This article introduces the composition of a multi-beam sounding system in detail,explains the mea-surement working principle of the multi-beam sounding system,summarizes the main characteristics of measure-ment data such as significant large data volume,high density and discreteness,and introduces the data processing process in detail.Using the regular net method and the Delaunay triangular network method,this paper establishes a three-dimensional model of the seabed,and concludes that the Delaunay triangular network is faster to establish a model and more accurate to display details.Finally,by comparing the errors in the coordinates of different modeling algorithms,it can be seen that the Delaunay triangular network has higher modeling accuracy.
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