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Volume 25 Issue 新刊5
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2017  >  25(新刊5): 443-447
AN Rui, HE Zhong-ping, SHI Xian-lin. FEM Based Analysis on Target Signal of Phase Modulated by Pseudoran-dom Code for Torpedo Electromagnetic Fuze[J]. Journal of Unmanned Undersea Systems, 2017, 25(新刊5): 443-447. doi: 10.11993/j.issn.2096-3920.2017.05.008
Citation: AN Rui, HE Zhong-ping, SHI Xian-lin. FEM Based Analysis on Target Signal of Phase Modulated by Pseudoran-dom Code for Torpedo Electromagnetic Fuze[J]. Journal of Unmanned Undersea Systems, 2017, 25(新刊5): 443-447. doi: 10.11993/j.issn.2096-3920.2017.05.008
shu

FEM Based Analysis on Target Signal of Phase Modulated by Pseudoran-dom Code for Torpedo Electromagnetic Fuze

doi: 10.11993/j.issn.2096-3920.2017.05.008

  • Kunming Branch of the 705 Research Institute, China Shipbuilding Industry Corporation, Kunming 650106, China

  • Received Date: 2017-04-20
  • Rev Recd Date: 2017-06-26
  • Publish Date: 2017-12-20
    Abstract
  • Phase modulated by pseudorandom code(PM-PC) signal has such advantages as strong anti-interference ability, concealment, and weak interaction with each other. In this paper, the software Ansoft is adopted to perform three-dimensional modeling of fuze passing target motion process in the scale of 1:1 and finite element calculation of the electromagnetic field. Consequently, the simulated waveform data of PM-PC target signal of electromagnetic fuze is achieved. The target signal amplitude and phase characteristics, especially the formation principle of phase jump, are analyzed in detail. According to the simulation results, obvious target signal envelope is successfully detected in land test, which verifies the correctness of the present analysis. This research may provide the basis for application of PM-PC signal to torpedo electromagnetic fuze and target detection.

     

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