Results 1 to 10 of about 109 (84)

Research on the eLoran Differential Timing Method [PDF]

open access: yesSensors, 2020
An enhanced long-range navigation (eLoran) system was selected as the backup of Global Navigation Satellite Systems (GNSS), and experts and scholars are committed to improving the accuracy of the eLoran system such that its accuracy is close to the GNSS ...
Yun Li, Yu Hua, Baorong Yan, Wei Guo
doaj   +5 more sources

Meteorological Influence on eLoran Accuracy [PDF]

open access: yesIEEE Access, 2021
Stringent accuracy requirements need to be met for eLoran deployment in marine navigation and harbour entrance and approach. A good accuracy model is therefore required to predict the positioning accuracy at the user’s receiver locations. Accuracy
Caspar K. Lebekwe   +2 more
doaj   +3 more sources

Application of Ultra Narrow Band Modulation in Enhanced Loran System [PDF]

open access: yesSensors, 2021
The Enhanced Loran (eLoran) system is valued for its important role in the positioning, navigation, and timing fields; however, with its current modulation methods, low data rate restricts its development.
Boyun Lyu   +3 more
doaj   +2 more sources

A Shrink-Branch-Bound Algorithm for eLoran Pseudorange Positioning Initialization

open access: yesRemote Sensing, 2022
Currently, eLoran is the ideal backup and supplement for global navigation satellite systems. The time synchronization accuracy between stations in the eLoran system has improved, providing conditions for eLoran pseudorange positioning.
Kaiqi Liu   +6 more
doaj   +2 more sources

ELoran Propagation Delay Prediction Model Based on a BP Neural Network for a Complex Meteorological Environment [PDF]

open access: yesSensors, 2023
The core of eLoran ground-based timing navigation systems is the accurate measurement of groundwave propagation delay. However, meteorological changes will disturb the conductive characteristic factors along the groundwave propagation path, especially ...
Shiyao Liu, Wei Guo, Yu Hua, Wudian Kou
doaj   +2 more sources

eLoran: Resilient Positioning, Navigation, and Timing Infrastructure in Maritime Areas [PDF]

open access: yesIEEE Access, 2020
Global navigation satellite system (GNSS) and localization technology have become highly compact and effective. Although GNSS has been proven to be vulnerable to jamming when the signal strength is weak, most vehicles rely on it for navigation.
Pyo-Woong Son   +3 more
doaj   +2 more sources

Enhanced Accuracy Simulator for a Future Korean Nationwide eLoran System [PDF]

open access: yesIEEE Access, 2021
The Global Positioning System (GPS) has become the most widely used positioning, navigation, and timing system. However, the vulnerability of GPS to radio frequency interference has attracted significant attention. After experiencing several incidents of
Joon Hyo Rhee   +3 more
doaj   +3 more sources

ELoran signal message prediction algorithm based on Alexnet‐ECA

open access: yesIET Radar, Sonar & Navigation, 2023
Enhanced Loran (eLoran) is the most important backup system for Global Navigation Satellite System (GNSS). However, most current eLoran demodulation methods are based on digital signal processing, which may produce large errors under the influence of ...
Kai Zhang   +3 more
doaj   +2 more sources

Enhanced Loran System Demodulation for Complex Receive Environments: A Novel Matched Correlation Method Integrating Notch Filtering and Pattern Modulation [PDF]

open access: yesSensors
Demodulation is a key technology for the enhanced Loran (eLoran) system to achieve positioning and timing, and it affects the final performance of the system.
Xiangyi Wang   +5 more
doaj   +2 more sources

An eLoran Signal Cycle Identification Method Based on Joint Time–Frequency Domain [PDF]

open access: yesRemote Sensing, 2022
The eLoran system is an international standardized positioning, navigation, and timing service system, which can complement global navigation satellite systems to cope with navigation and timing warfare. The eLoran receiver measures time-of-arrival (TOA)
Wenhe Yan   +6 more
doaj   +2 more sources

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