Results 21 to 30 of about 911,639 (290)
Velocity and Acceleration of NavIC Satellites using Broadcast Ephemeris [PDF]
International Journal of Mathematical, Engineering and Management Sciences, 2018 The current manuscript describes a methodology to derive velocity and acceleration of NavIC satellites from the broadcast ephemeris. A fourth-order central differencing formula is used to derive NavIC satellites’ Earth-Centred-Earth-Fixed (ECEF) velocity
Bidyut B. Gogoi +3 more
doaj +1 more source
UnmannedSim : urban and multi-agent navigation network-enabled drones simulator for path planning and localization research [PDF]
, 2022 34th International Technical Meeting of the Satellite Division of the Institute of Navigation (ION GNSS+ 2021), September 20-24, 2021, St.
Shiu, WCL +6 more
core +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 +5 more
doaj +1 more source
The BeiDou Navigation Message [PDF]
, 2013 The article provides an overview of the BeiDou navigation message contents and highlights its specific communalities and differences with respect to other GNSS constellations. Making use of data collected by multi-GNSS monitoring stations of the MGEX and
Steigenberger, Peter +1 more
core +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 +4 more
doaj +1 more source
Online integrity alert limit determination method for autonomous vehicle navigation
, 2022 11th China Satellite Navigation Conference, CSNC 2020, 22-25 November 2020, Chengdu, China202205 bckwAccepted ManuscriptSelf-fundedPublishedGreen ...
Hsu, LT, Meng, Q, Feng, S
core +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 +7 more
doaj +1 more source
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 +3 more
doaj +1 more source
Sensors, 2020 The autocorrelation function (ACF) of the Binary Offset Carrier modulation (BOC) signal for Global Navigation Satellite System (GNSS) has multiple peaks, ambiguity is easily generated during the synchronization of the baseband signal.
Fang Hao +6 more
doaj +1 more source
Doppler Differential Positioning Technology Using the BDS/GPS Indoor Array Pseudolite System
Sensors, 2019 A Global Satellite Navigation System (GNSS) cannot provide normal location services in an indoor environment because the signals are blocked by buildings.
Xingli Gan +7 more
doaj +1 more source