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发明公开
CN102101487A 列车追踪状态的获取方法和系统 有权

列车追踪状态的获取方法和系统
摘要：
本发明提供了一种列车追踪状态的获取方法和系统，该方法包括：接收全球定位系统GPS实时定位包；对所述GPS实时定位包进行解码以得到经纬度信息、GPS里程信息、GPS时间信息和列车速度信息；判断所述经纬度信息是否和数据库中标定的所述测量点的经纬度相同，如果相同，则将所述GPS里程信息、所述GPS时间信息和所述列车速度信息记录在所述测量点的数据库文件中；根据所述数据库文件中的所述GPS里程信息、所述GPS时间信息和所述列车速度信息计算出所述测试列车间的追踪状态。本发明实施例有着准确率高、投入人力少、检测点多的优点。
摘要（英）：

The invention provides a method and system for acquiring the tracking status of a train. The method comprises the following steps of: receiving a real-time positioning pocket of a GPS (Global Positioning System); decoding the real-time positioning pocket of the GPS to acquire latitude and longitude information, GPS mileage information, GPS time information and train speed information; judging whether the latitude and longitude information is identical to the measuring point latitude and longitude calibrated in a database and recording the GPS mileage information, the GPS time information and the train speed information in the database file of the measuring point if the latitude and longitude information is identical to the measuring point latitude and longitude; and calculating the tracking status between trains according to the GPS mileage information, the GPS time information and the train speed information in the database file. The embodiment of invention has the advantages of highaccuracy, labor saving and multiple detection points.

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