| 摘要 |
The invention relates to a method which consists in launching one behind the other on two close orbits two satellites (S1, S2) each equipped with a high-resolution synthetic aperture radar observing the Earth under an angle of incidence of at least 40°, such that the radars observe independently of each other the same strip of terrain, with time interval not more than 10 seconds, preferably of not more than 4 seconds, and preferably not less than 2 seconds between their respective observations.
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