Theoretical and Experimental Study on Echo Fluctuation Suppression of a Cirrus Cloud by Millimeter Wave MIMO Radar

Table 3

The difference between the maximum and minimum RCS fluctuation by means of MIMO (units: dB).

Number	Horizontally orientated hexagonal columns	Horizontally orientated ellipsoids	Horizontally orientated spheres
T1 + R1	23.48	19.21	1.29
T1 + R2	2.88	4.37	1.139
T1 + R3	3.09	3.44	2.029
T1 + R4	20.22	24.26	1.27
T2 + R1	1.91	3.56	0.95
T2 + R2	2.05	4.34	0.31
T2 + R3	11.81	9.51	11.59
T2 + R4	16.74	31.29	20.82
T3 + R1	21.47	18.59	21.99
T3 + R2	14.80	10.27	8.54
T3 + R3	2.26	4.15	0.36
T3 + R4	2.51	2.99	1.19
T4 + R1	24.55	32.32	28.92
T4 + R2	2.20	3.50	0.67
T4 + R3	2.05	4.38	0.82
T4 + R4	14.21	12.29	8.06

T stands for transmitting antenna, R stands for receiving antenna, and + stands for combination.