Array antenna (2D)
d =
λ
/2,
φ
= 0
d =
λ
/2,
φ
= π
d =
λ
/4,
φ
= π/2
d =
λ
/2,
φ
= 0
(zoom in)
d =
λ
/2,
φ
= π
(zoom in)
d =
λ
/4,
φ
= π/2
(zoom in)
d : 2
Distance between two devices
φ
: 2
Phase difference between two devices
principal (pdf)
