Results 61 to 70 of about 16,109,979 (360)
Remote Sensing, 2022 Since BeiDou Navigation Satellite System (BDS) and Japan’s Quasi-Zenith Satellite System (QZSS) have more visible satellites in the Asia-Pacific region, and navigation satellites of Global Positioning System (GPS), Galileo satellite navigation system ...
Mengyuan Li +4 more
doaj +1 more source
Yaw attitudes for BDS-3 IGSO and MEO satellites: estimation, validation and modeling with inter-satellite link observations [PDF]
arXiv, 2021 The disclosed satellite metadata as well as previous estimations using Revise Kinematic Precise Point Positioning (RKPPP) approach with L-band data have already demonstrated the continuous yaw steering model used by BDS-3 Medium Earth Orbit (MEO) satellites manufactured by China Academy of Space Technology (CAST) in deep eclipse seasons instead of the ...
arxiv
Facilitation of student-staff partnership in development of digital learning tools through a special study module [PDF]
, 2018 A student-staff partnership was formed as part of a final year special study module to provide dental students the opportunity to work closely with faculty to produce high-quality e-learning resources in areas of the curriculum identified by the students
Al-Ani, Ziad +6 more
core +1 more source
Satellite Navigation, 2023 In order to facilitate high-precision and real-time Precise Point Positioning (PPP), the International GNSS (Global Navigation Satellite System) Service (IGS), BDS-3 (BeiDou-3 Navigation Satellite System), and Galileo navigation satellite system (Galileo)
Haojun Li, Danzeng Luojie, Huimin Ding
semanticscholar +1 more source
Sustained gene expression in the retina by improved episomal vectors [PDF]
, 2014 Gene and cellular therapies are nowadays part of therapeutic strategies for the treatment of diverse pathologies. The drawbacks associated with gene therapy-low levels of transgene expression, vector loss during mitosis, and gene silencing-need to be ...
Ana V. Oliveira +7 more
core +1 more source
MHV amplitude for 3->3 gluon scattering in Regge limit [PDF]
, 2010 We calculate corrections to the BDS formula for the six-particle planar MHV amplitude for the gluon transition 3->3 in the multi-Regge kinematics for the physical region, in which the Regge pole ansatz is not valid. The remainder function at two loops is
A. Prygarin +29 more
core +2 more sources
Space Weather, 2023 Ionospheric scintillation could seriously disrupt the signal tracking of the global navigation satellite systems (GNSS), further causing positioning accuracy degradation or unavailability.
Hang Liu +4 more
semanticscholar +1 more source
Assessment of pap smear and colposcopic findings in patients with vaginal discharge [PDF]
New Indian Journal of OBGYN, 2019 Aim: Present study was performed with an aim to see the types of vaginal discharge with the pap smear and colposcopic findings. Material and Methods: This cross-sectional study was conducted in 68 women attending outpatient department (OPD) of Obstetrics
Nagajan Bhadarka +2 more
doaj +1 more source
, 2022 Vorwort zur 2. Auflage: In der zweiten Auflage habe ich den Aufsatz „Gottesbeweise – was man alles akzeptieren muss, um sie plausibel finden zu können“ hinzugefügt. Einige andere Beiträge wurden leicht überarbeitet.
openaire +2 more sources
Long-Term Performance Evaluation of BeiDou PPP-B2b Products and Its Application in Time Service
Remote Sensing, 2023 Precise Point Positioning (PPP) is an official service of the BeiDou Global Navigation Satellite System (BDS-3) through the PPP-B2b signal. In this paper, we mainly focus on the long-term performance evaluation of BDS-3 PPP-B2b products and their ...
Qianqian He +6 more
doaj +1 more source