Design and Validation of an Antipodal Vivaldi Antenna with Additional Slots

Table 2

Side lobes direction, front-to-back ratio and cross-polarisation.

f	Side Lobe				Front/Back		Cross Polarisation
	E		H		E	H
GHz	Amp dB	Phase ^∘	Amp dB	Phase ^∘	dB	dB	dB
4	-0.28	167.98	-5.58	11.67	10.1	10.3	-05.3
5	-0.15	41.14	-9.44	47.02	12.0	12.1	-09.3
6	-0.23	-61.21	-15.72	53.26	10.7	12.2	-15.5
7	-0.25	176.12	-9.42	66.72	17.5	15.5	-09.2
8	-1.73	78.90	-7.48	166.77	19.3	11.2	-05.7
9	-4.08	-39.91	-16.38	-179.40	13.3	13.3	-12.3
10	-2.89	-122.88	-15.20	-134.02	14.2	7.2	-12.3
11	-2.92	132.30	-14.48	-170.99	16.0	14.5	-11.6
12	-4.17	24.41	-8.20	-149.83	24.1	19.2	-04.0