a Matlab package for phased array beam shape inspection

48 A FIGURES TO CHAPTERS 2–7
ARRAY MxMy=50×20 Dx=1.50 Dy=1.50 Steering δx=316.9° δy=265.9°
ELEMENT φ=30.0° θ=35.0° w=63.2° G=10.0 dBi Aeff/A=0.30
BEAM 1 φ=40.0° θ=50.0° w=1.31° D1=−0.8 dB D6=−2.2 Gref=40.0 dBi
GRATING [1] φ=40° θ=50° G/Gref=−0.8 dB [2] 147 63 −22.1
[3] 99 30 −3.8 [4] −167 50 −23.2 [5] −115 11 −6.0
[6] −17 38 −2.2 [7] −95 58 −21.4
0
Element gain and array factor in φ=40.0° plane
(dB)
−10
−20
u y
−30
−90 −60 −30 0 30 60 90
θ (°)
1
0
−1
Grating
2 3
1
4 5 6
−1 0 1
7
u x
G / G ref
(dB)
0
−10
−20
Gain at φ=40.0° θ≈50.0°
g=−0.8dB w≈1.32°
−30
−4 −2 0 2 4
∆θ (°)
Figure 16: Inspecting the array pattern with planearray.