product positioning analysis
产品定位分析
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Secondly, fringe analysis techniques are adopted to acquire the phase when referenced sample is perfect positioned; the same way is employed onto the product which is inaccurate positioning.
然后投射到被测物体表面，计算未发生形状变形处的相位，即为由产品定位不精确引起的相位变化量。
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