title: Analysis of the arriving-angle structure of the forward scattered wave on a vertical array in shallow water.
abstract: The arriving-angle structure for the forward scattered wave on a vertical line array is obtained upon a modified scattering model in the Pekeris waveguide. The structure is investigated and interpreted by the array invariant theory combined with target induced modal coupling effect. Compared with that of the direct blast, the arriving-angle structure of the forward scattering wave owns multi-striations as well as an increased vertical array invariant. The forward scattered angle structure is dependent on the target position on the source-receiver line. Simulations indicate a potential separation for the forward scattered wave overwhelmed by the direct blast.
authors.affiliation: Key Laboratory of Ocean Acoustics and Sensing (Northwestern Polytechnical University), Ministry of Industry and Information Technology, Xi'an, 710072, China hcl060108@gmail.com, ykdzym@nwpu.edu.cn, ylma@nwpu.edu.cn, lei.bo.thunder@gmail.com.
authors.forename: Chuanlin
authors.initials: C
authors.lastname: He
authors.affiliation: Key Laboratory of Ocean Acoustics and Sensing (Northwestern Polytechnical University), Ministry of Industry and Information Technology, Xi'an, 710072, China hcl060108@gmail.com, ykdzym@nwpu.edu.cn, ylma@nwpu.edu.cn, lei.bo.thunder@gmail.com.
authors.forename: Kunde
authors.initials: K
authors.lastname: Yang
authors.affiliation: Key Laboratory of Ocean Acoustics and Sensing (Northwestern Polytechnical University), Ministry of Industry and Information Technology, Xi'an, 710072, China hcl060108@gmail.com, ykdzym@nwpu.edu.cn, ylma@nwpu.edu.cn, lei.bo.thunder@gmail.com.
authors.forename: Yuanliang
authors.initials: Y
authors.lastname: Ma
authors.affiliation: Key Laboratory of Ocean Acoustics and Sensing (Northwestern Polytechnical University), Ministry of Industry and Information Technology, Xi'an, 710072, China hcl060108@gmail.com, ykdzym@nwpu.edu.cn, ylma@nwpu.edu.cn, lei.bo.thunder@gmail.com.
authors.forename: Bo
authors.initials: B
authors.lastname: Lei