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Article | REF: E3295 V1

Active antennas - Sizing

Author: François GAUTIER

Publication date: May 10, 2003, Review date: February 14, 2023

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12. Beam forming

Beamforming laws are amplitude/phase laws that are used to modify the shape of radiation patterns.

In determining these laws, we must never forget that :

  • any amplitude weighting on transmission reduces the microwave power generated by the antenna, while consumption remains more or less the same;

  • the linear pointing law of the type (u 0 x + v 0 y ) operates a translation of the lattice factor in (u, v ) space but not in angle space. Thus:

    • 3 dB contours and the 8

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