Results 21 to 30 of about 5,627 (172)
Ephemerides Budenses, magyar nyelvű regeszták [PDF]
, 2014 1790 - az Ephemerides Budenses Tertina Mihály által szerkesztett számainak magyar ...
Balogh, Piroska
core +1 more source
Effect of Ephemeris on Pulsar Timing and Navigation Accuracy Based on X-ray Pulsar Navigation-I Data
Universe, 2022 Solar system ephemeris is very important for pulsar timing and navigation. In order to explore the effect of different precision ephemerides on X-ray pulsar timing and navigation, the differences between timing and navigation results with four JPL ...
Yongtao Deng, Shuanggen Jin
doaj +1 more source
Izračun položaja GPS-satelita iz podatkov oddanih efemerid : GPS-Orbit Computation from Broadcast Ephemeris Data [PDF]
Geodetski Vestnik, 2004 The article describes the theoretical point of view of the GPS-broadcast ephemerides application. Beside the raw GPS observations, any kind of GPS ephemerides represents indispensable data in the GPS processing engine.
Bojan Stopar +1 more
doaj
Maya records of planetary conjunctions in Dresden Codex [PDF]
Serbian Astronomical JournalOld Mayas designed a very complicated calendar, and they also recorded important historical events and astronomical phenomena. Dresden Codex (DC), one of the four preserved Mayan hieroglyphic literal legacies, contains many of these, covering ...
Vondrák J., Böhm V., Böhm B.
doaj +1 more source
INPOP17a planetary ephemerides
, 2017 International audienceBased on the use of Cassini radio tracking data and the introduction of LLR data obtained at 1064 nm, a new planetary ephemerides INPOP17a was built including improvements for the planet orbits as well as for Moon ephemerides ...
Viswanathan, V. +7 more
core +1 more source
“Alexander’s Ephemerides (117)”
, 2017 This paper offers a commentary on the fragments of so-called Alexander's Diaries (Ephemerides)
Bearzot, Cinzia Susanna
core +1 more source
Adalékok egy „közlekedőedény” természetrajzához. Az Ephemerides Budenses és a közköltészet [PDF]
, 2014 Interneten is publikált tanulmány az Ephemerides Budenses közköltészeti ...
Balogh, Piroska
core +2 more sources
Remote Sensing, 2021 Positioning accuracy is affected by the combined effect of user range errors and the geometric distribution of satellites. Dilution of precision (DOP) is defined as the geometric strength of visible satellites.
Haomeng Cui, Shoujian Zhang
doaj +1 more source
Frontiers in Astronomy and Space SciencesPrecise orbit determination of main-belt asteroids is essential for deep-space mission design, navigation, and target characterization. This study presents a refined orbit-determination analysis for 623 Chimaera and 269 Justitia, the two largest targets ...
Runsong Lu +8 more
doaj +1 more source
IEEE Access, 2023 BDS-3 was formally put into service on July 31, 2020, and now along with BDS-2 provides the positioning, navigation and timing services. In this contribution, different techniques of dual-frequency absolute positioning using the fully serviceable BDS-2 ...
Shengnan Liu, Shaolin Zhu, Jian Zhang
doaj +1 more source