Speckle images are produced by the reflected and scattered light beams from rough surface through free-space to observing plane when laser illuminates the object surface.
激光经过被测表面反射和散射后，通过自由空间传播至观察面上形成散斑图像，其统计分布依赖于被测表面的微观形貌。
The direct calibration of the light plane in laser-scan measuring based on vision is discussed.
讨论了基于视觉的激光扫描测量中，光平面的直接标定方法。
This is the first time that we know of that a plane has been powered only by the energy of laser light.
这是第一次，我们知道该飞机已经被供电只能由能量激光。
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