Results 1 to 10 of about 23,425,797 (340)

Theoretical error modeling and analysis of strapdown inertial navigation system alignment under zero-velocity conditions. [PDF]

Sci Rep
Mohammadkarimi H, Mobtaker M, Alizadeh MH.   +2 more
europepmc   +3 more sources

Clock-offset computation method of space network aided by satellite clock prediction [PDF]

SHS Web of Conferences, 2023
A novel network clock-offset resolution method for space network is proposed in the paper. In the process of clock-offset resolution based on the network inter-node measurement data, the prediction of satellite clock result is used as the priori ...
Bao Yachuan, Yang Menghuan, Li Jianjia
doaj   +1 more source

Research on None-Line-of-Sight/Line-of-Sight Identification Method Based on Convolutional Neural Network-Channel Attention Module

Sensors, 2023
None-Line-of-Sight (NLOS) propagation of Ultra-Wideband (UWB) signals leads to a decrease in the reliability of positioning accuracy. Therefore, it is essential to identify the channel environment prior to localization to preserve the high-accuracy Line ...
Jingjing Zhang, Qingwu Yi, Lu Huang, Zihan Yang, Jianqiang Cheng, Heng Zhang   +5 more
doaj   +1 more source

In-flight performance analysis of the navigation augmentation payload on LEO communication satellite: a preliminary study on WT01 mission

Geo-spatial Information Science, 2022
With the development of the Low Earth Orbit (LEO) communication constellations, it has become a hot area of research to provide additional navigation augmentation services.
Ziqian Wu, Baoguo Yu, Chuanzhen Sheng, Jingkui Zhang, Song Xie, Cailun Wu   +5 more
doaj   +1 more source

End-Cloud Collaboration Navigation Planning Method for Unmanned Aerial Vehicles Used in Small Areas

Sensors, 2023
Unmanned aerial vehicle (UAV) collaboration has become the main means of indoor and outdoor regional search, railway patrol, and other tasks, and navigation planning is one of the key, albeit difficult, technologies.
Huajie Xiong, Baoguo Yu, Qingwu Yi, Chenglong He   +3 more
doaj   +1 more source

A Novel Perspective of the Kalman Filter from the Rényi Entropy

Entropy, 2020
Rényi entropy as a generalization of the Shannon entropy allows for different averaging of probabilities of a control parameter α. This paper gives a new perspective of the Kalman filter from the Rényi entropy.
Yarong Luo, Chi Guo, Shengyong You, Jingnan Liu   +3 more
doaj   +1 more source

Multi-Level Fusion Indoor Positioning Technology Considering Credible Evaluation Analysis

Remote Sensing, 2023
Aiming at the problems of the low robustness and poor reliability of a single positioning source in complex indoor environments, a multi-level fusion indoor positioning technology considering credible evaluation is proposed.
Lu Huang, Baoguo Yu, Shitong Du, Jun Li, Haonan Jia, Jingxue Bi   +5 more
doaj   +1 more source

Adaptive Spoofing Suppression Algorithm for GNSS Based on Multiple Antennas Array

Sensors, 2020
The signals of navigation satellites are easily affected by spoofing interference, causing the wrong position, speed or Universal Time Coordinate of the receiver to be calculated.
Guangwei Fan, Xingli Gan, Baoguo Yu, Qiang Rong, Chuanzhen Sheng   +4 more
doaj   +1 more source

Precise Point Positioning Algorithm for Pseudolite Combined with GNSS in a Constrained Observation Environment

Sensors, 2020
In urban canyon environments, Global Navigation Satellite System (GNSS) satellites are heavily obstructed with frequent rise and fall and severe multi-path errors induced by signal reflection, making it difficult to acquire precise, continuous, and ...
Chuanzhen Sheng, Xingli Gan, Baoguo Yu, Jingkui Zhang   +3 more
doaj   +1 more source

An Innovative Fingerprint Location Algorithm for Indoor Positioning Based on Array Pseudolite

Sensors, 2019
Since the signals of the global navigation satellite system (GNSS) are blocked by buildings, accurate positioning cannot be achieved in an indoor environment.
Lu Huang, Xingli Gan, Baoguo Yu, Heng Zhang, Shuang Li, Jianqiang Cheng, Xiaohu Liang, Boyuan Wang   +7 more
doaj   +1 more source