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基于SBS的高性能短暂微波测量,使用高率调制和先进的算法.

Henan Wang, Yongkang Dong

    Optics letters
    |June 15, 2023
    PubMed
    概括

    先进的算法显著提高了微波频率识别,使用光学链 (OCC) 技术和短暂刺激布里卢恩散射 (SBS). 这提高了实时跟踪应用程序的解调精度和效率.

    科学领域:

    • 光子学和光学 在光子学和光学.
    • 信号处理 信号处理
    • 人工智能的人工智能

    背景情况:

    • 具有光学链 (OCC) 技术的短暂刺激布里卢恩散射 (SBS) 为微波频率识别提供了高时间分辨率.
    • 增加OCC声率会扩大瞬间带宽,但会导致光谱不对称,从而降低传统的调制精度.
    • 当前的方法在处理短暂的SBS光谱中的高声率时,难以准确.

    研究的目的:

    • 为了提高微波频率识别的准确性和效率,使用短暂的SBS和OCC技术.
    • 为了克服传统的装配方法在高声率引起的不对称的短暂Brillouin光谱的调节方面的局限性.
    • 为实时微波跟踪开发高性能测量方案.

    主要方法:

    • 实施使用光学链 (OCC) 技术的微波频率测量方案.
    • 应用先进的算法,包括图像处理和人工神经网络,用于光谱分析.
    • 采用矩阵计算来实现高效的数据处理和调节.

    主要成果:

    • 实现了4 GHz即时带宽,具有100 ns的时间分辨率.
    • 改进了从9.85MHz到1.17MHz的调节精度,用于在50MHz/ns的声速率下暂时的布里卢恩光谱.
    • 由于矩阵计算,与传统的装配方法相比,时间消耗减少了两倍.

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    结论:

    • 先进的算法显著提高了基于OCC短暂SBS的微波测量的准确性和效率.
    • 拟议的方法可以实现高性能,实时的微波跟踪.
    • 这项研究为需要精确微波分析的各种应用领域开辟了新的可能性.