Experimental Study on Echo Characteristics of Multistatic Large-Scale Underwater Complex Target

Table 6

Ribbed plate energy ratio at 180°.

Ribbed plate	1	2	3	4	5	6	7	8	9	Total energy ratio
Energy ratio	5.9	3.6	6.2	7.4	12.5	14.4	6.1	1.1	2.0
ribbed plate	10	11	12	13	14	15	16	17	18
Energy ratio	1.1	2.0	3.6	1.4	0.7	1.1	0.9	2.7	1.5	74.5