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
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 ...
Tim Enzlberger Jensen, Rene Forsberg
doaj +7 more sources
A New Tool for Airborne Gravimetry Survey Simulation [PDF]
Geosciences, 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
doaj +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
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 +4 more sources
Downward continuation of airborne gravimetry data based on Poisson integral iteration method
Geodesy and Geodynamics, 2017 The research and application of airborne gravimetry technology has become one of the hottest topics in gravity field in recent years. Downward continuation is one of the key steps in airborne gravimetry data processing, and the quality of continuation ...
Xiaogang Liu +3 more
doaj +4 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 +5 more
doaj +3 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.
Tim E. Jensen +4 more
doaj +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
IMU and GNSS Postprocessing for High-Resolution Strapdown Airborne Gravimetry
Engineering Proceedings, 2023 Strapdown airborne gravimeters based on a navigation-grade inertial measurement unit (IMU) are highly sensitive to perturbations during aircraft flight, especially in the case of flights in draped mode (at a constant altitude above the terrain) or drone ...
Vadim Vyazmin, Andrey Golovan
doaj +2 more sources