Adaptive suppression method of lidar background noise based on threshold detection

Y Jiang, J Zhu, C Jiang, T Xie, R Liu, Y Wang - Applied Sciences, 2023 - mdpi.com
Background radiation in the LiDAR detection field of view is complex and variable, and the
background noise generated can easily cause false alarms in the receiver, which affects the …

[HTML][HTML] FMCW Laser Ranging System Based on SiON Waveguides and IQ Demodulation Technology

L Zhou, L Zhang, Y Qiu, T Lang, X Ma, T Chen, L Wang - Photonics, 2024 - mdpi.com
This study introduces the design of a nonlinear frequency-modulated continuous wave
(FMCW) laser ranging system. In contrast to the commonly used triangular wave linear …

[PDF][PDF] 基于分层聚合的行道树点云树干检测方法

徐景中, 贾潇冉, 程昭文 - Laser & Optoelectronics Progress, 2023 - researching.cn
摘要行道树是城市绿地景观的重要元素之一, 其检测对城市生态环境研究具有重要意义.
针对移动激光扫描点云树干检测方法适用性低, 检测结果精度低的不足, 提出一种基于分层聚合 …

[PDF][PDF] 脉冲激光飞行时间测距误差补偿技术研究进展

赵旭, 苏中, 李连鹏, 刘福朝, 刘宁… - Laser & Optoelectronics …, 2021 - researching.cn
摘要近年来, 脉冲激光飞行时间测距(TOFR) 是激光测距领域的研究热点, 在工业精密测量,
机器人自主运动, 无人飞行器控制等领域应用广泛. 由于背景噪声, 测量电路电学环境 …

Design of pulse laser multi-echo peak detection circuit

J Yan, Z Jingguo, L Ruqing, L Feng, J Chenghao… - Infrared and Laser …, 2023 - irla.cn
Objective In the application of pulse laser detection, peak detection circuit is usually used to
obtain target intensity information for object detection and recognition. Due to the inherent …

Research progress of real-time sensing LiDAR

J Zhu, F Li, R Liu, C Jiang, T Xie, Z Qiao… - … on Pulsed Lasers …, 2021 - spiedigitallibrary.org
In view of the current booming LiDAR systems and the trends of the future market, this paper
first introduces the mainstream manufacturers in real-time sensing LiDAR, as well as their …

FMCW Lidar and noise analysis of data acquisition signal chain

S Zhao, Y Wang, M Zhang, L Qin, J Song, L Wang - 2023 - ir.ciomp.ac.cn
摘要 The analog/digital acquisition module for intermediate frequency (IF) signal acquisition
is the fundamental component of frequency-modulated continuous-wave (FMCW) lidar …