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Frequency crosstalk on fiber-optic radio frequency transfer under fiber temperature variation

机译：纤维温度变化下光纤射频传输的频率串扰

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摘要

In fiber-optic radio frequency (RF) transfer systems, frequency crosstalk, which contains fiber-induced phase fluctuations under temperature variation, may arise in measurement and the compensation process and degrade the stability of the transferred RF signal. The impact of frequency crosstalk on RF transfer performance is researched under fiber temperature variation. The stability degradation caused by frequency crosstalk is quantitatively analyzed by simulation. The results indicate that the degradation peak is linearly dependent on the crosstalk factor, and the peak position scales with the inverse of RF frequency on the timeline. An experiment is performed based on an RF transfer system with different crosstalk factors, and the measured results agree well with the simulation. For the specified parameters, we provide quantitative guidance on crosstalk isolation requirement for lossless RF transfer, which has great practical significance in predicting and optimizing the performance of a fiber-optic RF transfer system.
机译：在光纤射频（RF）转移系统中，在测量和补偿过程中可能出现在温度变化下的频率串扰，其中包含在温度变化下的光纤感应波动，并降低转移的RF信号的稳定性。根据纤维温度变化，研究了频率串扰对射频传递性能的影响。通过模拟定量分析由频率串扰引起的稳定性降解。结果表明，降解峰是线性地取决于串扰因子，并且峰值位置在时间线上的RF频率的倒数缩放。基于具有不同串扰因素的RF转移系统进行实验，测量结果与模拟很好。对于指定的参数，我们为无损RF转移的串扰隔离要求提供了定量指导，这在预测和优化光纤RF传输系统的性能方面具有很大的实际意义。

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  • 来源
    《Optical engineering》 |2019年第6期|066117.1-066117.6|共6页
  • 作者

    Heng Wei; Lin Lu; Longqiang Yu; Tao Pu; Xiaoyu Zhao; Juncheng Guo; Baofu Zhang; Chuanxin Wu;

  • 作者单位

    Army Engineering University of PLA Communication Engineering College Nanjing China;

    Army Engineering University of PLA Communication Engineering College Nanjing China;

    Air Force Engineering University Information and Navigation College Xi'an China;

    Army Engineering University of PLA Communication Engineering College Nanjing China;

    Army Engineering University of PLA Communication Engineering College Nanjing China;

    Army Engineering University of PLA Communication Engineering College Nanjing China;

    Army Engineering University of PLA Communication Engineering College Nanjing China;

    Army Engineering University of PLA Communication Engineering College Nanjing China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    frequency crosstalk; fiber-optic; RF transfer performance; fiber temperature variation; isolation requirement;

    机译：频率串扰;光纤;RF转移性能;纤维温度变化;隔离要求;

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