Seabed Identification and Characterization Using Sonar

Table 1

Integration limits 𝜃₁ and 𝜃₂ for two cases.

Scattering plane	𝜃1	𝜃2
Circular plane; (𝑅≤𝑟<𝑅+𝑐𝜏/2)	0	cos^−1=𝑅𝑟
Circular ring; (𝑟≥𝑅+𝑐𝜏/2)	cos^−1=𝑅𝑡−𝑐𝜏/2	cos^−1=𝑅𝑟