Results 1 to 10 of about 48,491 (181)

A two-step method to detect broadcast ephemeris unavailable periods caused by BeiDou satellite orbital maneuvers

open access: yesGeodesy and Geodynamics, 2023
The space constellation of the BeiDou navigation satellite system (BDS) is a hybrid constellation containing medium earth orbit (MEO) satellites, geostationary earth orbit (GEO) satellites, and inclined geosynchronous orbit (IGSO) satellites.
Jingjing Wang, Chao Zhou, Zhixuan Sun
doaj   +1 more source

Analysis of the Effect of Different Combinations of Observation Satellites on the Resolving Accuracy of GNSS Observation Data [PDF]

open access: yesE3S Web of Conferences, 2020
In this paper, 24 C-level control points under different terrain conditions were selected to be the testing points. The binary-satellite system (GPS+GLONASS) and the triple-satellite system with BeiDou Navigation Satellite System (BDS) (BDS+GPS+GLONASS ...
Wang Junze   +3 more
doaj   +1 more source

BeiDou Augmented Navigation from Low Earth Orbit Satellites

open access: yesSensors, 2019
Currently, the Global Navigation Satellite System (GNSS) mainly uses the satellites in Medium Earth Orbit (MEO) to provide position, navigation, and timing (PNT) service.
Mudan Su   +3 more
doaj   +1 more source

THE PERFORMANCE ANALYSIS OF BDS POSITIONING IN NORDIC AREAS BASED ON THE SMARTPHONE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Nowadays, the Global Navigation Satellite System (GNSS) is widely used in many applications. As a new system, China's BeiDou navigation system (BDS) is emerging in recent years.
C. Chen   +6 more
doaj   +1 more source

Estimation of BDS pseudorange biases with high temporal resolution: feasibility, affecting factors, and necessity

open access: yesSatellite Navigation, 2023
A common practice adopted for the pseudorange bias estimation and calibration assumes that Global Navigation Satellite System satellite-dependent pseudorange biases vary gently over time. Whereupon satellite pseudorange biases are routinely estimated and
Ke Su, Guoqiang Jiao
doaj   +1 more source

A Station-Specific Ionospheric Modeling Method for the Estimation and Analysis of BeiDou-3 Differential Code Bias Parameters

open access: yesNavigation, 2022
A modified generalized trigonometric series (GTS) function is presented for the joint estimation of local ionospheric activities and differential code biases (DCBs) of the third-generation BeiDou navigation satellite system (BeiDou-3).
Ningbo Wang   +3 more
doaj   +1 more source

Optimized Design and Analysis of Offshore Beidou Maritime Foundation Reinforcement System Pseudolite Ranging-Codes

open access: yesPolish Maritime Research, 2017
Under the bad sea conditions and weak Beidou navigation signal environment, it is difficult to locate the ship on the sea, and the Beidou navigation system can’t work well.
Su Deliang   +3 more
doaj   +1 more source

Assumption of application research of field communication system for seismic emergency based on BeiDou Navigation Satellite System

open access: yes地震科学进展, 2020
After a destructive earthquake occurs, the traditional ground communication network will be severely damaged or even paralyzed, and cannot guarantee the emergency needs of data transmission, emergency communications, command dispatch between the front ...
Xiaoping Ma   +5 more
doaj   +1 more source

A novel ambiguity resolution model of BeiDou navigation satellite system/inertial navigation system tightly coupled for kinematic-to-kinematic precise relative positioning

open access: yesInternational Journal of Distributed Sensor Networks, 2022
The carrier-based kinematic-to-kinematic relative positioning can obtain the precise baseline between two moving stations, which greatly expands the application field of dynamic relative positioning.
Ling Wu   +3 more
doaj   +1 more source

Large-scale and long-distance distributed explosion sound wave test system

open access: yesDianzi Jishu Yingyong, 2022
A large-scale and long-distance distributed explosion sound wave test system based on BeiDou satellite navigation system and LoRa wireless communication technology is proposed for the characteristics test of the acoustic signal in the far field of the ...
Wang Maokai   +4 more
doaj   +1 more source

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