Scannerless laser active imaging validating system by directly ranging

XU Zheng-ping; SHEN Hong-hai; YAO Yuan; LI Gang; SONG Yu-long; LI Hai-xing; SUN He; SHI Lei

doi:10.3788/OPE.20162402.0251

您当前的位置：

首页 >

文章列表页 >

Scannerless laser active imaging validating system by directly ranging

更新时间：2020-08-13

- Scannerless laser active imaging validating system by directly ranging
- Optics and Precision Engineering Vol. 24, Issue 2, Pages: 251-259(2016)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所航空光学成像与测量重点实验室, 吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162402.0251
  CLC： P225.2;TN249
- Received：13 July 2015，
  
  Revised：08 September 2015，
  
  Published：25 February 2016
- 稿件说明：
移动端阅览
徐正平, 沈宏海, 姚园等. 直接测距型无扫描激光主动成像验证系统[J]. 光学精密工程, 2016,24(2): 251-259

XU Zheng-ping, SHEN Hong-hai, YAO Yuan etc. Scannerless laser active imaging validating system by directly ranging[J]. Editorial Office of Optics and Precision Engineering, 2016,24(2): 251-259
徐正平, 沈宏海, 姚园等. 直接测距型无扫描激光主动成像验证系统[J]. 光学精密工程, 2016,24(2): 251-259 DOI： 10.3788/OPE.20162402.0251.

XU Zheng-ping, SHEN Hong-hai, YAO Yuan etc. Scannerless laser active imaging validating system by directly ranging[J]. Editorial Office of Optics and Precision Engineering, 2016,24(2): 251-259 DOI： 10.3788/OPE.20162402.0251.

摘要

为提高成像效率

研究了基于雪崩光电二极管(APD)阵列和分束照明的直接测距型无扫描激光主动成像系统。系统采用脉冲激光器作为光源

通过测量激光脉冲飞行时间来获取目标距离信息;基于达曼光栅进行分束照明以提高能量利用率。另外

光学系统采用收发共孔径结构

保证了目标处激光脚点和APD阵列各像元的几何对准。与参考APD所采用固定阈值时刻鉴别法不同

系统采用固定阈值与恒比定时相结合的时刻鉴别法处理回波APD阵列的输出信号以适应外光路参数的变化。各通道采用专用计时芯片TDC-GP22测量启停脉冲之间的时间间隔

实现了45 ps的计时分辨率。最后

将19 m和31 m处放置的两个角反射器作为合作目标进行了成像实验

并给出了所获取的距离图像。结果表明:两个目标的平均距离分别为19.28 m和31.54 m

测距误差分别为0.28 m和0.54 m

显示提出的设计方案切实可行。

Abstract

To enhance imaging efficiency

a scannerless laser active imaging system by directly ranging was explored on the basis of an Avalanche Photo Diode(APD) array and a splitting beam illuminating method. A pulse laser was selected to be a light source

and the distant information of a target was obtained by measuring the time-of-flight of laser. A Dammann grating was used for illuminating by splitting beams to improve the usage efficiency of laser energy. Furthermore

a transceiving optical system with a common aperture was adapted to ensure the geometrical alignment between laser foot-prints and pixels of the APD array. Different from the constant threshold discriminator used in reference APD

a time discrimination method in combination of the constant threshold discriminator and the constant fraction discriminator was used to process the echo signal from APD array and to adapt the parametric variation of optical path. Moreover

dedicated time-detecting chip TDC-GP22 was used for each channel to test the interval between starting and stopping pulses

and to obtain the timing resolution of 45 ps.At last

an imaging experiment was conducted by choosing two corner reflectors respectively located in the distance of 19 m and 31 m as cooperative targets and the distant images were given. Result shows that the average distances of the two targets are 19.28 m and 31.54 m

respectively

and the distant errors are 0.28 m and 0.54 m. It concludes that the optical system and design method proposed are feasibility.

关键词

Keywords

references

施智勇,潘晓声,张谦. 利用延时法进行高精度脉冲激光测距[J]. 光学精密工程, 2014,22(2):252-258. SHI ZH Y,PAN X SH,ZHANG Q. High-precision pulsed laser measuring distance by time delay method[J]. Opt. Precision Eng., 2014,22(2):252-258.(in Chinese)

徐正平,沈宏海,许永森. 直接测距型激光主动成像系统发展现状[J]. 中国光学, 2015,8(1):28-38. XU ZH P,SHEN H H,XU Y S. Review of the development of laser active imaging system with direct ranging[J]. Chinese Optics, 2015,8(1):28-38.(in Chinese)

王灿进,孙涛,石宁宁,等. 基于双隐含层BP算法的激光主动成像识别系统[J]. 光学精密工程, 2014,22(6):1639-1647. WANG C J,SUN T,SHI N N,et al.. Laser active imaging and recognition system based on double hidden layer BP algorithm[J]. Opt. Precision Eng., 2014,22(6):1639-1647.(in Chinese)

张军强,谢飞,薛庆生,等. 基于四象限探测器的激光导引镜头的研制[J]. 中国光学, 2015,8(3):471-479. ZHANG J Q,XIE F,XUE Q SH,et al.. Laser guided lens based on four-quadrant detector[J]. Chinese Optics, 2015,8(3):471-479.(in Chinese)

严洁,阮友田,薛珮瑶. 主被动光学图像融合技术研究[J]. 中国光学, 2015,8(3):378-385. YAN J,RUAN Y T,XUE P Y. Active and passive optical image fusion technology[J]. Chinese Optics, 2015,8(3):378-385.(in Chinese)

SAVAGE J,HARRINGTON W,MCKINLEY R A. 3D-LZ helicopter ladar imaging system[J]. SPIE,2010,7684:768407.

