Brief description of the observation of a region of the earth's surface, in particular located a latitude castings, ground station and satellite system for implementing this process

摘要

Method of the observation of a region of the earth's surface, said region of interest (ri), using a plurality of satellites (sat1, sat2) spaced apart along at least a non-geostationary orbit (o), said method comprising: the acquisition by at least two of these satellites, during a single passage to the - the top of said region of interest, and during successive acquisition periods, of a plurality of images of the earth's surface, said partial images, each covering a portion (ro1, ro2) of said region of interest; and - obtaining an image covering the whole of said region of interest by melting at least two partial images, with a predefined time shift between their acquisition periods, for each of said at least two satellites. Observation satellite system of a region of the terrestrial surface for the implementation of such a process, and ground segment (st) belonging to such a system.