利用二极管泵浦固体激光器作为发射源，用二维光机扫描的方式，通过对几百米之外的目标进行测距，得到了目标的距离信息，经过处理最终得到了目标的16级灰度距离像。%In this paper, with a diode pumped laser as the light source andtwo-dimensional opti-mechanism scanning method, ranges of targets about several hundred meters away are found, range images with 16 grades of gray levels of the targets are obtained.
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