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Research on Intelligent Electromagnetic Spectrum Recognition Method Based on Digital Channelization and Accurate Reconstruction
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Haochuan CHEN1, Xuemei CHU1, Lianghai LI2, Zhenhua ZHANG3, Dongxia LI1
Journal of Telemetry, Tracking and Command | 2024, 45(5) : 100 - 108
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Journal of Telemetry, Tracking and Command | 2024, 45(5): 100-108
• Radar and Countermeasures •
Research on Intelligent Electromagnetic Spectrum Recognition Method Based on Digital Channelization and Accurate Reconstruction
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Haochuan CHEN1, Xuemei CHU1, Lianghai LI2, Zhenhua ZHANG3, Dongxia LI1
Affiliations
  • 1.Beijing Research Institute of Telemetry, Beijing 100076, China
  • 2.China Aerospace Electronics Technology Research Institute, Beijing 100094, China
  • 3.Beihang University, Beijing 100191, China
Published: 2024-09-15 doi: 10.12347/j.ycyk.20240313001
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Digital channelization technology is often used for broadband electromagnetic signal reception. When its analysis filter banks and comprehensive filter banks have precise reconstruction characteristics,accurate reconstruction of the received signal can be achieved. For the electromagnetic spectrum recognition problem in the field of complex electromagnetic environment perception,it is necessary to accurately restore the electromagnetic signal received by the receiver and perform spectrum recognition based on the accurately restored signal. The article proposes an intelligent electromagnetic spectrum recognition technology based on precise reconstruction of digital channelization. Firstly, a digital channelized receiver structure that can achieve precise signal reconstruction is constructed. Then,wavelet analysis is used to construct a time-frequency waterfall diagram of the signal,and artificial intelligence processing is performed based on this graph to achieve electromagnetic spectrum recognition. Finally,simulation results are provided. The simulation results in the article demonstrate the correctness and effectiveness of the method.

Digital channelization  /  Accurate Reconstruction  /  Intelligent Electromagnetic Recognition
Haochuan CHEN, Xuemei CHU, Lianghai LI, Zhenhua ZHANG, Dongxia LI. Research on Intelligent Electromagnetic Spectrum Recognition Method Based on Digital Channelization and Accurate Reconstruction[J]. Journal of Telemetry, Tracking and Command, 2024 , 45 (5) : 100 -108 . DOI: 10.12347/j.ycyk.20240313001
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Year 2024 volume 45 Issue 5
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Article Info
doi: 10.12347/j.ycyk.20240313001
  • Receive Date：2024-03-13
  • Online Date：2026-03-20
  • Published：2024-09-15
Article Data
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History
  • Received：2024-03-13
  • Revised：2024-04-16
Affiliations
    1.Beijing Research Institute of Telemetry, Beijing 100076, China
    2.China Aerospace Electronics Technology Research Institute, Beijing 100094, China
    3.Beihang University, Beijing 100191, China
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