Thales

Alcatel

Eric Thomas

Frédéric Falzon

A remote sensing instrument using optical aperture synthesis comprises at least two independent remote sensing devices each comprising at least two light collecting means delivering light beams and having a selected field of view and a selected resolution and further comprising recombination means adapted to recombine interferometrically the light beams delivered by said devices so as to deliver a final light beam associated with a resolution better than or equivalent to the lowest resolution of said devices and/or a field of view less than or equal to the largest field of view of said devices.

Variable resolution and/or field of view using optical aperture synthesis remote sensing instrument

The invention concerns an imaging assembly comprising a synthetic aperture instrument including a plurality of pupils separated by sampling detection means. The sampling frequency values in column (u) and in line (v) are less than the values corresponding to the Shannon criterion, and are such that zones of response modulation transfer function resulting from sampling are inserted in zones of null modulation transfer function of the central section of the modulation transfer function, so that said zones do not form an intersection and, in a central section of smaller dimension () than the central section () of the modulation transfer function, the set of zones representing the central section of the modulation transfer function is present. The acquired image spectrum is reconfigured so as to reconstruct said image.

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Mandelieu, France

Eric Thomas