Optimal Isobath Routing Strategy based on Multibeam Bathymetry Technology

With the rapid development of channel survey technology, multibeam bathymetric system plays an increasingly important role in channel survey. Firstly, we establish a physical model, use the tangent formula to find out the depth of seawater D, after the analysis of the plane model and use the sine theorem to find out the coverage width W, and then use the spacing of the two adjacent survey lines and the coverage width, and with the help of the expression of the relationship between the overlap rate with the previous survey line is solved η. The overlap with the previous line is then solved with the help of an expression relation. Finally, SketchUp was used to convert the given information into a three-dimensional model for analysis, and the expression for the relationship between angles and edges in a three-dimensional structure was obtained. We found that the optimal wiring strategy is "horizontal wiring along the isobaths", and the optimal number of survey lines for the vessel on these three slopes is 67 in total, with the missed area accounting for 1.325% of the total area of the region.