ALGORITHM REALIZATION AND SIMULATION ANALYSIS OF GRAVITY ANOMALY AIDED NAVIGATION
Cai Xiaobo 1,2) ;Xu Daxin 1) ; and Dai Quanfa 1,2)
1)Institute of Geodesy and Geophysics, CAS, Wuhan 4300772)Graduate School,CAS, Beijing 100049
Abstract In order to meet the requirement of passivity of the underwater navigation, the gravity anomaly aided inertial navigation system has been used to implement the autonomous underwater navigation. The algorithm has been simulated by use of a simulation tool Simulink. The results indicate that the gravity anomaly aided navigation can be used to get fairly high precision in the areas with relatively large gravity anomaly variation, and therefore reducing the error of the inertial navigation system.
Key words ：
gravity anomaly
inertial navigation
Kalman filter
SITAN(Sandia Inertial Terrain Aided Navigation)
simulation
Received: 01 January 1900
Corresponding Authors:
Cai Xiaobo
Cite this article:
Cai Xiaobo,Xu Daxin ,and Dai Quanfa. ALGORITHM REALIZATION AND SIMULATION ANALYSIS OF GRAVITY ANOMALY AIDED NAVIGATION[J]. , 2007, 27(3): 60-63.
Cai Xiaobo,Xu Daxin ,and Dai Quanfa. ALGORITHM REALIZATION AND SIMULATION ANALYSIS OF GRAVITY ANOMALY AIDED NAVIGATION[J]. jgg, 2007, 27(3): 60-63.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2007/V27/I3/60
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