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。
OBJECTIVE: to understand the situation of use of antibiotics in OPD of our hospital, so as to guide rational use of drugs.
前言：目的：了解我院门诊抗生素的应用情况，指导临床合理用药。
High-speed rotary Fourier transform spectrometer has nonlinearity of optical path differences (OPD) because of refractor's rotating.
转镜式傅里叶光谱仪中，转镜的转动形成光程差的非线性。
Numerical and experimental studies of cross sectional optical power distribution (OPD) in polymer optical fiber under offset launch are given.
研究了偏心激励多模聚合物光纤横截面的光功率分布。
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。
Objective To investigate current anti-infection drugs infusion in pediatric outpatient department(OPD), analyse existing problems and discuss the nursing strategy.
目的了解儿科门诊静脉滴注抗感染药物的应用情况，分析存在问题，探讨护理对策。
Three methods of correction for the nonlinear OPD were described and compared in this paper, namely NUFFT method, OPD replace method and interferograms fitting method.
对非线性修正问题，目前常用的有光程差替换法、干涉图二次采样法和NUFFT法。
OBJECTIVE: By analyzing general condition of the use of home-made and joint-stock drugs with same specification and common name in OPD in the hospital, to evaluate doctors' prescription behavior.
目的：分析同规格、同通用名国产与合资口服药在医院门诊中的使用情况，评价医生处方行为。
Fringes are formed when the optical difference (OPD) between a reference wave front and a test wave front based on the interference of light is an integral multiple of the illuminating wavelength.
测试中，当测试波前相对于参考波前的光程差是照明波长的整数倍时形成干涉条纹，由此而形成的二维图就是干涉图像。
Most of traditional methods of angular measurement based on a Michelson Interferometer or its modifications have the same principle: the rotation is transformed into an optical path difference (OPD).
传统激光干涉测角方法，大多采用迈克尔逊干涉仪光路或其变形，将角度测量转变为光程测量。
Most of traditional methods of angular measurement based on a Michelson Interferometer or its modifications have the same principle: the rotation is transformed into an optical path difference (OPD).
传统激光干涉测角方法，大多采用迈克尔逊干涉仪光路或其变形，将角度测量转变为光程测量。
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