Results 111 to 120 of about 2,562 (200)

The Design and Analysis of a Lunar Navigation SmallSat for Southern Hemisphere Moon Navigation

IEEE Access
Being Earth’s only natural satellite, the moon is crucial for human space exploration and serves as a vital base for additional deep space endeavors.
Xiao Chen, Yong Zheng, Lan Du, Zhongkai Zhang   +3 more
doaj   +1 more source

Orbit and clock products for quad-system satellites with undifferenced ambiguity fixing approach

Satellite Navigation
Integer Ambiguity Resolution (IAR) can significantly improve the accuracy of GNSS Precise Orbit Determination (POD). Traditionally, the IAR in POD is achieved at the Double Differenced (DD) level.
Jiaqi Wu, Xingxing Li, Yongqiang Yuan, Keke Zhang, Xin Li, Jiaqing Lou, Yun Xiong   +6 more
doaj   +1 more source

Real-Time Precise Point Positioning Method Considering Broadcast Ephemeris Discontinuities

Navigation
With advancements in the broadcast ephemeris accuracy of global navigation satellite systems (GNSSs), precise point positioning based on broadcast ephemeris (BE-PPP) is gradually showing promising prospects.
Quanrun Cheng, Junping Chen, Yize Zhang, Chao Yu   +3 more
doaj   +1 more source

Web-Based GPS Data Publishing System [PDF]

, 2014
Tato práce se zabývá vývojem webové aplikace, která umožní správu a publikaci zaznamenaných tras ve formátu GPX na mapových podkladech Mapy.cz. U každé trasy je možné zobrazit její výškový profil, přidat fotografie k daným místům a další informace ...
Hamšík, Filip
core  

GPS Galileo BDS3 LEO uncalibrated phase delays estimation and tight combination precise point positioning with ambiguity resolution. [PDF]

Sci Rep
Fang J, Tu R, Zhang P, Zhang R, Cheng F, Lu X.   +5 more
europepmc   +1 more source

Assessing BeiDou-3 PPP-B2b with Signal-in-Space Ranging Error (SISRE) and Its Performances in Positioning and ZTD Estimation. [PDF]

Sensors (Basel)
Wang G, Li F, Zhou W, Chen G, Zhu Z, Jia X, An Q.   +6 more
europepmc   +1 more source

A New Measurement Method for BDS Inter-Satellite Link Based on Co-Frequency Co-Time Full Duplex System. [PDF]

Sensors (Basel)
Feng H, Yang Z, Ma H, Jiao Y, Wu T, Ma H, Chen Q.   +6 more
europepmc   +1 more source

Space-borne BDS receiver for LING QIAO satellite: design, implementation and preliminary in-orbit experiment results [PDF]

core   +1 more source

Infrastructure Development for the Digital Silk Road (DSR) and its Implications for China Under the Belt and Road Initiative [PDF]

, 2023
Hussain, Fakhar, Hussain, Zakar, Imran, Ali, Khan, Muhammad Ikramullah   +3 more
core   +2 more sources

A New Criterion Construction and Verification for GNSS Satellite Selection Based on Near-Real-Time Accuracy. [PDF]

Sensors (Basel)
Zuo Y, Yao Y, Hu M.
europepmc   +1 more source