Results 141 to 150 of about 822 (179)

Design of Unattended Rain and Snow Protection Device for Total Station Based on D-S Evidence Fusion. [PDF]

Sensors (Basel)
Jia L, Liu Y, Du G, Li X, Wang Z, Lu Y, Zhang Z.   +6 more
europepmc   +1 more source

Event Horizon Telescope observations exclude compact objects in baseline mimetic gravity. [PDF]

Sci Rep
Khodadi M, Vagnozzi S, Firouzjaee JT.
europepmc   +1 more source

Role of Radio Telescopes in Space Debris Monitoring: Current Insights and Future Directions. [PDF]

Sensors (Basel)
Ahuja B, Gentile L, Kumar A, Martorella M.   +3 more
europepmc   +1 more source

Gyroscope measurements of the precession and nutation of Earth's axis. [PDF]

Sci Adv
Schreiber KU, Hugentobler U, Kodet J, Stellmer S, Klügel T, Wells JR.   +5 more
europepmc   +1 more source

Optimal antenna locations of the VLBI Global Observing System for the estimation of Earth orientation parameters. [PDF]

Earth Planets Space, 2020
Schartner M, Böhm J, Nothnagel A.
europepmc   +1 more source

Experimental analysis of time difference of arrival estimates based on inexactly reconstructed signals. [PDF]

Sci Rep
Wang S, Huang C, Xiang Y, Gao Y, Zhao X, Hua Y.   +5 more
europepmc   +1 more source

Promoting Earth-Based Radar Astronomical Observations of the Moon. [PDF]

Sensors (Basel), 2020
Sun J, Ping J, Bondarenko Y, Marshalov D, Shu F, Cao J, Han S, Chen L, Chen W.   +8 more
europepmc   +1 more source

Design and flight results of the VHF/UHF communication system of Longjiang lunar microsatellites. [PDF]

Nat Commun, 2020
Wei M, Hu C, Estévez D, Tai M, Zhao Y, Huang J, Bassa C, Jan Dijkema T, Cao X, Wang F.   +9 more
europepmc   +1 more source

A Novel Hybrid Approach for UT1-UTC Ultra-Short-Term Prediction Utilizing LOD Series and Sum Series of LOD and First-Order-Difference UT1-UTC. [PDF]

Sensors (Basel)
Ye F, Ao M, Li N, Zeng R, Zeng X.
europepmc   +1 more source

Effect of station selection on VLBI-to-GNSS orientation transfer using space-ties onboard a next generation Galileo satellite

Sert H, Hugentobler U, Karatekin Ö, Dehant V.   +3 more
europepmc   +1 more source