Research on ELoran Demodulation Algorithm Based on Multiclass Support Vector Machine
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| Publicado no: | Remote Sensing vol. 16, no. 17 (2024), p. 3349 |
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| Autor principal: | |
| Outros Autores: | , , , , , , |
| Publicado em: |
MDPI AG
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| Acesso em linha: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| 022 | |a 2072-4292 | ||
| 024 | 7 | |a 10.3390/rs16173349 |2 doi | |
| 035 | |a 3104044637 | ||
| 045 | 2 | |b d20240101 |b d20241231 | |
| 084 | |a 231556 |2 nlm | ||
| 100 | 1 | |a Liu, Shiyao |u National Time Service Center, Chinese Academy of Sciences, Xi’an 710600, China; Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi’an 710600, China | |
| 245 | 1 | |a Research on ELoran Demodulation Algorithm Based on Multiclass Support Vector Machine | |
| 260 | |b MDPI AG |c 2024 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a Demodulation and decoding are pivotal for the eLoran system’s timing and information transmission capabilities. This paper proposes a novel demodulation algorithm leveraging a multiclass support vector machine (MSVM) for pulse position modulation (PPM) of eLoran signals. Firstly, the existing demodulation method based on envelope phase detection (EPD) technology is reviewed, highlighting its limitations. Secondly, a detailed exposition of the MSVM algorithm is presented, demonstrating its theoretical foundations and comparative advantages over the traditional method and several other methods proposed in this study. Subsequently, through comprehensive experiments, the algorithm parameters are optimized, and the parallel comparison of different demodulation methods is carried out in various complex environments. The test results show that the MSVM algorithm is significantly superior to traditional methods and other kinds of machine learning algorithms in demodulation accuracy and stability, particularly in high-noise and -interference scenarios. This innovative algorithm not only broadens the design approach for eLoran receivers but also fully meets the high-precision timing service requirements of the eLoran system. | |
| 653 | |a Receivers & amplifiers | ||
| 653 | |a Machine learning | ||
| 653 | |a Back up systems | ||
| 653 | |a Accuracy | ||
| 653 | |a Decoding | ||
| 653 | |a Error correction & detection | ||
| 653 | |a Support vector machines | ||
| 653 | |a Pulse position modulation | ||
| 653 | |a Signal processing | ||
| 653 | |a Algorithms | ||
| 653 | |a Codes | ||
| 653 | |a Information processing | ||
| 653 | |a Demodulation | ||
| 700 | 1 | |a Baorong Yan |u National Time Service Center, Chinese Academy of Sciences, Xi’an 710600, China; Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi’an 710600, China | |
| 700 | 1 | |a Guo, Wei |u National Time Service Center, Chinese Academy of Sciences, Xi’an 710600, China; Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi’an 710600, China | |
| 700 | 1 | |a Yu, Hua |u National Time Service Center, Chinese Academy of Sciences, Xi’an 710600, China; Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi’an 710600, China | |
| 700 | 1 | |a Zhang, Shougang |u National Time Service Center, Chinese Academy of Sciences, Xi’an 710600, China; University of Chinese Academy of Sciences, Beijing 100039, China; Key Laboratory of Time and Frequency Standards, Chinese Academy of Sciences, Xi’an 710600, China | |
| 700 | 1 | |a Lu, Jun |u School of Software Engineering, Chengdu University of Information Technology, Chengdu 610225, China | |
| 700 | 1 | |a Xu, Lu |u School of Software Engineering, Chengdu University of Information Technology, Chengdu 610225, China | |
| 700 | 1 | |a Yang, Dong |u Sichuan Meteorological Service Centre, Chengdu 610072, China | |
| 773 | 0 | |t Remote Sensing |g vol. 16, no. 17 (2024), p. 3349 | |
| 786 | 0 | |d ProQuest |t Advanced Technologies & Aerospace Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3104044637/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/3104044637/fulltextwithgraphics/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3104044637/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |