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介绍了分孔径发射 /接收 5 3 2nm脉冲激光雷达实验装置 ,分析了不同条件下背景噪声对脉冲激光雷达成像的影响 ,讨论应用时间选通技术和频谱滤波技术对背景噪声的抑制效果 ,通过实验研究了小视场条件下工作距离、发射激光能量及能见度之间的关系。
The experiment of sub-aperture transmitting / receiving 532 nm pulsed lidar was introduced. The influence of background noise on pulsed lidar imaging under different conditions was analyzed. The effect of time strobing and spectral filtering on background noise suppression was discussed. The relationship between working distance, laser energy emission and visibility is studied under small field of view.