读取印度洋热带气旋的相关信息，包括生成位置，生成数目，生成后轨迹等。-Read Indian Ocean tropical cyclone-related information, including generating position, generation number, after generating trajectory.

Kalman算法示例，java实现通过Klman对GPS点进行过滤，实现平滑-Kalman algorithm example, trajectory filtering by Kalman filtering useing java