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激光成像雷达可以给出目标的多方面信息,从而具有较高的目标探测和目标识别能力。其中光学扫描系统的质量是保证获得高质量二维图像的前提,因此有必要对光学扫描器的扫描性能进行定量测试,在应用光学性能扫描测试装置检测激光雷达扫描系统性能时必须保证二者的光轴是对准的。针对激光成像雷达光学扫描性能测试系统,从理论上分析了可能存在的各种对准误差,详细讨论了对准误差对光学扫描测试系统性能的影响,给出了光学扫描测试系统各种对准误差的允许范围。
Laser imaging radar can provide a wide range of target information, which has high target detection and target recognition capabilities. The quality of the optical scanning system is the precondition of obtaining high-quality two-dimensional images. Therefore, it is necessary to quantitatively test the scanning performance of the optical scanner. When using the optical scanning device to detect the performance of the laser scanning system, The optical axis is aligned. Aiming at the optical scanning performance test system of laser imaging radar, various possible alignment errors are theoretically analyzed. The influence of alignment error on the performance of the optical scanning test system is discussed in detail. Various alignment of the optical scanning test system is given The allowable range of error.