A Novel Error Correction Approach to Improve Standard Point Positioning of Integrated BDS/GPS [PDF]
Sensors, 2020 To improve the standard point positioning (SPP) accuracy of integrated BDS (BeiDou Navigation Satellite System)/GPS (Global Positioning System) at the receiver end, a novel approach based on Long Short-Term Memory (LSTM) error correction recurrent neural
Luyao Du +3 more
doaj +2 more sources
Visualizing an Umbilical Venous Catheter in Malposition Using POCUS [PDF]
POCUS JournalUmbilical venous catheters (UVCs) are commonly needed in critically ill infants in the neonatal intensive care unit (NICU). However, there is an increased risk for major adverse events with improper positioning.
Jacob Kelner, Douglas Moote
doaj +2 more sources
Kinematic Standard Point Positioning (SPP) based on Kalman Filter and C/A Code Observations Under Intense Geomagnetic Storm Conditions [PDF]
فصلنامه علوم و فناوری فضایی, 2021 In this paper, we discussed standard point positioning technique based on the single frequency code-based (C/A) receivers. Then, we presented its performance by means of different measures.
Fereydon Nobakht Orsi +2 more
doaj +1 more source
BDS-3 Triple-Frequency Timing Group Delay/Differential Code Bias and Its Effect on Positioning
Remote Sensing, 2023 BeiDou Global Navigation Satellite System (BDS-3) broadcasts multifrequency signals that offer more choices of frequencies and more signal combinations for positioning. This paper analyzes the effect of timing group delay (TGD) and differential code bias
Yanjun Du +5 more
doaj +1 more source
Mine-used vehicle management system based on UWB technology
Meikuang Anquan, 2023 In order to solve the urgent problems such as large dynamic error, inaccurate positioning direction and loss of positioning data in the current positioning process of mine-used vehicles, UWB ultra wideband wireless carrier communication technology is ...
LI Zhe
doaj +1 more source
A commentary of Hyper-accurate position in MIT Technology Review 2021
Fundamental Research, 2021 The positioning accuracy improvement of satellite navigation system support the development of industries related to high accuracy positioning. The BeiDou global satellite navigation system (BDS-3) started providing full-scale global services in 2020 ...
Xia Ren, Yuanxi Yang
doaj +1 more source
The Implementation of Precise Point Positioning (PPP): A Comprehensive Review
Sensors, 2023 High-precision positioning from Global Navigation Satellite Systems (GNSS) has garnered increased interest due to growing demand in various applications, like autonomous car navigation and precision agriculture.
Mohamed Elsheikh +3 more
doaj +1 more source
Performance Analysis of the Korean Positioning System Using Observation Simulation
Remote Sensing, 2020 The Korean government has a plan to build a new regional satellite navigation system called the Korean Positioning System (KPS). The initial KPS constellation is designed to consist of seven satellites, which include three geostationary Earth orbit (GEO)
Byung-Kyu Choi +5 more
doaj +1 more source
Remote Sensing, 2022 The broadcast ionospheric model is one of the main methods for eliminating ionospheric delay errors for the Global Navigation Satellite Systems (GNSS) single-frequency users.
Qiang Li +6 more
doaj +1 more source
The Effect of BDS-3 Time Group Delay and Differential Code Bias Corrections on Positioning
Applied Sciences, 2020 The timing group delay parameter (TGD) or differential code bias parameter (DCB) is an important factor that affects the performance of GNSS basic services; therefore, TGD and DCB must be taken seriously.
Peipei Dai +6 more
doaj +1 more source