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- Title
Sky–ground wave signal separation in enhanced Loran based on Levenberg–Marquart algorithm.
- Authors
Zhao, Zhenzhu; Liu, Jiangfan; Zhang, Jinsheng; Xi, Xiaoli
- Abstract
This study proposes a high‐precision algorithm used in enhanced Loran sky–ground wave separation based on the Levenberg–Marquart algorithm. The simulation results show that, compared with the existing algorithms, the algorithm proposed in this study has higher accuracy, especially in the case of a low signal‐to‐noise ratio. Furthermore, when the skywave of enhanced Loran has at least a 35 μs time delay compared with the groundwave, the performance of the algorithm is significantly better than that of other algorithms. Analysis of an actual signal showed that the average correlation coefficient was greater than 99% and that the signal was successfully separated.
- Subjects
LORAN; ELECTROMAGNETIC wave propagation; IONOSPHERIC electromagnetic wave propagation; SIGNAL processing; ALGORITHMS
- Publication
IET Radar, Sonar & Navigation (Wiley-Blackwell), 2022, Vol 16, Issue 1, p1
- ISSN
1751-8784
- Publication type
Article
- DOI
10.1049/rsn2.12036