Algorithms for Integrated Processing of Marine Gravimeter Data and GNSS Measurements
Sign Up to like & getrecommendations! Published in 2020 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2020.12.268
Abstract: Abstract Efficiency of using global navigation satellite system (GNSS) measurements for determining gravity anomalies (GA) at sea by solving filtering and smoothing problems based on GNSS and gravimeter data is studied. The GA, ship heaving,… read more here.
Keywords: processing marine; gravimeter data; gravimeter; gnss measurements ... See more keywords
Experimental Study on Underwater Moving Gravity Measurement by Using Strapdown Gravimeter Based on AUV Platform
Sign Up to like & getrecommendations! Published in 2020 at "Marine Geodesy"
DOI: 10.1080/01490419.2020.1861138
Abstract: Abstract Autonomous underwater vehicle (AUV) can be controlled autonomously and cable-less, which can reduce the cost and has good applicability for underwater gravity measurement. Based on airborne gravity measurement, the basic principle of underwater moving… read more here.
Keywords: gravity measurement; underwater moving; moving gravity; gravimeter ... See more keywords
Sr atom interferometry with the optical clock transition as a gravimeter and a gravity gradiometer
Sign Up to like & getrecommendations! Published in 2019 at "Classical and Quantum Gravity"
DOI: 10.1088/1361-6382/ab4d18
Abstract: We characterize the performance of a gravimeter and a gravity gradiometer based on the $^{1}$S$_{0}$-$^3$P$_0$ clock transition of strontium atoms. We use this new quantum sensor to measure the gravitational acceleration with a relative sensitivity… read more here.
Keywords: gravimeter; clock transition; gravity; gravity gradiometer ... See more keywords
Development and characterization of 87Rb atomic ensemble for absolute quantum gravimeter
Sign Up to like & getrecommendations! Published in 2025 at "Physica Scripta"
DOI: 10.1088/1402-4896/ae1c78
Abstract: The precision measurement of acceleration due to gravity (g) for potential scientific and industrial applications requires the use of absolute quantum gravimeters (AQGs) as quantum sensors. In this study, the development of magneto-optical trap (MOT)… read more here.
Keywords: navigation; absolute quantum; development; gravimeter ... See more keywords
Compact gravimeter with an ensemble of ultracold atoms in spin-dependent optical lattices
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.98.053826
Abstract: Atomic interferometry in optical lattices is a new trend for developing a practical quantum gravimeter. Here, we propose a compact and portable gravimetry scheme with an ensemble of ultracold atoms in gravitationally tilted spin-dependent optical… read more here.
Keywords: ensemble ultracold; spin dependent; optical lattices; gravimeter ... See more keywords
Entanglement-Enhanced Atomic Gravimeter
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review X"
DOI: 10.1103/physrevx.15.011029
Abstract: Interferometers based on ultracold atoms enable an absolute measurement of inertial forces with unprecedented precision. However, their resolution is fundamentally restricted by quantum fluctuations. Improved resolutions with entangled or squeezed atoms were demonstrated in internal-state… read more here.
Keywords: atomic gravimeter; enhanced atomic; gravimeter; entanglement enhanced ... See more keywords
Apparatus for Testing Gravimeter Based on Sinusoidal Modulation of Gravitational Signal
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2024.3440398
Abstract: The apparatus based on the sinusoidal modulation of gravitational signal has been built to test the gravimeter. The combination of attracted mass is moved up and down by the guide rails with a large load-carrying… read more here.
Keywords: modulation gravitational; based sinusoidal; sinusoidal modulation; modulation ... See more keywords
Ship-Borne Marine Absolute Gravimetry via Sensors Ultratight Fusion of an Atomic Gravimeter and a Classical Accelerometer
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2025.3548228
Abstract: Atomic gravimeters have been developed rapidly and been widely used in recent years, while their implementation for ship-borne marine applications is still limited. The harsh vibration environment destroys the atomic interference fringe, making the extraction… read more here.
Keywords: gravimetry; fusion; classical accelerometer; marine ... See more keywords
Effects related to the temperature of atoms in an atom interferometry gravimeter based on ultra-cold atoms.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.433968
Abstract: The temperature of atoms, coupled to several effects, plays an important role in high precision atom interferometry gravimeters. In this work, we present an ultra-cold 87Rb atom interferometry gravimeter, in which the atom source is… read more here.
Keywords: atom interferometry; temperature; gravimeter; temperature atoms ... See more keywords
Participation in the absolute gravity comparison with a compact cold atom gravimeter
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Optics Letters"
DOI: 10.3788/col201917.011204
Abstract: The first Asia-Pacific Comparison of Absolute Gravimeters (APMP.M.G-K1) was organized by the National Institute of Metrology (NIM) of China from December 21, 2015 to March 25, 2016 in Changping, Beijing. Our compact cold atom gravimeter… read more here.
Keywords: comparison; atom gravimeter; absolute gravity; cold atom ... See more keywords