Marine traffic

The automatic identification system (AIS) is an automatic tracking system that uses transceivers on ships. Information provided by AIS equipment, such as unique identification, position, course, and speed, can be displayed on a screen or an electronic chart display and information system (ECDIS). AIS is intended to assist a vessel's watchstanding officers and allow maritime authorities to track and monitor vessel movements.自动识别系统（AIS）是一种利用船舶上的收发设备进行自动跟踪的系统。由AIS设备提供的信息，例如唯一的识别码、位置、航向和速度，可在显示屏或电子海图显示与信息系统（ECDIS）上进行展示。AIS旨在辅助船舶的值班官员，并允许海事当局跟踪和监控船舶的动态。