东海航海保障中心AIS报文信息（解析版）（宁波舟山水域）

东海航海保障中心AIS报文信息（解析版）（宁波舟山水域），包含DM表数据同步时间,唯一自增序列号,I 插入 U 更新 D 删除,CDS源表数据同步时间,是否更新前数据：Y 是 N 否,是否更新后数据：Y 是 N 否,MMSI,重复次数指示,航行状态,转向率(ROT),地面航速(SOG),位置精度,经度,纬度,对地航向(COG),实际航向(HDG),时间戳,机动指标,备用字段,RAIM（接收机自主完整性监测）标志,通信状态,AIS版本,IMO编号,呼号,船名,船舶类型,船首尺寸,船尾尺寸,左舷尺寸,右舷尺寸,定位类型,预计到达月份(UTC),预计到达日期(UTC),预计到达时间(UTC),到达分钟(UTC),吃水,目的地,数据终端就绪,备用1,备用2,B类装置标志,B类显示器标志,B类DSC标志,B类带宽标志,B类消息22标志,模式标志,部分编号,供应商ID,母舰MMSI,单元型号代码,序列号,创建时间,更新时间等信息

AIS Message Information (Parsed Version) from Donghai Navigation Safety Administration (Ningbo-Zhoushan Waters). The dataset includes the following fields: data synchronization time of DM table, unique auto-increment serial number, operation type (I for Insert, U for Update, D for Delete), data synchronization time of CDS source table, flag for pre-update data (Y for Yes, N for No), flag for post-update data (Y for Yes, N for No), MMSI, repeat indicator, navigation status, rate of turn (ROT), speed over ground (SOG), position accuracy, longitude, latitude, course over ground (COG), true heading (HDG), timestamp, maneuver indicator, reserved field, RAIM (Receiver Autonomous Integrity Monitoring) flag, communication status, AIS version, IMO number, call sign, vessel name, vessel type, bow dimension, stern dimension, port side dimension, starboard side dimension, position fix type, estimated arrival month (UTC), estimated arrival date (UTC), estimated arrival time (UTC), estimated arrival minute (UTC), draught, destination, data terminal ready, reserved 1, reserved 2, Class B device flag, Class B display flag, Class B DSC flag, Class B bandwidth flag, Class B Message 22 flag, mode flag, part number, vendor ID, mother vessel MMSI, unit model code, serial number, creation time, update time, and other related information.

搜集汇总

背景与挑战

背景概述

该数据集为东海航海保障中心提供的宁波舟山水域AIS报文信息（解析版），包含366,522条记录，涵盖船舶MMSI、航行状态、位置信息等关键航海数据，属于受限开放数据，需满足特定条件申请使用。