为了获得目标区域的高精度3-D距离图像, 采用自研带读出电路的雪崩光电二极管(APD)面阵探测器组件, 研制了一台非扫描激光主动成像雷达。雷达采用波长1.064μm脉冲激光泛光照射目标区域, APD面阵探测器组件接收目标漫反射激光回波信号, 经信息处理获得目标区域3-D距离图像, 对典型目标开展了3-D成像实验研究。结果表明, 所研制的非扫描激光主动成像雷达可获得较好的目标区域3-D距离图像, 成像距离达1.2km, 距离分辨率为0.45m, 成像帧频为20Hz。基于APD面阵探测器组件的非扫描激光主动成像雷达技术取得突破。

In order to obtain high-precision 3-D range images of target regions, a non-scanning active imaging lidar was developed by using avalanche photodiode (APD) array detector assembly with readout circuit developed by ourselves. Pulse laser at wavelength of 1.064μm was used to irradiate target areas and an APD array detector module was used to receive target diffuse reflection laser echo signal. After information processing, the target area 3-D range images were obtained. The experiment study was carried out on typical targets 3-D imaging. The results show that, the developed non-scanning active imaging lidar can obtain good target area 3-D range images with imaging distance of 1.2km, range resolution of 0.45m and imaging frame rate of 20Hz. The technology of non-scanning active imaging lidar based on APD array detector has made a breakthrough.