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首页> 外文期刊>Optics Letters >Analog radio-over-fiber links with a high SFDR for passive distributed antenna system applications using Lagrange multiplier optimization
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Analog radio-over-fiber links with a high SFDR for passive distributed antenna system applications using Lagrange multiplier optimization

机译:模拟无线电磁光纤链路具有高SFDR的用于无源分布式天线系统应用,使用拉格朗日乘法器优化

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摘要

An analog radio-over-fiber scheme with a high spurious-free dynamic range (SFDR) is proposed for constructing a passive distributed antenna system (DAS). By developing a Lagrange multiplier constrained optimization model, the best trade-off among RF output power, the polarization incident angle, and the RF power ratio is obtained.. Consequently, the third-order intermodulation distortion and second-order harmonic distortion can be suppressed. simultaneously simply by varying the polarization incident angle. The simulated and experimental results show that the proposed scheme is effective and feasible. Additionally, this Letter offers valuable insights into the nonlinear optimization, and it may be of great significance in future design and manufacture. (C) 2021 Optical Society of America
机译:提出了一种具有高无杂散动态范围(SFDR)的模拟光纤无线电方案,用于构建无源分布式天线系统(DAS)。通过建立拉格朗日乘子约束优化模型,得到了射频输出功率、偏振入射角和射频功率比之间的最佳折衷。。因此,可以抑制三阶互调失真和二阶谐波失真。同时简单地改变偏振入射角。仿真和实验结果表明,该方案是有效可行的。此外,这封信为非线性优化提供了有价值的见解,对未来的设计和制造可能具有重要意义。(2021)美国光学学会

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  • 来源
    《Optics Letters》 |2021年第3期|共4页
  • 作者单位

    Northwestern Polytech Univ Sch Elect &

    Informat Xian 710072 Peoples R China;

    Northwestern Polytech Univ Sch Elect &

    Informat Xian 710072 Peoples R China;

    Northwestern Polytech Univ Sch Elect &

    Informat Xian 710072 Peoples R China;

    CAST Xian Natl Key Lab Sci &

    Technol Space Microwave Xian 710100 Peoples R China;

    CAST Xian Natl Key Lab Sci &

    Technol Space Microwave Xian 710100 Peoples R China;

    Northwestern Polytech Univ Sch Elect &

    Informat Xian 710072 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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