According to the shifted distance and the phase increment, the mapping relationship between phase difference and depth of object can be determined by a least squares method.
该技术通过平移实物参考面，测得其上位相分布，利用其位移距离与位相增量之间的关系，以最小二乘方法计算位相差与物面深度之间的映射关系。
The relationship between the tilting Angle and the additional height difference is analyzed. Then the relationship between the phase of the test object and the height of object's surface is obtained.
分析了物面偏转角度和附加高度差之间的关系，得出了物面相位和物面高度之间的映射关系。
The relationship between the phase difference of the detection signals and the stretch, tension of the wire rope is analyzed.
分析了检测信号的相位差与钢丝绳伸长及张力的关系。
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