Along-track interferometric synthetic aperture radar

Details Along-track interferometric synthetic aperture radar Along-track interferometric synthetic aperture radar

G - Physics

01

S

G01S 13/90 (2006.01) G01S 13/60 (2006.01)

Patent

CA 2221400

- 1 9- An along-track interferometric SAR (Synthetic Aperture Radar) of the present invention includes a single SAR line and observes a target only once. SAR data derived from a single observation are subjected to look division in order to reproduce two SAR images deviated in time from each other. Interference processing is executed with the two SAR images in order to determine a phase difference. The phase difference is converted to the velocity of the target. This can be done without resorting to any additional hardware.

SAR (radar à ouverture synthétique) interférométrique à balayage longitudinal comprenant une unique ligne SAR et repérant une cible en une seule fois. Les données SAR provenant d'un unique repérage sont soumises à une division de visée afin de reproduire deux images SAR espacées dans le temps l'une par rapport à l'autre. Le traitement de brouillage est exécuté avec les deux images SAR afin de déterminer une différence de phase. Celle-ci est convertie en vitesse-cible. Cela peut se faire sans matériel supplémentaire.

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