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Updated: Jun 29, 2025

Methods for Measuring the Orientation and Rotation Rate of 3D-printed Particles in Turbulence
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3D平行脉冲混沌激光雷达系统 LiDAR 系统

Wei Xiong, Qingsong Bai, Yuqi Hu

    Optics express
    |April 4, 2024
    PubMed
    概括
    此摘要是机器生成的。

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    我们使用芯片规模技术开发了一种并行脉冲混沌光检测和测距 (LiDAR) 系统. 这种先进的LiDAR系统为3D成像应用提供了高峰功率,并行性和卓越的抗干扰功能.

    科学领域:

    • 光子学和光学工程的工程.
    • 传感和成像技术 传感和成像技术

    背景情况:

    • 传统的光检测和测距 (LiDAR) 系统在分辨率,速度和防干扰能力方面面临限制.
    • 为LiDAR应用程序生成高峰功率脉冲信号仍然是一个挑战.

    研究的目的:

    • 提出并实验证明一种新的并行脉冲混沌LiDAR系统.
    • 为了利用芯片规模的化微复原器来产生混乱的微组合器.
    • 在像素数量,成像分辨率和防干扰方面提高LiDAR性能.

    主要方法:

    • 使用芯片规模的Si3N4微共振器生成混乱的微.
    • 通过声光调制器将连续波混沌微转换为脉冲混沌微.
    • 实施4米3D成像实验,使用微电力镜进行激光扫描.

    主要成果:

    • 与连续波平行混乱 LiDAR 相比,平行脉冲混乱 LiDAR 系统在 -6 dBm 传输功率下实现了两倍的像素检测率.
    • 在10 dBm的传输功率下获得了11 cm x 10 cm高分辨率的30 x 50 像素图像.
    • 该系统表现出强大的抗干扰能力,能够承受高达15dB的干扰.

    结论:

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  • 拟议的并行脉冲混沌LiDAR系统在性能和稳定性方面提供了显著的优势.
  • 这项技术对于需要高分辨率和防干扰的先进3D成像和传感应用具有前景.