The determination for ideal release point of test masses in drag-free satellites for the detection of gravitational waves
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Space Research"
DOI: 10.1016/j.asr.2020.09.030
Abstract: Abstract Gravitational waves are ripples in space–time predicted by Albert Einstein's general relativity and provide a new way to understand the universe. Space-borne detectors of gravitational waves, extending to very large scales, can effectively detect… read more here.
Keywords: gravitational waves; detection gravitational; test masses; test ... See more keywords
Optical Gravimetry mass measurement performance for small body flyby missions
Sign Up to like & getrecommendations! Published in 2021 at "Planetary and Space Science"
DOI: 10.1016/j.pss.2021.105289
Abstract: Abstract It is challenging or infeasible to precisely measure the mass of small asteroids using the state-of-the-art without a dedicated spacecraft rendezvous mission, which are typically limited to one or a few asteroid targets. Alternatively,… read more here.
Keywords: mass measurement; test masses; test; flyby missions ... See more keywords
Characterization of the seismic field at Virgo and improved estimates of Newtonian-noise suppression by recesses
Sign Up to like & getrecommendations! Published in 2021 at "Classical and Quantum Gravity"
DOI: 10.1088/1361-6382/ac348a
Abstract: Fluctuations of gravitational forces cause so-called Newtonian noise (NN) in gravitational-wave detectors which is expected to limit their low-frequency sensitivity in upcoming observing runs. Seismic NN is produced by seismic waves passing near a detector’s… read more here.
Keywords: test masses; field; virgo; seismic field ... See more keywords
Relative Position Model Predictive Control of Double Cube Test-Masses Drag-Free Satellite with Extended Sliding Mode Observer
Sign Up to like & getrecommendations! Published in 2021 at "Mathematical Problems in Engineering"
DOI: 10.1155/2021/8887479
Abstract: The drag-free satellites, being space-borne ultrahigh precise measurement platforms, have played irreplaceable roles in a great number of space science missions such as navigation, earth science, fundamental physics, and astrophysics. Most of these missions have… read more here.
Keywords: model predictive; test masses; control; drag free ... See more keywords