Method for determining amplitudes and phases of the different channels in an electromagnetic signal transmission network, such as a telecommunication satellite antenna
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United States of America Patent
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Jan 13, 2004
Grant Date -
N/A
app pub date -
Jan 31, 2001
filing date -
Jun 4, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Amplitudes and phases of different channels in an electromagnetic signal transmission network, whereof the sources are arranged in a triangular lattice, are determined by tiling the lattice with hexagons having six equal sides, the hexagonal tiles that are formed are distributed on the lattice such that two successive tiles along a direction in the lattice rectangular height equivalent to the triangular lattice are offset by an elementary step along the width direction. A Fourier transform is performed on the resulting tiles; directions are selected on the resulting new lattice corresponding to the transmission directions; an inverse Fourier transform is performed of the directions; and amplitude and phase coefficients to be applied to the transmission network different channels are deduced from the inverse Fourier transform.
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