A double threshold correction method for walk error in pulsed laser ranging system

被引：12

作者：

Yang, Jinqing ^{[1
]}

Liu, Xiaolei ^{[2
]}

Gu, Guohua ^{[1
]}

Qian, Weixian ^{[1
]}

Ren, Kan ^{[1
]}

Zhang, Jun ^{[1
]}

Guo, Pingping ^{[1
]}

Gao, Qingsong ^{[3
]}

Chen, Qian ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Jiangsu Key Lab Spectral Imaging & Intelligent Se, Nanjing 210094, Jiangsu, Peoples R China

[2] China Acad Space Technol, Inst Spacecraft Syst Engn, Beijing 100094, Peoples R China

[3] Nanjing Changfeng Aerosp Elect Technol Co Ltd, Nanjing 211800, Jiangsu, Peoples R China

来源：

INFRARED PHYSICS & TECHNOLOGY | 2019年 / 100卷

基金：

中国国家自然科学基金;

关键词：

Laser ranging; Walk error; Numerical analysis; Double threshold correction; RECEIVER;

D O I：

10.1016/j.infrared.2019.03.023

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In pulsed laser ranging system, the influence of nonlinear time walk error is inevitable, especially for the fixed-gain receiver channel. Thus, to correct the walk error involved, the alternative method of leading-edge time discrimination for time interval measurement is adopted first and the compensation principle based on the double threshold correction is proposed in this paper. Firstly, the time domain equations are introduced, which is related to bipolar transistor Gummel-Poon (GP) model and circuit structure, and then simplified by numerical analysis. Secondly, by comparison, the important terms in the equations are retained, and then the relationship between the rise time, which can be regarded as the walk error, and the input amplitude is solved. Finally, based on this relationship, the double threshold correction method is given and corrected experimentally which indicates that the walk error can be greatly reduced to 0.337 ns.

引用

页码：28 / 36

页数：9

共 50 条

[1] Error correction model based on echo power in pulsed laser ranging system
Yang, Jinqing
Gu, Guohua
Qian, Weixian
Zhang, Jun
Liu, Zewei
Gao, Qingsong
[J]. INFRARED SENSORS, DEVICES, AND APPLICATIONS VIII, 2018, 10766
[2] Theoretical model and correction method of range walk error for single-photon laser ranging
Ke, Huang
Song, Li
Yue, Ma
Xin, Tian
Hui, Zhou
Zhang Zhi-Yu
[J]. ACTA PHYSICA SINICA, 2018, 67 (06)
[3] THRESHOLD DETECTION IN PULSED LASER RANGING
IYER, RS
[J]. APPLIED OPTICS, 1976, 15 (06): : 1349 - 1350
[4] A Method of Range Walk Error Correction in SiPM LiDAR with Photon Threshold Detection
Yang, Runze
Tang, Yumei
Fu, Zeyu
Qiu, Jian
Liu, Kefu
[J]. PHOTONICS, 2022, 9 (01)
[5] Atmospheric Error Correction of the Laser Beam Ranging
Saydi, J.
Lotfalian, A.
Abedi, M.
Khalilzadeh, J.
Saghafifar, H.
[J]. ADVANCES IN METEOROLOGY, 2014, 2014
[6] A correction method of encoder bias in satellite laser ranging system
Wang Peiyuan
Zhu Wei
Zou Tong
Guo Tangyong
[J]. Geodesy and Geodynamics, 2013, 4 (03) : 61 - 64
[7] A correction method of encoder bias in satellite laser ranging system
Wang Peiyuan
Zhu Wei
Zou Tong
Guo Tangyong
[J]. GEODESY AND GEODYNAMICS, 2013, 4 (03) : 61 - 64
[8] A correction method of encoder bias in satellite laser ranging system
Wang Peiyuan
Zhu Wei
Zou Tong
Guo Tangyong
[J]. Geodesy and Geodynamics, 2013, (03) : 61 - 64
[9] Laser ranging method based on dual-threshold echo pulse prediction and correction
Liu, Zijian
Tao, Min
Yu, Qi
Song, Junfeng
Gao, Zhen
Su, Gang
Wang, Ziming
Li, Chengming
[J]. MEASUREMENT SCIENCE AND TECHNOLOGY, 2023, 34 (11)
[10] Method for reducing ranging error by using error coefficient in ranging system
Ge Jiacheng
[J]. 2020 INTERNATIONAL SYMPOSIUM ON AUTONOMOUS SYSTEMS (ISAS), 2020, : 105 - 108

← 1 2 3 4 5 →