Results 21 to 30 of about 36,001 (245)

Real-Time Precise Point Positioning during Outages of the PPP-B2b Service

Remote Sensing, 2023
The precise point positioning service on B2b signal (PPP-B2b) is a real-time decimeter-level positioning service provided by the BeiDou-3 Global Navigation Satellite System (BDS-3).
Yufei Chen, Xiaoming Wang, Kai Zhou, Jinglei Zhang, Cong Qiu, Haobo Li, Shiji Xin   +6 more
doaj   +2 more sources

Performance assessment of BeiDou-3 PPP-B2b real time pre-cise point positioning

Scientific Reports
To assess the performance of the PPP-B2b service, most existing studies typically store real-time PPP-B2b messages and leverage them to acquire precise satellite orbits and clock offsets.
Yu Lin, Laiyong Song, Jiaqi Shen, Zelin Mu   +3 more
doaj   +2 more sources

LEO-Enhanced Multi-GNSS Real-Time PPP Time Transfer

Remote Sensing
GNSS Precise Point Positioning (PPP) technology has been applied to the time transfer for a long time, enabling time synchronization between two arbitrary stations on a global scale.
Wei Xie, Kan Wang, Wen Lai, Mengjun Wu, Mengyuan Li, Xuhai Yang   +5 more
doaj   +2 more sources

Assessment of Affordable Real-Time PPP Solutions for Transportation Applications

Algorithms
With the availability of multi-frequency, multi-constellation global navigation satellite system (GNSS) modules, precise transportation applications have become attainable.
Mohamed Abdelazeem, Amgad Abazeed, Abdulmajeed Alsultan, Amr M. Wahaballa   +3 more
doaj   +2 more sources

Implementation and performance analysis of real time PPP software based on GAMP

Dianzi Jishu Yingyong, 2022
Aiming at the problem that GAMP software lacks the function of real-time precise point positioning at this stage, this paper analyzes and studies the principle and process of the post precise point positioning algorithm in the software, compares the ...
Liu Ya, He Wentao, Zhang Jie
doaj   +2 more sources

Single-Dose TACE-Like Injection of Sustained-Release Panobinostat/IL-12 Polymeric Microparticles is Effective in Preclinical Liver Cancer Models. [PDF]

Adv Sci (Weinh)
A novel PLGA/PBAE polymer microparticle platform revolutionizes intermediate‐stage liver cancer treatment by co‐delivering panobinostat and IL‐12 via a single TACE‐like injection. This sustained‐release system overcomes tumor immunosuppression, triggers robust innate and adaptive immune responses, and establishes tertiary lymphoid structures ...
Yu H, Li L, Surwase SS, Zhou XMM, Qian H, Sunshine JC, Selaru FM, Green JJ.   +7 more
europepmc   +2 more sources

Evaluation of BDS-3 B1C/B2b Single/Dual-Frequency PPP Using PPP-B2b and RTS SSR Products in Both Static and Dynamic Applications

Remote Sensing, 2022
The BeiDou Global Navigation Satellite System (BDS-3) can provide PPP-B2b satellite-based Precise Point Positioning (PPP) real-time service to the Asia–Pacific region via PPP-B2b signal transmitted from the three Geostationary Earth Orbit (GEO ...
Ruohua Lan, Cheng Yang, Yanli Zheng, Qiaozhuang Xu, Jie Lv, Zhouzheng Gao   +5 more
doaj   +1 more source

Performance Assessment of Multi-GNSS Real-Time Products from Various Analysis Centers

Remote Sensing, 2022
The performance of real-time precise point positioning (PPP) relies primarily on the availability and quality of orbit and clock corrections. In this research, we collected data streams from 12 real-time mount points of IGS Real-Time Service (RTS) or ...
Chao Yu, Yize Zhang, Junping Chen, Qian Chen, Kexin Xu, Bin Wang   +5 more
doaj   +1 more source

REAL TIME PPP APPLIED TO AIRPLANE FLIGTHT TESTS [PDF]

Boletim de Ciências Geodésicas, 2019
La disponibilité en temps réel des orbites des satellites GNSS, des corrections d'horloge et des biais de code et de phase a permis l'application du positionnement précis en temps réel (RTPPP). Cet article présente la méthodologie concernant le RTPPP et son application aux trajectoires cinématiques des essais en vol des avions, mais sans utiliser le ...
João Francisco Galera Monico, Haroldo Antonio Marques, Ítalo Tsuchiya, Rogério Takeshi Oyama, William Robson Silva de Queiroz, Mauricio Cardoso de Souza, Jens Peter Wentz   +6 more
openaire   +4 more sources

The kinematic performance of real-time PPP services in challenging environment

Measurement, 2022
Abstract This study comparatively tests the performance of two real-time PPP services used in automated vehicle technologies, namely Trimble CenterPoint RTX and TerraStar-C Pro. This test focuses on the convergence time and the accuracy performance of these two services.
Ilci, Veli, Peker, Ali Ufuk
openaire   +2 more sources