GSCHWENDTNER A B,KEICHER W E. Development of coherent laser radar at Lincoln laboratory[J]. Lincoln Laboratory Journal,2000,12(2):383-396.

ALBOTA M A,AULL B F,FOUCHE D G,et al.. Three-dimensional imaging laser radars with Geiger-mode avalanche photodiode arrays[J]. Lincoln Laboratory Journal,2002,13(2):351-370.

杨名宇. 利用激光主动探测技术实现光电窥视设备检测[J]. 中国光学, 2015,8(2):255-262. YANG M Y. Detecting of photoelectric peeping devices based on active laser detection[J]. Chinese Optics, 2015,8(2):255-262.(in Chinese)

刘立生,张合勇,王挺峰,等. 激光外差探测对振动目标多普勒频谱成像[J]. 光学精密工程, 2015,23(6):1508-1515. LIU L SH,ZHANG H Y,WANG T F,et al.. Doppler spectrum imaging of vibrating target using laser heterodyne detection[J]. Opt. Precision Eng., 2015,23(6):1508-1515.(in Chinese)

FEYGELS V I,PARK J Y,WOZENCRAFT J,et al.. CZMIL(Coastal Zone Mapping and Imaging Lidar):from first flights to first mission through system validation[J]. SPIE,2013,8724:87240A.

王飞,汤伟,王挺峰,等. 8×8APD阵列激光三维成像接收机研制[J]. 中国光学, 2015,8(3):422-427. WANG F,TANG W,WANG T F,et al.. Design of 3D laser imaging receiver based on 8×8APD detector array[J]. Chinese Optics, 2015,8(3):422-427.(in Chinese)

MARINO R M,DAVIS W R. Jigsaw:a foliage-penetrating 3D imaging laser radar system[J]. Lincoln Laboratory Journal,2005,15(1):23-36.

胡春生. 脉冲半导体激光器高速三维成像激光雷达研究[D]. 长沙:国防科学技术大学, 2005. HU CH SH. Investigation into the High-speed Pulsed Laser Diode 3D-imaging Ladar[D]. Changsha:National University of Defense Technology, 2005.(in Chinese)

王建宇,洪光烈,卜弘毅,等. 机载扫描激光雷达的研制[J]. 光学学报, 2009,29(9):2584-2589. WANG J Y,HONG G L,BU H Y, et al.. Study on airborne scanning ladar[J]. Acta Optica Sinica, 2009,29(9):2584-2589.(in Chinese)

GUO Y,HUANG G H,SHU R. 3D imaging laser radar using Geiger-mode APDs[J]. SPIE,2010,7684:768402.

朱静浩. 阵列APD无扫描激光雷达非均匀性的分析与实验研究[D]. 哈尔滨:哈尔滨工业大学, 2013. ZHU J H. Analysis and Experimental Research on Non-uniformity of Non-scanning Ladar Based on APD Arrays[D]. Harbin:Harbin Institute of Technology, 2013.(in Chinese)

张勇,曹喜滨,吴龙,等. 小面阵块扫描激光成像系统实验研究[J]. 中国激光, 2013,40(8):0814001. ZHANG Y,CAO X B,WU L, et al.. Experimental research on small scale risley prime scanning imaging laser radar system[J]. Chinese Journal of Lasers, 2013,40(8):0814001.(in Chinese)

罗远,贺岩,胡善江,等. 基于声光扫描的三维视频激光雷达技术[J]. 中国激光, 2014,41(8):0802005. LUO Y,HE Y,HU SH J, et al.. Three-dimensional video imaging lidar system based on acousto-optic laser scanning[J]. Chinese Journal of Lasers, 2014,41(8):0802005.(in Chinese)

徐正平,沈宏海,许永森,等. 激光成像系统高精度目标距离和强度信息提取[J]. 红外与激光工程,2014,43(8):2668-2672. XU ZH P,SHEN H H,XU Y S,et al.. Target-distance and intensity information detecting with high precision in laser imaging system[J]. Infrared and Laser Engineering,2014,43(8):2668-2672.(in Chinese)

陈慧敏,刘新阳. 收发同轴脉冲激光引信在水雾中的后向散射偏振特性[J]. 光学精密工程, 2015,23(3):626-632. CHEN H M,LIU X Y. Backscattering polarization characteristics of pulsed laser fuse with coaxial optical system in water fog[J]. Opt. Precision Eng., 2015,23(3):626-632.(in Chinese)

Views

762

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Performance verification of staring laser active imaging system

Assessment of laser-dazzling effects based on laser spot and target features

Laser active imaging and recognition system based on double hidden layer BP algorithm

Multiframe postprocessing algorithm of laser active imaging images

Related Author

Yong-sen XU

Yuan YAO

Gang LI

Lei SHI

He SUN

Xiao YU

Hong-hai SHEN

Zheng-ping XU

Related Institution

Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences

Key Laboratory of Airborne Optical Imaging and Measurement, Chinese Academy of Sciences

State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences

University of Chinese Academy of Sciences

Beijing Aerospace Automatic Control Institute

AI问答

Address：No.3888 Dong Nanhu Road, Changchun, Jilin, China Postal code：130033
Tel：0431-86176855 Email：gxjmgc@ciomp.ac.cn
Technical support is provided by Beijing Founder electronics co., LTD 吉ICP备11002662号-17 京公网安备11010802024621
It is recommended to read the content of this site in Chrome&IE9+. Please switch to extreme mode in browser 360.
Cookies We use cookies to help provide and enhance our service and tailor content. By continuing, you agree to the use of cookies.

⁰