Two-dimensional multi-beam former, antenna comprising such a multi-beam former and satellite telecommunication system comprising such an antenna
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United States of America Patent
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Apr 18, 2017
Grant Date -
Dec 4, 2014
app pub date -
Jan 25, 2013
filing date -
Jan 27, 2012
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Abstract
The multi-beam former comprises: two stages connected together and intended to synthesize beams focused along two directions in space; each stage comprises at least two multi-layer plane structures (P11, P1Ny), (P21, P2Mx), superposed one above the other; each multi-layer structure (P11, P1Ny, P21, P2Mx) comprises an internal reflector, at least two first internal sources disposed in front of the internal reflector and linked to two input/output ports (27, 26) aligned along an axis (V, V′), at least two second internal sources disposed in a focal plane of the internal reflector and linked to two second input/output ports (25, 28) aligned along an axis (U, U′) perpendicular to the axis (V, V′); the two second internal sources of the same multi-layer structure (P11) of the first stage are respectively linked to two first internal sources of two different multi-layer structures (P21), (P2Mx) of the second stage.
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