experimental Results (V) azimuth  range  azimuth  range 

28. Thank you for your attention! VU > Alberto Moreira