A Method Combining Mobile Transmissometer and Lidar for High Precision Measurement of Visibility

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Journal Pub Date : 2024-06-11 DOI:10.1109/JPHOT.2024.3410293

Meng Li;Guojin Wang

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引用次数: 0

Abstract

High precision measurement of visibility has wide applications in the fields of civil aviation and maritime transportation. However, for a long time, the non-uniform of the atmosphere and optical contamination under low visibility have always been important issues affecting the measurement accuracy of visibility. This paper proposes a novel method that combines a mobile transmissometer with Lidar, which can not only accurately measure visibility in non-uniform atmospheric environments, but also effectively suppress environmental contamination by using the method of single end sampling. In this method, the mobile transmissometer is coupled with the Lidar at its baseline end, thereby effectively improving the Lidar measurement accuracy with the high-precision measurement results of the mobile transmissometer. The experimental and simulation results demonstrate that this method has better performances of anti noise and optical contamination suppression, compared to traditional Lidar and atmospheric transmissometer. It can achieve high-precision visibility measurement in a large range of non-uniform atmospheric environments, and also exhibits good robustness in low visibility environments.

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结合移动透射仪和激光雷达的高精度能见度测量方法

高精度能见度测量在民航和海运领域有着广泛的应用。然而，长期以来，低能见度下大气的不均匀性和光学污染一直是影响能见度测量精度的重要问题。本文提出了一种将移动透射仪与激光雷达相结合的新方法，不仅能在非均匀大气环境下精确测量能见度，还能利用单端采样的方法有效抑制环境污染。在这种方法中，移动式透射仪的基线端与激光雷达耦合，从而利用移动式透射仪的高精度测量结果有效提高了激光雷达的测量精度。实验和模拟结果表明，与传统激光雷达和大气透射仪相比，这种方法具有更好的抗噪声和光学污染抑制性能。它可以在大范围的非均匀大气环境中实现高精度能见度测量，在低能见度环境中也表现出良好的鲁棒性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

4.50

自引率

8.30%

发文量

489

审稿时长

1.4 months

期刊介绍： Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.