The principle of producing phase difference of two beams and its algorithm are studied.
阐明了双波束相位差产生的原理和计算方法。
VI program can be used to measure phase difference of two signals with same frequency too.
利用这个VI程序还可以测量两个同频率信号的相位差。
We obtained also the relation between gravity and the phase difference of the atom gravimeter.
得到了原子重力仪的相位差与重力加速度的关系。
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。
This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
本文采用基于傅立叶变换(DFT)的频谱分析方法，计算流量信号的频率和相位差。
From the derivation, cause and physical significance of the extra phase difference of the coherent field of Gaussian beams can clearly be seen.
从这一导出过程可以清楚地看出高斯束相干场附加位相差的成因及其物理意义。
The phase difference of mass unbalance and bend of rotor will affect the size of coupling zone and the coupling vibration in two coupling zones.
质量偏心与转子弯曲的相位差会影响耦合区的大小及耦合区内的耦合振动；
In this paper, the control of the atomic spontaneous emission is discussed by using the relative phase difference of the polychromatic field and certain results are obtained.
本文对利用多色场的相对相位控制原子的自发辐射问题进行了讨论，并得到了一定的结论。
The initial phase difference of the fiber interferometer is calculated by measuring the interference photocurrent and the photocurrents from the two fiber arms based on a temperature control plat.
利用恒温控制平台，通过测量干涉光电流和干涉仪两臂光电流的方法，实现了对全光纤干涉仪两臂初相位差的测量。
The initial phase difference of the fiber interferometer is calculated by measuring the interference photocurrent and the photocurrents from the two fiber arms based on a temperature control plat.
利用恒温控制平台，通过测量干涉光电流和干涉仪两臂光电流的方法，实现了对全光纤干涉仪两臂初相位差的测量。
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