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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Beam forming
Linearity
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