A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...
Abstract: Compared with side-scan sonar (SSS) and forward-looking sonar (FLS), synthetic aperture sonar (SAS) devices can generate high-resolution underwater images, which is important for marine ...
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