Method of characterization of an overflown ground from a...

Details Method of characterization of an overflown ground from a... Method of characterization of an overflown ground from a...

G - Physics

01

C

343/10

G01C 23/00 (2006.01) G01S 7/41 (2006.01) G01S 13/34 (2006.01) G01S 13/94 (2006.01)

Patent

CA 2057381

The invention proposes a novel method for using the sig- nals provided by an airborne FM/CW radio altimeter, allowing to perform an analysis of the ground overflown by an air- craft for the purpose of, for example, identifying it, or alternatively of recognizing it. The method of the invention consists in analyzing, in the frequency domain, the shape of the spectrum of the beat signal generated by said radio altimeter to characterize said ground so as to extract from it information relating to the reflectivity of said ground.

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