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Abstract <p>Numerical simulation is used to compare two methods for measuring power of wideband electromagnetic noise in experimental facilities with high-current relativistic electron beams formed by explosive-emission cathodes. The simulation shows that the difference in the experimental results by two orders of magnitude—several megawatts for pulses with a duration of few nanoseconds and tens of kilowatts for pulses with a duration of hundreds of nanoseconds—arises from the nature of the noise itself at different stages of the explosive-emission cathode operation rather than from difference of the measurement methods.</p>

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On Noise Power in High-Current Relativistic Electron Beams Formed by Explosive-Emission Cathodes

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • I. L. Bogdankevich,
  • S. E. Andreev,
  • O. T. Loza,
  • K. V. Mal’chik

摘要

Abstract

Numerical simulation is used to compare two methods for measuring power of wideband electromagnetic noise in experimental facilities with high-current relativistic electron beams formed by explosive-emission cathodes. The simulation shows that the difference in the experimental results by two orders of magnitude—several megawatts for pulses with a duration of few nanoseconds and tens of kilowatts for pulses with a duration of hundreds of nanoseconds—arises from the nature of the noise itself at different stages of the explosive-emission cathode operation rather than from difference of the measurement methods.