2. This is a 1500 m × 1500 m part (shown at full resolution) of a TerraSAR-X ima

Question

2. This is a 1500 m × 1500 m part (shown at full resolution) of a TerraSAR-X image with a ship and wake signature. The flight and look directions are shown in the figure; inci- dence angle = 9.65 GHz. 35°, orbit altitude 515 km, satellite speed 7600 m/s, radar frequency Range a) TerraSAR-X is usually right-looking, but it can be rotated for left-looking acquisitions f this image was taken left- or temporarily. Can you t right-looking? Can you tell if it was taken during an ascending (northward) or de- scending (southward) overpass? [896] rom ip sign how to judge...-A MATLAB R201 oce643 midt NOAASARMa e..

Explanation / Answer

a. TerraSAR-X is an imaging radar earth observation satellite. TerraSAR-X was launced on 15 June 2007. It is moving in the polar orbit at an altitude of about 514 km. The resolution of these images is upto 1m and it has an excellent radiometric accuracy and has a quick site access time of maximum 2.5 days to any point on the earth. On seeing the image we can say that the image is taken from the right looking since the signature of the ship and wake are on the left side of the image. We also observe that the upstream part of the ship is bright whereas downstream part is dark.

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