A Model of Gravity Vector Measurement Noise for Estimating Accelerometer Bias in Gravity Disturbance Compensation [PDF]
Compensation of gravity disturbance can improve the precision of inertial navigation, but the effect of compensation will decrease due to the accelerometer bias, and estimation of the accelerometer bias is a crucial issue in gravity disturbance ...
Junbo Tie +5 more
doaj +6 more sources
Analysis of Gravity Disturbance Compensation for Initial Alignment of INS [PDF]
To address the accuracy requirements of initial alignment of high-precision inertial navigation systems (INSs), gravity disturbance compensation for INSs based on a spherical harmonic model is investigated herein.
Shiwen Hao +4 more
doaj +4 more sources
An Algorithm for Strapdown Airborne Gravity Disturbance Vector Measurement Based on High-Precision Navigation and EGM2008 [PDF]
Attitude errors, accelerometer bias, the gravity disturbance vector, and their coupling are the primary factors obstructing strapdown airborne vector gravimetry.
Ke Fang, Tijing Cai
doaj +4 more sources
Research on the Gravity Disturbance Compensation Terminal for High-Precision Position and Orientation System [PDF]
The Position and Orientation System (POS) is the core device of high-resolution aerial remote sensing systems, which can obtain the real-time object position and collect target attitude information.
Zhuangsheng Zhu +3 more
doaj +2 more sources
Gravity data reduction, Bouguer anomaly, and gravity disturbance
Each point on the earth has a gravity and gravity potential value. Surfaces formed by connecting points with equal gravity potential values are called equipotential surfaces or level surfaces.
Yi. Nazan
doaj +2 more sources
Gravity disturbance compensation for dual-axis rotary modulation inertial navigation system
Gravity disturbance compensation is an important technique for improving the positioning accuracy of high-precision inertial navigation systems (INS).
Panpan Zhang +7 more
doaj +3 more sources
Large fault belts often influence the paleo-geomorphic changes in basins and control hydrocarbon accumulation and distribution in basins. Based on the gravity field model European Improved Gravity model of the Earth via New techniques (EIGEN)-6C4, this ...
Yunlong Wu +4 more
doaj +3 more sources
Gravity perception disturbance in patients with unilateral Meniere disease
Objective To investigate gravity perception disturbance (GPD) in patients with Meniere disease (MD), we classified GPD type based on the results of the head‐tilt perception gain (HTPG) and the head‐upright subjective visual vertical (HU‐SVV) evaluated by
Yoshiro Wada +3 more
doaj +3 more sources
An Accurate Gravity Disturbance Compensation Method Based on Spherical Harmonic Model and Multi-Sensor Fusion [PDF]
With the improvement of the accuracy requirements of high-precision long endurance inertial navigation system, the gravity disturbance has become the main error source of inertial navigation system.Is the key factor to improve the navigation accuracy ...
Liu Yuxin, Wang Xinlong, Wang Xun, Gao Wenning, Hu Xiaodong
doaj +1 more source
Horizontal gravity disturbance vector in atmospheric dynamics
Peter Chu
exaly +2 more sources

