TH1.L10.2: TANDEM-X COMMISSIONING PHASE STATUS

TanDEM-X Commissioning Phase Status J. Hueso Gonzalez, M. Bachmann, H. Hofmann and DLR commissiong phase team

New Challenges TanDEM-X Mission ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CP TerraSAR-X 2007 2008 2009 2010 2011 2012 2013 2014 2015 TanDEM-X DEM Acquisition

Overview TanDEM-X Commissioning Phase Plan ,[object Object],[object Object],[object Object],[object Object],[object Object],TDX monostatic commissioning phase LEOP and GS checkout Orbit drift 1 month 2,5 months Launch 21.06.2010 Transition 20km 07.2010 Transition close formation 10.2010 2 months Operational01.2011 Bistatic commissioning phase

Launch and Early Orbit Phase (LEOP) & Ground Segment Checkout

TanDEM-X Launch – June 21 st 2010 TanDEM-X launch video

LEOP – Orbit configurations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],15700 km 20 km 510-515 km Height ~95 min Period 11 days Repeat cycle 97.4°, polar Inclination TSX-1 and TDX-1 reference orbit characteristics TSX-1 TDX-1

LEOP & Ground Segment Checkout ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

First SAR Images of TDX-1 – Ukraine River Donets Agricultural land types ↕ Polarization response 24/06/2010; dual-pol SAR image; ascending orbit, right looking

First SAR Images of TDX-1 – Ukraine v TDX-1 v TRAIN Azimuth displacement moving target ~ v TRAIN range azimuth range

TDX-1 Monostatic Commissioning – Pursuit Monostatic Formation 20 km

TDX-1 Monostatic Commissioning Phase ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mono-CP: Safety Aspects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mono-CP: Calibration and Performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Bistatic Commissioning – Close Formation

Bi-static Commissioning Phase ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TanDEM-X Global Test Sites 0° - Equator 30°N 60°N 30°S 60°S

Highlights ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],No showstoppers at all! 220 m ± 2 km Altitude TDX-1 Expected Injection parameter 0.0095 deg ± 0.04 deg Inclination

TanDEM-X first interferogram and DEM (I) ,[object Object],[object Object],[object Object],TSX-1 TDX-1 Ground tracks cross at the poles

TanDEM-X first interferogram and DEM (II) ,[object Object],[object Object],[object Object],k x k y Ground spectra acquired at zero-Doppler Squint correction applied Rotated SAR coordinates Rotated ground spectrum -0.058º bkw squint doppler -500 Hz 0.93º fwd squint doppler 800 Hz x (range) y (azimuth) x‘ y‘

Results over October Revolution Island (Russian Arctic) Coherence DEM SAR Image Coherence Interferogram * Baseline: ~2600 m * h amb = 3m * DEM accuracy ≈ 10cm No azimuth filter needed in interferometric processing

TH1.L10.2: TANDEM-X COMMISSIONING PHASE STATUS

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TH1.L10.2: TANDEM-X COMMISSIONING PHASE STATUS

Editor's Notes