针对目前激光测距系统时间测量误差大、测距精度低、测量范围小等缺点, 设计一种基于延迟线插入法的高精度远距离激光测距系统。分析了系统的工作原理, 叙述了系统的硬件设计和软件算法设计, 详细介绍了高精度时间测量单元, 并研制出了高精度远距离激光测距系统。实验结果验证了测距系统的可行性, 系统运行稳定可靠, 有广阔的应用前景。

For the disadvantages of high error of time measure, low precision of range-finding and small range in the laser range-finding system, a high precision and long range laser range-finding system based on delay line interpolation method is designed. The operation principle of the system is analyzed. The hardware and software algorithm designs of the system are introduced. The high precision time measure unit of the system is introduced. And a high precision and long range laser rang-finding system is developed. Experimental results show that the system is feasible, stable and reliable and has a greater prospect.