International Journal of Antennas and Propagation / 2013 / Article / Tab 2 / Research Article
Design of Shaped Beam Planar Arrays of Waveguide Longitudinal Slots Table 2 (a) Required normalized amplitude of slots excitations for the 10 × 10 planar array with an arrow-shaped radiation pattern. (b) Required phase (degrees) of slots excitations for the 10 × 10 planar array with an arrow-shaped radiation pattern. (c) Designed slots lengths (mm) for the 10 × 10 planar array with an arrow-shaped radiation pattern. (d) Designed slots offsets (mm) for the 10 × 10 planar array with an arrow-shaped radiation pattern.
(a) Radiat. waveg. Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7 Slot 8 Slot 9 Slot 10 1 0.229 0.224 0.206 0.143 0.100 0.100 0.110 0.211 0.238 0.206 2 0.299 0.289 0.237 0.100 0.100 0.100 0.190 0.301 0.336 0.306 3 0.249 0.235 0.102 0.100 0.198 0.323 0.438 0.467 0.390 0.306 4 0.122 0.100 0.240 0.428 0.592 0.696 0.723 0.634 0.460 0.282 5 0.237 0.285 0.525 0.764 0.926 1.000 0.969 0.791 0.549 0.310 6 0.237 0.285 0.525 0.764 0.925 0.999 0.968 0.790 0.549 0.310 7 0.120 0.100 0.241 0.429 0.591 0.695 0.721 0.633 0.459 0.281 8 0.249 0.233 0.102 0.100 0.202 0.326 0.439 0.468 0.390 0.307 9 0.299 0.287 0.234 0.100 0.100 0.100 0.190 0.301 0.336 0.305 10 0.228 0.223 0.207 0.144 0.100 0.100 0.112 0.212 0.239 0.206
(b) Radiat. waveg. Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7 Slot 8 Slot 9 Slot 10 1
18.5
0.00
−13.8 −29.9
41.7
50.6
50.6
50.6
50.6
37.6
2 −25.9 −24.6 −28.0 −32.0
50.5
50.6
50.6
50.6
50.6
50.6
3 −35.9 −42.1 −9.2
166.2
−179
143.4
130.6
130.6
130.6
130.6
4
38.6
175.7
−171.9 −178.7
173.6
164.2
155.3
149.0
145.2
148.3
5
130.6
146.9
171.5
177.6
176.6
171.8
167.1
165.9
167.9
−177 6
130.6
147.3
171.7
177.7
176.6
171.8
167.1
165.8
167.8
−177 7
38.5
176.5
−171.8 −178.5
173.6
164.3
155.4
149.0
145.2
148.2
8 −35.4 −41.7 −8.9
166.0
−179
144.0
130.6
130.6
130.6
130.6
9 −25.6 −24.3 −27.7 −31.8
50.5
50.6
50.6
50.6
50.6
50.6
10
18.3
−0.21 −14.1 −30.0
41.5
50.6
50.6
50.6
50.6
38.6
(c) Radiat. waveg. Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7 Slot 8 Slot 9 Slot 10 1
16.07
15.81
16.28
16.94
15.50
14.93
16.04
15.63
15.04
15.78
2
16.47
16.09
16.24
17.86
15.17
15.37
15.75
15.81
15.44
14.94
3
16.66
16.23
16.26
16.16
15.75
16.65
16.61
16.44
16.75
16.81
4
14.96
15.95
16.12
16.10
16.18
16.23
16.38
16.41
16.27
16.77
5
16.98
16.52
16.15
16.25
16.14
16.23
16.31
16.23
16.30
15.98
6
17.04
16.38
16.29
16.13
16.24
16.20
16.26
16.35
16.13
16.20
7
15.17
16.32
15.91
16.26
16.07
16.27
16.42
16.27
16.48
16.51
8
16.42
16.44
15.84
15.74
15.94
16.55
16.58
16.60
16.49
17.13
9
16.68
15.95
16.41
17.35
15.60
15.11
15.86
15.82
15.27
15.42
10
15.82
15.99
16.17
17.08
15.24
15.20
15.92
15.55
15.24
15.41
(d) Radiat. waveg. Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7 Slot 8 Slot 9 Slot 10 1
0.19
−0.13
0.21
−0.15
0.10
−0.21
0.11
−0.22
0.40
−0.28 2 −0.32
0.13
−0.14
0.15
−0.19
0.11
−0.21
0.28
−0.42
0.69
3
0.29
−0.14
0.03
0.08
−0.07
0.31
−0.42
0.29
−0.41
0.39
4 −0.34 −0.15
0.16
−0.27
0.38
−0.48
0.55
−0.44
0.27
−0.30 5 −0.34
0.22
−0.36
0.45
−0.66
0.72
−0.69
0.58
−0.38
0.30
6
0.32
−0.23
0.34
−0.49
0.60
−0.74
0.69
−0.56
0.43
−0.23 7
0.29
0.13
−0.18
0.26
−0.39
0.45
−0.60
0.40
−0.31
0.30
8 −0.28
0.19
−0.01 −0.04
0.08
−0.31
0.38
−0.39
0.29
−0.45 9
0.33
−0.10
0.18
−0.10
0.15
−0.15
0.16
−0.30
0.48
−0.52 10 −0.23
0.12
−0.20
0.18
−0.12
0.17
−0.12
0.25
−0.36
0.32