The invention provides a method and a system for judging ship arrival and departure and obtaining ship trajectories based on GPS information. The method comprises the following steps: step 1, obtaining GPS position information of the ship within preset time; step 2, determining a position point in the preset area of each port according to the GPS position information, and then determining the timepoint when the ship enters and exits from each port according to the position point in the preset area of each port and the time sequence of the position points; and step 3, calculating the walking track of the ship in the preset time according to the GPS position information of the ship in the preset time. According to the method, the arrival and departure time of the ship can be effectively judged, the walking trajectories of the ship can be obtained, and the maritime affair department can remotely know the basic information of the ship through the informatization system by providing the method for judging the ferry entering and leaving the port and knowing the shipping trajectories of the ferry so that the working efficiency is improved.
本发明提出了一种基于GPS信息判断船舶进出港和获取船舶轨迹的方法与系统,所述方法包括以下步骤:步骤1,获取预设时间内船舶的GPS位置信息;步骤2,根据所述GPS位置信息确定处于各港口预设区域内的位置点,然后根据处于港口预设区域内的位置点及位置点的时间先后顺序确定位于船舶进出各港口的时间点;步骤3,根据预设时间内船舶的GPS位置信息,计算预设时间内船舶的行走轨迹。本发明能够有效地判断船舶进出港时间,并获取船舶的行走轨迹,通过提供判断渡船进出港口与了解渡船航运轨迹的方法,能够让海事部门通过信息化系统远程了解渡船基本信息,提高工作效率。
Method and system for judging ship arrival and departure and acquiring ship trajectories based on GPS information
基于GPS信息判断船舶进出港和获取船舶轨迹的方法与系统
2020-05-29
Patent
Electronic Resource
Chinese
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