The invention discloses a marine traffic flow basic diagram drawing method based on AIS data. The method comprises the following steps of: selecting a research channel and establishing a channel coordinate system; acquiring and cleaning AIS data; converting longitude and latitude coordinates of ships; determining the average ship length and the average ship width of the ships in the channel, and calculating horizontal coordinate values of the ships entering the channel; performing channel subdivision; drawing a space-time trajectory diagram of the ships in the channel; calculating maritime traffic flow characteristic parameters; determining key characteristic parameters of marine traffic flow; and drawing a maritime traffic flow basic diagram. According to the method, construction of the maritime traffic flow basic diagram based on the large amount of AIS data is achieved, a new way is provided for port and navigation departments or related researchers to analyze and manage maritime traffic, and specific practical application of the method is carried out in maritime traffic flow research.
本发明公开了一种基于AIS数据得海上交通流基本图的绘制方法,包含如下步骤:选定研究航道并建立航道坐标系;AIS数据获取与清洗;船舶经纬度坐标转换;确定航道中船舶的平均船长和船宽,并统计船舶进入航道时的横坐标值;航道细分;绘制船舶在航道的时空轨迹图;计算海上交通流特征参数;确定海上交通流的关键特征参数;绘制海上交通流基本图。本发明实现了基于大量AIS数据的海上交通流基本图构建,为港航部门或相关研究人员分析和管理海上交通提供一种新途径,并在海上交通流研究中进行了具体的实践应用。
Marine traffic flow basic diagram drawing method based on AIS data
一种基于AIS数据的海上交通流基本图绘制方法
15.06.2021
Patent
Elektronische Ressource
Chinesisch
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