编码双重复率单光子激光雷达分析

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2024-09-24 DOI:10.1016/j.optcom.2024.131148

Yixin Zhao , Yuan Tian , Xuan Zhang , Meilin Xie , Wei Hao , Xiuqin Su

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引用次数: 0

摘要

单光子光探测和测距（激光雷达）因其单光子灵敏度和皮秒级的时间分辨率而被广泛用于远距离测距。然而，无论目标是静态的还是动态的，要在短时间内对远距离目标进行高精度测距仍然是一个巨大的挑战。因为现有的远距离单光子测距技术都存在不可忽视的缺点：编码信号测距（CSSR）计算时间长，多重复率测距（MRRSR）技术精度低。因此，提出了编码多重复率单光子测距（CMSPR）方法，以较短的计算时间实现高精度测距。并提出了具有相邻编码长度的编码双重复率单光子测距（CDSPR）系统，简化了求解过程，可直接得到解析解。此外，为了进一步提高 CDSPR 的性能，还提出了基于编码技术的数据集中方法（DCM），这是一种基于 CDSPR 特性的数据预处理方法。结果表明，采用 DCM 的 CDSPR 能以更少的计算时间提供更高的测距误差。

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Analysis of coded dual-repetition rate single-photon LIDAR

Single-photon Light Detection and Ranging (Lidar) has been widely used for long-range ranging due to its single-photon sensitivity and picosecond timing resolution. However, it is still a great challenge to range long-range targets with high accuracy in a short time regardless of whether target is static or dynamic. It is because that the existing long-range single-photon ranging techniques both have non-negligible drawbacks: Coded Signal Ranging (CSSR) with long computation time and Multi-Repetition Rate Ranging (MRRSR) technology with low accuracy. Therefore, the coded multi-repetition rate single-photon ranging (CMSPR) method is proposed to achieve high-accuracy ranging with a short computation time. And coded dual-repetition rate single-photon ranging (CDSPR) system with neighboring coding lengths is proposed to simplify the solution process, which can directly have analytical solutions. Besides, the data centralization method (DCM) based on the coding technique is proposed to further enhance the performance of CDSPR, which is a data pre-processing method based on the characteristics of CDSPR. Results show that CDSPR with DCM can provide a higher ranging error with less computation time.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.