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.degree., 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.

La invención se relaciona con un método que consista en lanzar uno detrás del otro en dos órbitas cercanas dos satélites (S1, S2) cada uno equipado de un radar sintético de alta resolución de la abertura observando la tierra bajo ángulo de la incidencia por lo menos de 40.degree., tal que los radares observan independientemente de uno a la misma tira del terreno, con intervalo del tiempo no más que 10 segundos, preferiblemente de no más que 4 segundos, y preferiblemente no no menos que 2 segundos entre sus observaciones respectivas.

 
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