path difference
英 [pɑːθ ˈdɪfrəns]
美 [pæθ ˈdɪfrəns]
网络 路径差; 光程差; 程差; 路程差; 行程差
双语例句
- 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。 - Bidder should furnish specific value of the equipment and summit an item-by-item commentary on the Technical Specifications and indicate the deviations and exceptions to the provisions of the Technical Specifications. Calculation of the optical path difference and fringe location in polarization interference imaging spectrometer
投标方应提供设备的精确数据，与招标技术规格逐条比较并列出所有的偏差和例外.偏振干涉成像光谱仪中Wollaston棱镜光程差及条纹定位面的精确计算与分析 - Calculation and analysis of the optical path difference of modified wollaston prism
改型Wollaston棱镜的光程差及其特性分析 - The nonlinear problem of optical path difference ( OPD) of rotating Fourier transform spectrometer universally exists, produced by the rotation of rotating mirror.
转镜的转动会导致光程差存在非线性问题，是转镜式干涉光谱仪普遍存在的问题。 - 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。 - A new zero optical path difference ( OPD) point positioning technique using diode lasers is proposed in this poper.
提出了一种新的半导体激光定位技术。 - Data Management System for 2.4m Telescope Research on Sub-Telescopes 'Beams Parallel and Path Difference Adjustment to the Optical Aperture Synthesis Telescope
2.4M望远镜远程观测系统&数据管理子系统光学综合孔径望远镜中子望远镜平行性和光程差调整的研究 - Using ray tracing method, the OPD ( optical path difference) is compared in zigzag and perpendicular zigzag plane, and the thermal lens effect is analyzed with the OPD curves.
对三种抽运结构的端面温度、端面变形和端面变形导致的光程差也进行了对比分析。 - Calculation of the optical path difference and fringe location in polarization interference imaging spectrometer Estimation of Rotor Zero-position Error for PMSM
偏振干涉成像光谱仪中Wollaston棱镜光程差及条纹定位面的精确计算与分析 - Variation of path difference velocity and temperature of wind field are analyzed and calculated applying interference image spectroscopy.
采用干涉成像光谱技术对被探测源谱线为高斯轮廓时风场的速度、温度的测量进行了分析和计算。 - The influence of wavefront tilt and optical path difference is analyzed and simulated in the end.
分析了两望远镜的波面倾斜及光程差对干涉条纹的影响，并进行了仿真。 - A novel data processing method based on dynamic linear smooth, conic demodulation and measuring optical path difference by means of fitting is proposed.
提出了一种基于动态均值滤波、二次曲线法解调和拟合法求光程差的数据处理新方法。 - In studying the interference of equal thickness in wedge films, the formula of difference of optical path is strictly deduced, and the tenable conditions of the optical path difference equation in traditional textbook is clarified.
研究了劈尖等厚干涉问题，对其光程差公式进行了严格推导，阐明了传统教材光程差公式成立的条件。 - By carefully controlling the path difference between the interference arms and choosing the couple ratios of the couplers, the interference visibility can be increased and the measurement precision can be improved in return.
通过精确控制光纤干涉仪干涉臂长差和合理选择光纤耦合器的耦合比，可以提高干涉的可见度，从而提高系统的测量精度。 - The method for measuring the position with zero light path difference of two beams of wide band light is given.
提出了一种可以快速实现采用宽带光源的双光束干涉中零光程差位置测量的方法。 - Three conditions are considered together and conclude the selective principle of fixed optical path difference.
综合考虑三个条件的要求，最终得出了基准光程差的选择原理。 - 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。 - Using this method, the optical path difference can be detected accurately, if put medium to the light path. Therefore, it is a new method to measure medium refractive index.
如果在光路中放入介质，用这种方法可以很精确地测量出由此引入的光程差，并给出了一个测量介质折射率的新方法。 - In order to study the application of modern interfering technology, the method for measuring the zero light path difference in white light interfering in the application of absolute length or displacement measurement is given in this paper.
为研究现代干涉技术的应用，提出一种测量绝对长度和位移大小的白光干涉中零光程差位置测量方法。 - In optical heterodyne technique, optical path difference between the signal and local beams, the relative position of detector, ratio of the area of the photo-sensitive surface to the laser spot, and focal length of focused lens, have important effects on the heterodyne efficiency.
在光外差测量中，信号光与本振光的光程差、探测器的相对位置、探测器光敏面相对于激光光斑的大小和聚焦透镜的焦距，对系统的外差效率都有重要影响。 - In experiment, excess fraction method was introduced into the measurement of the optical path difference.
在实验中，我们采用了小数重合法测量两干涉臂的的光程差。 - The optical path difference is the major factor which effects the resolution of the Fourier Transform Spectrum.
从傅里叶变换光谱的基本原理出发，得出傅里叶变换光谱仪内部的双光束干涉的光程差是影响其分辨率的最主要因素。 - According to the image features in time and frequency domain, it is deduced by the proposed method that, with the increase of the optical path difference in time domain, the effect of interference spectral images on the spectral curve profile in frequency domain is increasing.
该算法根据干涉多光谱图像在时域和频域的特点，推导出时域中随着光程差的增大，干涉图像对频域中光谱曲线的形状影响越大。 - The resolution of the laser interferometer is improved by using optical path difference doubling technique.
采用光程差放大技术，提高了干涉系统的分辨力。 - With the analytical results and the fractional thermal loading, the influences of the pumping power and the pump-to-mode size ratio on the crystal temperature, optical path difference and thermal focal length are demonstrated.
并利用不同条件下的热转换系数，对晶体温度、光程差、热焦距等进行了研究，给出了抽运功率、模式匹配等因素对热效应的影响。 - Passive detection on wind field atmosphere uses interferometer, aiming at airglow and aurora carrying the information of wind field, to inverse atmospheric temperature, pressure, wind speed and other information with four fixed optical path difference of light intensity.
被动法大气风场探测是利用干涉仪以大气中携带了风场信息的气辉和极光为探测目标，以具有四个固定光程差的光强度反演大气温度、压力、风场速度等信息。 - In this thesis, both the optical path difference algorithm and the iterative angular spectrum algorithm, are utilized to design diffractive OL, which is composed of a large number of fine diffractive structures with micro-nano-scale features.
本文分别使用光程差算法和迭代角谱算法，设计由大量具有微纳米特征尺度的精细衍射结构所构成的衍射物镜。 - For UAV SAR, a motion compensation method based on wave path difference of significant point were proposed, this method starting from the principle of azimuth compression, can compensate echo phase error accurately by Interpolation.
针对无人机载SAR的特点，提出了基于特显点波程差的运动补偿方法，从方位向压缩原理入手，利用插值可以比较精确的补偿各回波的相位误差。 - Two ways of heightening the dynamic range is suggested: First, optimize the polarization performance of the PBS. Second, balance the optical path difference between the center light and the margin light.
分析两种提高系统动态范围的方法：1、优化PBS偏振性能；2、使用四分之一波片平衡中心与边缘光线的光程差。 - Secondly, the influence of fixed optical path difference error and step error is analyzed. The error tolerance is achieved within allowance range.
然后分析了基准光程差误差和步进误差对测试结果的影响，给出了在一定的结果误差允许范围内的误差容限。