modeling and simulation of a navigation system with an IMU and a magnetometer modeling and simulation of navigation system with an IMU and a magnetometer 磁力计辅助的惯性导航系统：基于IUM和磁力计的导航系统建模和仿真：modeling and simulation of a navigation system with an IMU and a magnetometer 磁力计辅助的惯性导航系统：基于IMU和磁力计的导航系统建模和仿真：modeling and simulation of navigation system with an IMU and a magnetometer Magnetometer aided inertial navigation system : modeling and simulation of a navigation system with an IMU and a magnetometer Modeling and simulation of control system based on MATLAB/Simulink