path difference meaning in English
路径差
声程差
行程差
Examples
- With the compensator in place any optical path difference arises from the actual path difference .
有了补偿板之后，任何光程差都只由实际程差引起。 - Would you explain why the path difference between the light waves must not be too great
否则光径差多少都可以差别在于是否能产生你所想见到的效应 - The stability of micro - birefringence optical path difference measuring system based on electro - optic modulation method is studied
提出用旋转半波片反射法测量半封闭玻璃制品应力，探讨以电光调制法为基础的微双折射光程差测量系统的稳定性。 - The paper introduced the theory of passive acoustic localization and the algorithm of space acoustic localization . by use of combined acoustic path difference , the paper amended the passive acoustic localization formula and improved the accuracy of localization
本文介绍了被动声定位的原理及空间声定位的算法，推导出了被动声定位公式，并利用声程差组合改进了被动声定位公式，提高了定位的精度。 - It is widely used to measure optical element , optical system , detection of optical surface and the physical quantities ( such as field of temperature , field of density ) related with optical path difference . the underlying measurement principle of psi is to determine the phase of the intensity signal in interferogram received at each pixel of an imaging device
移相干涉术( psi )作为快速、非接触的精密测量手段，已经广泛地应用于光学零件、光学系统、精密表面检测和其它一些与光程差参数相关的物理量的测量(如温度场、密度场等) 。