Design of narrow pulse echo signal acquisition system of laser radar

YANG Teng-jiao; SHI Jian-ye; DING Shang; YE Ling-yun

doi:10.13873/J.1000-9787(2015)08-0076-04

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Design of narrow pulse echo signal acquisition system of laser radar

更新时间：2025-09-11

- Design of narrow pulse echo signal acquisition system of laser radar
- Vol. 34, Issue 8, Pages: 76-79(2015)
- 作者机构：
  
  浙江大学生物医学工程与仪器学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2015)08-0076-04
  CLC： TP274.2
- Published：2015
- 稿件说明：
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[1]杨腾蛟,史建业,丁尚,叶凌云.激光雷达窄脉冲回波信号采集系统设计[J].传感器与微系统,2015,34(08):76-79.

YANG Teng-jiao, SHI Jian-ye, DING Shang, et al. Design of narrow pulse echo signal acquisition system of laser radar[J]. 2015, 34(8): 76-79.
[1]杨腾蛟,史建业,丁尚,叶凌云.激光雷达窄脉冲回波信号采集系统设计[J].传感器与微系统,2015,34(08):76-79. DOI： 10.13873/J.1000-9787(2015)08-0076-04.

YANG Teng-jiao, SHI Jian-ye, DING Shang, et al. Design of narrow pulse echo signal acquisition system of laser radar[J]. 2015, 34(8): 76-79. DOI： 10.13873/J.1000-9787(2015)08-0076-04.

摘要

激光雷达发射出窄脉冲激光信号

在照射到目标物体后产生回波

由雪崩型光电传感器将其转换为电脉冲信号。针对该ns级电脉冲

提出8GSPS高速并行采样方案与通道校正方案。仿真与实验结果表明:雪崩型光电传感器具备良好的窄脉冲响应能力

高速并行采样可以实现窄脉冲信号采集重构

通道校正方案减少了通道失配对系统的影响。系统完成对4 ns窄脉冲回波信号的实时采样。

Abstract

Laser radar emits narrow pulse signal

which produces echo after exposure to target object

the echo can be converted to electrical pulse signal by avalanche photoelectric sensor. Aiming at nanosecond level electric pulse

propose 8 GSPS high-speed parallel sampling scheme and channel correction solution. Simulation and experimental results show that avalanche photoelectric sensor performs narrow pulse responsiveness very well

channel correction scheme weakens effect of channel mismatch on system. System completes real-time sampling of4 ns narrow pulse echo signal.

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references

传感器窄脉冲信号的超高速采集系统 [J]. 李嘉鸿,叶凌云,宋开臣. 传感器与微系统 . 2013(12)

超高速窄脉冲纳秒信号采集的实现与应用研究 [J]. 盛桂珍,赵妍. 长春工程学院学报(自然科学版) . 2012(02)

基于数字后处理算法的并行交替采样ADC系统 [J]. 周浩,赵雷,李玉生,刘树彬,安琪. 数据采集与处理 . 2010(04)

基于信号完整性的PCB仿真设计与分析研究 [D]. 孟垂建. 哈尔滨工程大学 2013

Researches on Channel Mismatch Effects in Time-Interleaved ADC System [J] . Hong Ying Yang,Ge Zhang,Jin Li Zhou. Advanced Materials Research . 2013 (655)

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