optical path difference [光] 光程差 ; 实际波面之间的光程差
path difference [天] 程差 ; [计] 路径差 ; 声程差
interference path difference 干程程差 ; 干涉程差 ; 千涉级
It can basically reflect the additional viscosity pressure drop due to flow path difference and additional inertial pressure drop due to high speed convergent flow.
该模型从本质上反映了因流线差异造成的粘性附加压降损失和高速紊流效应造成的惯性附加压降损失。
Spectral resolution of optical fiber Fourier transform spectrometer depends on maximum optical path difference (OPD).
光纤傅里叶变换光谱仪的光谱分辨率是由最大光程差决定的。
To improve the resolution, some device is laid out in order to increase the maximum path difference of two beams of the interferometer.
介绍了几种通过改变仪器的结构设计，来增加双光束干涉的光程差，从而提高仪器分辨率的方法。
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