基于IMU的四元扩展卡尔曼滤波程序，主要用于姿态更新和数据融合-Quaternary-based IMU EKF program, mainly for the attitude update and data fusion

imu-mems的数据在matlab中的实现-imu-mems data in matlab to achieve the

松组合导航源码，GPS原理及应用书上的，新测可用。-Loosly integrated navigation for GPS and MEMS-IMU, attached matlab codes and flying test data.These source codes come the book GPS applications and methods , they were tested and are avaliable absolutely.