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经理论推导，给出了倾斜CCD光敏面以减小扩展像斑，从而减小激光三角法测量误差的理论根据，同时结合计算机模拟曲线，说明了它的缺点是限制了测量范围。
Based on the theory of theory, the theoretical basis of the tilted CCD photosensitive surface is deduced to reduce the flaw of the image, so as to reduce the measurement error of the laser triangulation method. At the same time, the limitation of the measuring range is illustrated by the computer simulation curve.