Results 121 to 130 of about 22,280 (246)

Elemente und Ephemeride des Cometen 1894…(Denning März 26)

, 1894
L. Schulhof, Alan B. Krueger
openalex   +2 more sources

Integrated precise orbit determination for LEO constellation and BDS-3 MEO satellites using inter-satellite links and onboard BDS-3 observations

Satellite Navigation
By leveraging the high-precision spatial reference established with Global Navigation Satellite System (GNSS), we propose a low-ground-dependency and low-latency Precise Orbit Determination (POD) method employing onboard GNSS, Inter-Satellite Link (ISL ...
Geer Qin, Kecai Jiang, Min Li, Qile Zhao, Xin Xie, Youcun Wang, Chao Yang, Yubin Wang, Chuntao Chang   +8 more
doaj   +1 more source

Characterization of the Ability of Low-Cost GNSS Receiver to Detect Spoofing Using Clock Bias. [PDF]

Sensors (Basel), 2023
Truong V, Vervisch-Picois A, Rubio Hernan J, Samama N.   +3 more
europepmc   +1 more source

Ephemerides of the Satellites of Saturn, 1886–87 [PDF]

, 1886
A. Marth
openalex   +1 more source

Ephemeride der Polarissima [BD +89°37] für 1918

, 1917
L. Courvoisier
openalex   +2 more sources

The history of pertussis: from an ancient scourge to a contemporary health burden. [PDF]

J Prev Med Hyg, 2023
Galassi FM, Varotto E, Martini M.
europepmc   +1 more source

Tests of GR with INPOP15a planetary ephemerides: Estimations of possible supplementary advances of perihelia for Mercury and Saturn

, 2017
A. Fienga, J. Laskar, H. Manche, Mickaël Gastineau   +3 more
openalex   +1 more source

Angles-Only Navigation via Optical Satellite Measurement with Prior Altitude Constrained. [PDF]

Sensors (Basel)
Dai D, Ni Y, Yu Y, Li J, Qin S.
europepmc   +1 more source

The high optical brightness of the BlueWalker 3 satellite. [PDF]

Nature, 2023
Nandakumar S, Eggl S, Tregloan-Reed J, Adam C, Anderson-Baldwin J, Bannister MT, Battle A, Benkhaldoun Z, Campbell T, Colque JP, Damke G, Plauchu Frayn I, Ghachoui M, Guillen PF, Kaeouach AE, Krantz HR, Langbroek M, Rattenbury N, Reddy V, Ridden-Harper R, Young B, Unda-Sanzana E, Watson AM, Walker CE, Barentine JC, Benvenuti P, Di Vruno F, Peel MW, Rawls ML, Bassa C, Flores-Quintana C, García P, Kim S, Longa-Peña P, Ortiz E, Otarola Á, Romero-Colmenares M, Sanhueza P, Siringo G, Soto M.   +39 more
europepmc   +1 more source

Ephemeride [PDF]

Astronomische Nachrichten
openaire   +3 more sources