Results 1 to 10 of about 70,591 (246)
Compensation of Horizontal Gravity Disturbances for High Precision Inertial Navigation [PDF]
Sensors, 2018 Horizontal gravity disturbances are an important factor that affects the accuracy of inertial navigation systems in long-duration ship navigation. In this paper, from the perspective of the coordinate system and vector calculation, the effects of horizontal gravity disturbance on the initial alignment and navigation calculation are simultaneously ...
Junbo Tie +5 more
doaj +6 more sources
Gravity disturbance compensation for dual-axis rotary modulation inertial navigation system
Frontiers in Marine Science, 2023 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
Analysis of Gravity Disturbance Compensation for Initial Alignment of INS
IEEE Access, 2020 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 +3 more sources
Atmosphere, 2022 The Tonga volcano erupted on 15 January 2022, at 04:15:45 UTC, which significantly influenced the atmosphere and space environment, at the same time, an unprecedented opportunity to monitor ionospheric anomalies is provided by its powerful eruption.
Qiaoli Kong +7 more
doaj +1 more source
Formation of Australasian tektites from gravity and magnetic indicators
Scientific Reports, 2023 The parent impact crater of Australasian tektites has not been discovered so far, but a consensus has been accepted on its location in a wider area of Indochina.
Kurosh Karimi +4 more
doaj +1 more source
Machines, 2021 A polar crane is a large-scale special lifting equipment operated in a nuclear power plant. To address the precise locating control problem of a polar crane with the center of gravity shifting, with cross-coupling, and with external disturbance, an ...
Xuyang Cao, Zhiwei Wang, Xingang Zhang
doaj +1 more source
INTEGRATION OF INS AND GNSS FOR GRAVIMETRIC APPLICATION WITH UAS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 The integration based on Inertial Navigation System (INS) and Global Navigation Satellite System (GNSS) has been successfully developed in observing the gravity.
C. A. Lin, K. W. Chiang, C. Y. Kuo
doaj +1 more source
Analysis of Ionospheric Disturbance Response to the Heavy Rain Event
Remote Sensing, 2022 Meteorological activities in the troposphere would affect electron concentrations and distributions in the ionosphere, thereby exciting ionospheric disturbance.
Jian Kong +3 more
doaj +1 more source
Planetary landing: modelling and control of the propulsion descent [PDF]
, 2013 In the propulsive phase, after parachute release, of planetary landing like Mars or Moon, horizontal motion is obtained by tilting the axial thrust, so that it aligns either to the negative velocity vector (gravity turn) or to the requested acceleration ...
Canuto, Enrico +4 more
core +1 more source
Ecological Indicators, 2021 Large-scale mining activities have induced numerous non-negligible eco-geological environmental issues that seriously threaten regional ecological security.
Sucui Li +4 more
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