Helicopter Test of a Strapdown Airborne Gravimetry System [PDF]
Sensors, 2018 Airborne gravimetry from a helicopter has been a feasible tool since the 1990s, with gravimeters mounted on a gyro-stabilised platform. In contrast to fixed-wing aircrafts, the helicopter allows for a higher spatial resolution, since it can move slower ...
René Forsberg, Tim Jensen
exaly +10 more sources
Experimental Investigations on Airborne Gravimetry Based on Compressed Sensing [PDF]
Sensors, 2014 Gravity surveys are an important research topic in geophysics and geodynamics. This paper investigates a method for high accuracy large scale gravity anomaly data reconstruction.
Yapeng Yang +5 more
doaj +6 more sources
A New Tool for Airborne Gravimetry Survey Simulation [PDF]
Geosciences (Switzerland), 2018 Airborne gravimetry represents nowadays probably the most efficient technique to collect gravity observations close to the Earth’s surface. In the 1990s, thanks to the development of the Global Navigation Satellite Systems (GNSS), which has made ...
Daniele Sampietro +2 more
exaly +5 more sources
Improving the Strapdown Airborne Vector Gravimetry by a Backward Inertial Navigation Algorithm [PDF]
Sensors, 2018 Strapdown airborne gravimetry is an efficient way to obtain gravity field data. A new method has been developed to improve the accuracy of airborne vector gravimetry.
Minghao Wang +5 more
doaj +3 more sources
Strapdown Airborne Gravimetry Quality Assessment Method Based on Single Survey Line Data: A Study by SGA-WZ02 Gravimeter [PDF]
Sensors, 2018 Quality assessment is an important part in the strapdown airborne gravimetry. Root mean square error (RMSE) evaluation method is a classical way to evaluate the gravimetry quality, but classical evaluation methods are preconditioned by extra flight or ...
Minghao Wang, Shaokun Cai, Ruihang Yu
exaly +4 more sources
Using a SPATIAL INS/GNSS MEMS Unit to Detect Local Gravity Variations in Static and Mobile Experiments: First Results [PDF]
Sensors, 2023 In this study, we present the feasibility of using gravity measurements made with a small inertial navigation system (INS) during in situ experiments, and also mounted on an unmanned aerial vehicle (UAV), to recover local gravity field variations.
Benjamin Beirens +5 more
doaj +2 more sources
Evaluation and Comparison of the Processing Methods of Airborne Gravimetry Concerning the Errors Effects on Downward Continuation Results: Case Studies in Louisiana (USA) and the Tibetan Plateau (China) [PDF]
Sensors, 2017 Gravity data gaps in mountainous areas are nowadays often filled in with the data from airborne gravity surveys. Because of the errors caused by the airborne gravimeter sensors, and because of rough flight conditions, such errors cannot be completely ...
Qilong Zhao +4 more
doaj +2 more sources
New Results from Strapdown Airborne Gravimetry Using Temperature Stabilisation
Remote Sensing, 2019 In recent years, the use of a strapdown Inertial Measurement Unit (IMU) for airborne gravimetry has proven itself to be an accurate and resilient measurement system, improving the operational flexibility.
René Forsberg, Tim Jensen
exaly +3 more sources
Two-dimensional Kalman filter approach to airborne vector gravimetry
Journal of Geodetic Science, 2019 The paper presents a new approach to the airborne vector gravimetry problem. The idea of the approach is to take into account spatial correlation of the gravity field to improve observability of horizontal components of the gravity disturbance vector ...
Vyazmin V.S., Bolotin Yu.V.
exaly +2 more sources
Exploring the gravito-optic effect for gravity sensing applications [PDF]
Scientific ReportsAccurate measurements of Earth gravity and its variations with time are crucial not only for fundamental research on gravitation in physics, but also for other scientific areas including Earth sciences, geophysics and various applications such as geodesy,
Enbang Li
doaj +2 more sources