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反射层析激光成像雷达只能获得目标的二维轮廓像,不能对平面目标进行成像。报道了聚束模式下的非相干合成孔径激光成像雷达实验,在这种成像模式下,可以对二维平面目标进行图像重构。采用侧视观察的模式获取目标的角度-距离-强度信息,然后通过滤波反投影实现平面目标的图像重建,并进行了计算机仿真,证明了实验结果的正确性。该系统作为非相干合成孔径激光雷达的一种,实现了区别于目标轮廓的二维成像,具有一定的实际意义和使用价值。
Reflective tomography laser imaging radar can only get the target two-dimensional contour images, can not be planar target imaging. A non-coherent synthetic aperture laser imaging radar experiment is reported in beamforming mode. In this imaging mode, image reconstruction can be performed on a two-dimensional planar target. Obtaining the angle-distance-intensity information of the target by using the side-view observation mode, and then carrying out the computer simulation of the planar target reconstruction through the filtering backprojection, the correctness of the experimental results is proved. As a kind of incoherent synthetic aperture lidar, this system realizes two-dimensional imaging that is different from the target contour, which has some practical significance and practical value.