捷联惯性导航领域的姿态更新算法仿真，包括二子样、三子样和四子样的对比。-In the field of strapdown inertial navigation attitude updating algorithm simulation, including two sample, the third and the fourth kind of contrast.

里面详细介绍了卡尔曼滤波算法及捷联惯导系统，并结合两者设计算法(The Calman filtering algorithm and strapdown inertial navigation system are introduced in detail, and the two design algorithms are combined.)