Experimental analysis of the performance of a new shipboard gravity gradient measurement system
The gravity gradient tensor, which has a higher resolution than gravity, is used in a variety of fields, including the discovery of energy resources, auxiliary navigation, and national defense building.
Rui Li +7 more
doaj +1 more source
Chinese Gravimetry Augment and Mass Change Exploring Mission Status and Future [PDF]
The satellite gravimetry technology effectively recovers the global Earth’s gravity field. Since 2000s, HL-SST satellite CHAMP, LL-SST satellite GRACE, Gravity Gradient Measurement (GGM) satellite GOCE have been launched successfully, producing some ...
Yun XIAO, Yuanxi YANG, Zongpeng PAN, Yunlong WU, Zehua GUO
doaj +1 more source
CALIBRATION METHOD FOR GRAVITY GRADIOMETERS BY MEANS OF TWO ROTATING CYLINDERS
The problem of maintaining a constant gravitational gradient in a relatively large volume of space is considered. This provides a well defined input signal to a gravity gradiometer for the purpose of its calibration.
I. Z. Gilavdary, A. Veryaskin
doaj +1 more source
Proof-of-principle demonstration of vertical gravity gradient measurement using a single proof mass double-loop atom interferometer [PDF]
We demonstrate a proof-of-principle of direct Earth gravity gradient measurement with an atom interferometer-based gravity gradiomter using a single proof mass of cold 87 rubidium atoms.
Bidel, Yannick +5 more
core +2 more sources
Drag-free and attitude control for the GOCE satellite [PDF]
The paper concerns Drag-Free and Attitude Control of the European satellite Gravity field and steady-state Ocean Circulation Explorer (GOCE) during the science phase.
Aguirre-Martinez +13 more
core +1 more source
STAGES OF DEVELOPMENT AND STATE OF ENGINEERING OF GRAVITY GRADIOMETERS FOR MOVING OBJECTS. (Review)
The main steps of creating the gravity gradiometers for the measurement of inhomogineasly of gravitational fields on different mobile carriers, including in conditions of space, are considered on the basis of the analysis of the open literature. The role
I. Z. Gilavdary, N. N. Riznookaya
doaj +1 more source
Atom interferometry gravity-gradiometer for the determination of the Newtonian gravitational constant G [PDF]
We developed a gravity-gradiometer based on atom interferometry for the determination of the Newtonian gravitational constant \textit{G}. The apparatus, combining a Rb fountain, Raman interferometry and a juggling scheme for fast launch of two atomic ...
Bertoldi, A. +9 more
core +2 more sources
Laboratory dynamic accuracy evaluation method and system verification for gravity gradiometer
To meet the demand for reliably evaluating the measurement accuracy of the gravity gradiometer under dynamic conditions, a method for dynamically assessing the accuracy of the gravity gradiometer in a laboratory setting was proposed.
Da Li +5 more
doaj +1 more source
Atom-interferometry gravity gradiometry has been developed as a promising technique for future gravity gradiometric missions after GOCE due to its greater sensitivity in micro-gravity environments and constant performance over the measurement bandwidth ...
Zhu Zhu +4 more
doaj +1 more source
The paper presents pre-processing and nonlinear filtering of the GOCE gravity gradients (GGs) in spatial domain. At first, a multiple fully automatic 1D along-track pre-processing of the GOCE GGs in the gradiometer reference frame (GRF) is introduced ...
Róbert ČUNDERLÍK +2 more
doaj +1 more source

