三维无扫描成像激光雷达原理改进与仿真

Improvement and simulation of 3D scannerless imaging lidar

提出了基于半方波-方波相关法的三维成像激光雷达。介绍了测量方案推导了算法。并用Matlab的Simulink工具对测距原理进行了仿真,还对测距精度进行了分析。理论分析表明,半方波-方波相关可以使调制深度均达到1.2,能极大地提高空间分辨率。仿真证明了此种相位法的正确性,为实际三维成像激光雷达的研制奠定了基础。

3D imaging lidar based on half-square to square correlation method is proposed.The architecture of the system and the principle of phase ranging algorithm are discussed with Matlab simulink.The imaging precision is also analyzed.The simulation shows that this algorithms and principles are correct and effective.The modulation depth is greater than 1.2.The simulation verifies the work theory of scannerless 3D imaging lidar.It is useful for the research and design of the practical 3D imaging lidar.