避障激光机器人毕业论文

毕业设计（论文）

题目 激光测距的研究

避障激光机器人毕业论文

目 录

摘要……………………………………………………………………………………………（1） 关键词…………………………………………………………………………………………（3）

前言 .......................................................................................................................................................... 2

一 脉冲激光测距的研究状况 ................................................................................................................ 3

1.1国外研究状况 ............................................................................................................................... 3

1.2国内研究状况 ............................................................................................................................... 3

二 激光测距原理 .................................................................................................................................... 3

2.1相位法激光测距 ........................................................................................................................... 4

2.2 相位法优缺点 .............................................................................................................................. 6

2.3 脉冲激光测距的基本原理 ......................................................................................................... 7

2.4脉冲激光测距仪的测距性能指标 ............................................................................................. 15

2.5激光脉冲飞行时间法的关键技术 ............................................................................................. 17

2.6小结 ............................................................................................................................................. 20

三 激光发射电路设计 .......................................................................................................................... 21

3.1 MULTISIM简介 .............................................................................................................................. 21

3.2 MULTISIM的界面 .......................................................................................................................... 21

3.3 激光脉冲发射电路设计 ............................................................................................................ 22

四 脉冲激光接收电路设计 .................................................................................................................. 24

4.1基本要求 ..................................................................................................................................... 24

4.2前放设计分析 ............................................................................................................................. 24

4.3整形电路 ..................................................................................................................................... 27

4.4 计数电路 .................................................................................................................................... 28

4.5 接收电路 .................................................................................................................................... 29

4.6 PCB板 ......................................................................................................................................... 30

五 结束语 .............................................................................................................................................. 31

致谢 ........................................................................................................................................................ 31

参考文献： ............................................................................................................................................ 31

避障激光机器人毕业论文

激光测距的研究

摘要:论文中讨论了相位激光测距和脉冲激光测距的基本原理，并就两种方法的优缺点做了对比分析。本论文就脉冲激光测距的方法进行了深入分析和研究，分析了脉冲激光测距系统工作的基本特征，分析了相关的一些主要参数，并依据原理设计了相关的电路，设计过程中优化了电路参数，并做了仿真分析和实践验证，文中也提供了系统的PCB图，系统工作稳定可靠。

Abstract: In this paper, the principles of laser range based on phase and pulse were discussed in this paper, and the advantages and disadvantages were compared and analyzed. The typical characteristics of pulse laser range finder were studied with the theory, the circuit graph was deigned and optimized by analyzing the main parameters, the laser range finder system was stable and reliable by simulation and verification, and, the PCB of the circuit was shown in it.

关键词: 激光测距；脉冲；相位；PCB

key words：Laser Ranging Finder ；Pulse；Phase；Printed circuit board

前言

脉冲半导体激光测距技术研究的目标是增大作用距离,提高测距精度,并在解决二维光学扫描的基础上,实现对目标的三维测量。经过近30年发展,其中几项关键技术有了很大的进展。

激光测距是最早成熟应用的军用激光技术，基于半导体激光器的测 …… 此处隐藏：13116字，全部文档内容请下载后查看。喜欢就下载吧 ……