Results 11 to 20 of about 86,799 (386)
Optomechanical Accelerometers for Geodesy [PDF]
Remote Sensing, 2022 We present a novel optomechanical inertial sensor for low-frequency applications and corresponding acceleration measurements. This sensor has a resonant frequency of 4.715 (1) Hz, a mechanical quality factor of 4.76(3) × 105, a test mass of 2.6 g, and a projected noise floor of approximately 5 × 10−11 ms−2/Hz at 1 Hz.
Adam Hines +6 more
openaire +4 more sources
Atomic clocks for geodesy [PDF]
Reports on Progress in Physics, 2018 73 pages, 22 ...
Heiner Denker +5 more
openaire +6 more sources
A new laser-ranged satellite for General Relativity and space geodesy: I. An introduction to the LARES2 space experiment [PDF]
, 2017 We introduce the LARES 2 space experiment recently approved by the Italian Space Agency (ASI). The LARES 2 satellite is planned for launch in 2019 with the new VEGA C launch vehicle of ASI, ESA and ELV.
Ciufolini, Ignazio +10 more
core +3 more sources
Journal of Physics: Conference Series, 2016 Quantum metrology enables new applications in geodesy, including relativistic geodesy. The recent progress in optical atomic clocks and in long-distance frequency transfer by optical fiber together pave the way for using measurements of the gravitational frequency redshift for geodesy. The remote comparison of frequencies generated by calibrated clocks
J. Flury
openaire +2 more sources
Advanced relativistic VLBI model for geodesy
Journal of Geodesy, 2016 Our present relativistic part of the geodetic VLBI model for Earthbound antennas is a consensus model which is considered as a standard for processing high-precision VLBI observations. It was created as a compromise between a variety of relativistic VLBI
Han, Wen-Biao +2 more
core +2 more sources
A simplified gravitational reference sensor for satellite geodesy [PDF]
Journal of Geodesy, 2021 A simplified gravitational reference sensor (S-GRS) is an ultra-precise inertial sensor for future Earth geodesy missions. These sensors measure or compensate for all non-gravitational accelerations of the host spacecraft to remove them in the data ...
A. Álvarez +18 more
semanticscholar +1 more source
Geodesy of irregular small bodies via neural density fields
Communications Engineer, 2022 Asteroids’ and comets’ geodesy is a challenging yet important task for planetary science and spacecraft operations, such as ESA’s Hera mission tasked to look at the aftermath of the recent NASA DART spacecraft’s impact on Dimorphos.
D. Izzo, P. G'omez
semanticscholar +1 more source
Remote Sensing, 2022 Like gravitational wave detection, inter-spacecraft geodesy is a measurement of gravitational tidal accelerations deforming a constellation of two or more orbiting reference test masses (TM).
W. Weber +5 more
semanticscholar +1 more source
Geodesy, Geophysics and Fundamental Physics Investigations of the BepiColombo Mission
Space Science Reviews, 2021 In preparation for the ESA/JAXA BepiColombo mission to Mercury, thematic working groups had been established for coordinating the activities within the BepiColombo Science Working Team in specific fields.
A. Genova +17 more
semanticscholar +1 more source
Gravity, Geodesy and Fundamental Physics with BepiColombo’s MORE Investigation
, 2021 The Mercury Orbiter Radio Science Experiment (MORE) of the ESA mission BepiColombo will provide an accurate estimation of Mercury’s gravity field and rotational state, improved tests of general relativity, and a novel deep space navigation system.
L. Iess +39 more
semanticscholar +1 more source