Table 1: (a) Required normalized amplitude of slots excitations for the 8 × 8 planar array with a circular radiation pattern. (b) Required phase (degrees) of slots excitations for the 8 × 8 planar array with a circular radiation pattern. (c) Designed slots lengths (mm) for the 8 × 8 planar array with a circular radiation pattern. (d) Designed slots offsets (mm) for the 8 × 8 planar array with a circular radiation pattern.
(a)

Radiat. waveg.Slot
1
Slot
2
Slot
3
Slot
4
Slot
5
Slot
6
Slot
7
Slot
8

10.100.100.150.160.160.150.100.10
20.100.180.170.100.100.170.180.10
30.150.170.190.490.490.190.170.15
40.160.100.491.001.000.490.100.16
50.160.100.491.001.000.490.100.16
60.150.170.190.490.490.190.170.15
70.100.180.170.100.100.170.180.10
80.100.100.150.160.160.150.100.10

(b)

Radiat. waveg.Slot
1
Slot
2
Slot
3
Slot
4
Slot
5
Slot
6
Slot
7
Slot
8

1129.910.93.60.00.03.610.9129.9
210.96.519.347.947.919.36.510.9
33.619.3129.9139.4139.4129.919.33.6
40.047.9139.4149.1149.1139.447.90.0
50.047.9139.4149.1149.1139.447.90.0
63.619.3129.9139.4139.4129.919.33.6
710.96.519.347.947.919.36.510.9
8129.910.93.60.00.03.610.9129.9

(c)

Radiat. waveg.Slot
1
Slot
2
Slot
3
Slot
4
Slot
5
Slot
6
Slot
7
Slot
8

116.0415.5815.8216.2416.2415.8215.5816.04
215.4415.9815.4917.297.2915.4915.9815.44
316.2314.8216.1716.2716.2716.1714.8216.23
415.9213.4716.8516.1616.1616.8513.4715.92
515.8913.1716.3316.3416.3416.3313.1715.89
615.7415.2416.7116.1616.1616.7115.2415.74
716.2815.6015.637.3117.3115.6315.6016.28
816.5515.9715.7016.2716.2715.7015.9716.55

(d)

Radiat. waveg.Slot
1
Slot
2
Slot
3
Slot
4
Slot
5
Slot
6
Slot
7
Slot
8

1−0.19−0.20 0.27 −0.12 0.12 −0.27 0.20 0.19
2−0.15 0.26 −0.33−0.21 0.21 0.33 −0.26 0.15
3 0.08 −0.60−0.13 0.58 −0.58 0.13 0.60 −0.08
4−0.29 0.86 0.67 −1.05 1.05 −0.67−0.86 0.29
5 0.24 −1.18−0.64 1.11 −1.11 0.64 1.18 −0.24
6−0.20 0.49 0.32 −0.48 0.48 −0.32−0.49 0.20
7 0.06 −0.25 0.39 0.25 −0.25−0.39 0.25 −0.06
8 0.30 0.21 −0.25 0.12 −0.12 0.25 −0.21−0.30