光纤阵列编码成像激光雷达系统

Coded Imaging Lidar System Based on Fiber Array

提出了一种基于光纤阵列的编码成像激光雷达,该系统采用光纤阵列代替传统成像激光雷达中的多像元光电探测器阵列。该设计通过编码、合波形探测、解码使用少探测器实现高分辨率成像,避免了高像素光电探测器阵列的研制难题。同时,对系统解码信号进行了进一步的去噪算法,仿真结果表明在低信噪比条件下小波去噪算法可以获得比较好的成像效果。

A coded imaging lidar based on fiber array is proposed,which uses optical fiber array instead of multi-pixel photodetector array in conventional imaging lidar. This design through the coding,combined waveform detection,decoding to achieve less detectors for high-resolution imaging,to avoid the development of high-pixel photodetector array problems. Based on this system,a further de-noising algorithm is applied to the decoded signal. The simulation results show that the wavelet de-noising algorithm can obtain better imaging results under low signal-to-noise ratio conditions.