Arrangement for the interferometric radar measurement...

Details Arrangement for the interferometric radar measurement... Arrangement for the interferometric radar measurement...

G - Physics

01

S

G01S 13/90 (2006.01)

Patent

CA 2359252

The invention relates to an arrangement for the interferometric radar measurement according to the ROSAR principle and to a device using said principle. The inventive device comprises two coherent reception antennae having two reception channels. The distance in the path between the two distances of the antennae and the measured points of impact is calculated by the wavelength .lambda. of the emitted radar signal and the measured phase difference of the receiving echo of the two coherent reception channels. According to the invention, the interferometric ROSAR arrangement is integrated in or on a rotating device and positioned in such a way that the entire area to be measured can be detected.

L'invention concerne un système de mesure radar interférométrique pour un dispositif fonctionnant selon le principe du ROSAR, qui comporte une antenne d'émission cohérente et deux antennes de réception cohérentes et leurs voies de réception et dans lequel on calcule la différence de chemin des deux distances d'antenne aux points d'impact mesurés à partir de la longueur d'onde .lambda. du signal radar émis et de la différence de phase mesurée des échos de réception des deux voies de réception cohérentes. Le système ROSAR interférométrique selon l'invention est caractérisé en ce qu'il est intégré dans ou sur un dispositif rotatif et est positionné de sorte que chaque zone appropriée de la surface à mesurer peut être couverte.

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