沿岸建筑物对VTS雷达的遮蔽建模与仿真

为研究沿岸建筑物对VTS (vessel traffic service)雷达的遮蔽影响程度,提出雷达遮蔽盲区的数学表达模型,基于表达模型和几何关系计算得出遮蔽盲区的范围和高度;提出一种三维建模和仿真方法来研究雷达遮蔽区域。以太子湾邮轮母港建筑对蛇口雷达的影响为例,将遮蔽盲区的计算结果、仿真结果和实船试验进行对比,验证了仿真方法的正确性和工程实用性。本文的研究可用于评估建筑物对现有VTS雷达站的影响,还可为海事部门的补充监管措施以及拟建VTS雷达站选址提供重要参考。

Shielding Modeling and Simulation of Coastal Building to VTS Radar

In order to study the shielding influence of coastal building on the VTS radar, a mathematical expression model of shielding area is proposed. The expression model are divided into finite continuous 3D shielding area, infinite continuous 3D shielding area, finite discontinuous 3D shielding area and infinite discontinuous 3D shielding area. The range and height of the shielding area are calculated, according to the expression model and spatial geometric relation. In addition, 3ds MAX is used in the modeling and simulation of shielding area. Taking the influence of Prince's Bay Cruise Terminal Building on the radar Shekou radar as an example, the correctness and engineering practicability of the simulation method are verified by comparing the calculation results, simulation results and real ship test results of shielding area. The research can be used not only to assess the influence of buildings on existing VTS radar stations, but also can provide an important reference for supplementary regulatory measures of the maritime department and site selection of VTS radar stations.