Simulation tests were accomplished in this paper to evaluate the performance of gravity
matching aided navigation (GMAN). Four essential factors were focused in this study to …

扰动重力梯度是扰动重力位的二阶导数, 相对于其他重力场元素能更多地反映变化的不规则地球
产生的高频信息. 在使用高阶次球谐系数模型获取大范围高分辨率的扰动重力梯度数据时 …

A Relative Positions-Constrained pattern Matching (RPCM) method for underwater gravity-
aided inertial navigation is presented in this paper. In this method the gravity patterns are …

In this paper, we present a new method for terrain and gravity aided navigation. Gravity
aided navigation and terrain aided navigation are map aided navigation methods for …

In this paper, a self-adaptive unscented Kalman filtering for underwater gravity aided
navigation is constructed. It is more accurate and far easier to implement than an extended …

Selection of gravity gradient matching area is one of the key techniques for underwater
gravity gradient-aided navigation. The existing matching area selection methods ignore the …

Underwater abnormal object detection is a current need for the navigation security of
autonomous underwater vehicles (AUVs). In this paper, an automated gravity gradient …

惯性导航系统定位误差随时间积累发散, 利用重力场辅助惯性导航已成为组合导航领域的新方向
, 该技术对实现潜艇无源定位意义重大. 首先利用二维高斯基函数对局部离散格网重力异常基准 …

The gravity field aided inertial navigation has been applied to correct the drifting errors in the
inertial navigation which are accumulated with time and it has become a new research …

Matching algorithm is the key technology of gravity-gradient-aided inertial navigation system
(INS). Traditional single-point and sequence matching algorithms fail to make full use of the …