本文比较了相移数字散斑干涉中相位提取的两种基本方法：差值相位法(Phase of Difference)、 相位差值法 ( Difference of Phase )，并通过计算机模拟得到的散斑图得出了结论。
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difference of phase currents 相电流突变量
second-order difference of phase 二次相位差
frequency difference of phase finding 差频测相
coefficient of phase difference 相位差系数
Phase of Difference 差值相位法
We can count the distance accurately by find the difference of phase which bring by modulated wave through the distance.
通过测量“调制光波”往返于被测距离上的相位差,能非常精确地测出被测距离的实际值。
参考来源 - 近距离激光测距传感器的研究与设计·2,447,543篇论文数据，部分数据来源于NoteExpress
The reason of the difference of phase transformation temperature between different titanium alloys was discussed.
并分析了不同钛合金之间相变点差异的原因。
Biennial oscillation of the temperature in Pacific Ocean caused the 12 months24 months difference of phase between solar eclipse and El Nino.
两年周期的太平洋海温振荡使日食与厄尔尼诺之间存在12 ~ 24个月的位相差。
The only significant difference is the length of each phase.
唯一重要的不同是每个阶段的长度。
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