目录摘要引言 31
1 国内外研究现状3 1
1国外研究现状 41
2 国内研究现状52
1 课题主要研究内容5 2
2 相位法测距原理73
1 Δ Φ 的测定 113
1 差频法测多普勒频移114
1 影响测量精度的因素及处理办法155
1 大气折射率误差18优点 19参考文献激光测距系统设计摘要本文主要介绍相位法激光测距基本原理, 详细论述了相位差的自动数字测量方法及其引起的误差
对单次检相的精度、频率漂移、大气折射率等对测距误差的影响进行了分析并提出了具体解决方法
实现结果表明 , 采用相位法测距精度可以达到 ±(5mm+5 ×10-6D)
关键词 : 激光测距
精度AbstractThe authors introduce the basic principle of laser range finding technology based on phase, propound in detail the automatic digital measurement technique of phase difference and its errors,analyze the effect of single phase-picking precision frequency drift and atmosphere refractive index ,etc
on laser ranging errors and put forward some special improvement methods The result of laser ranging realization show that adopting phase laser ranging can achieve the precision of ±(5mm+5 ×10-