Results 31 to 40 of about 19,364 (340)
Evaluation of Network RTK Positioning Performance Based on BDS-3 New Signal System
Remote Sensing, 2021 The BeiDou navigation satellite system (BDS-3) has been deployed and provides positioning, navigation, and timing (PNT) services for users all over the world.
Pengxu Wang +5 more
doaj +1 more source
Positioning Performance Comparison Between GPS and BDS With Data Recorded at Four MGEX Stations
IEEE Access, 2020 In December 2018, the BeiDou III (BDS-3) basic system was completed and began to provide global services. along with the BeiDou second-generation satellite navigation system (BDS-2) and Beidou first-generation satellite navigation system (BDS-1), the ...
Xiaping Ma +4 more
doaj +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
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Computing zeta functions of arithmetic schemes [PDF]
, 2015 We present new algorithms for computing zeta functions of algebraic varieties over finite fields. In particular, let X be an arithmetic scheme (scheme of finite type over Z), and for a prime p let zeta_{X_p}(s) be the local factor of its zeta function ...
Harvey, David
core +1 more source
A 3-D study of eddy current field and temperature rises in a compact bus duct system [PDF]
, 2014 Author name used in this publication: S. L. HoAuthor name used in this publication: H. C. WongAuthor name used in this publication: K. W. E.
Cheng, KWE +4 more
core +1 more source
Preliminary Analysis of Intersystem Biases in BDS-2/BDS-3 Precise Time and Frequency Transfer
Remote Sensing, 2022 The Chinese BeiDou global satellite system (BDS-3) and regional system (BDS-2) are predicted to coexist over the next decade. Intersystem biases (ISBs) in BDS-2/BDS-3 play a key role in maintaining the consistency and continuity from the BDS-2 to BDS-3 ...
Pengfei Zhang +5 more
doaj +1 more source
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
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A new receiver clock model to enhance BDS-3 real-time PPP time transfer with the PPP-B2b service
Satellite Navigation, 2023 A new Precise Point Positioning (PPP) service, called the PPP-B2b service, has been implemented in the BeiDou-3 Navigation Satellite System (BDS-3), which brings new opportunities for time transfer.
Yulong Ge +6 more
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Remote Sensing, 2022 Vehicular positioning in urban environments has become a research hotspot in recent years, and global navigation satellite system/inertial navigation system (GNSS/INS) tightly coupled positioning is a commonly used method. With the broadcast of BDS-3 and
Chun Ma +5 more
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Remote Sensing, 2023 The BeiDou Global Navigation Satellite System (BDS), including the second generation (BDS-2) and the third generation (BDS-3), has been widely used in areas of positioning, navigation, and timing (PNT). One of the essential prerequisites for accurate PNT
Zhetao Zhang +4 more
doaj +1 more source