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- graded index profile 渐变折射率剖面,渐变折射率分布
- The results show that it is a relatively simple and exact method for using transfer function method to deal with the optical waveguides with graded refractive index profile. 结果表明用传递函数方法处理折射率渐变分布的光波导问题,计算相对简单,可以得到精确的数值结果。
- The function n(x, y)is known as the refractive index profile. 函数n(x,y)称为折射率分布。
- It can be applied to an arbitary refractive index profile of the MQW waveguide. 该公式是偏振态和量子阱波导折射率分布的函数。
- As it has good cost-performance, the perfluorinated polymer graded index plastic fiber is finding applications in FTTH. 氟化聚合物的梯度折射率分布的塑料光纤因为具有良好的性价比,所以在光纤到户中正在逐渐得到应用。
- The refractive index profile of planar waveguide is obtained with inverse WKB method by measured mode refractive index. 根据实验测得的模折射率,用反WKB方法求出了离子交换平面波导中折射率的横向分布。
- The equation of radiative transfer in graded index medium can be taken as a special kind of convection-dominated equation. 梯度折射率介质内的辐射传递方程可以看作是一类特殊的对流型方程,对流项的存在能够引起解的非物理振荡。
- The preparation of GI POF,the mechanism of the graded index formation,as well as the research of functional GI POF were introduced. 同时展望了梯度折射率塑料光纤的发展趋势。
- In the paper, a simple formula, which is relationship between differential mode delay and refractive index profile in multi-mode fibers, is given. 给出了多模光纤中微分模时延与折射率剖面分布间的简单关系;
- The square regulation graded index fiber is considered to have fairly good dispersion property because the near axle meridian light in the fiber may focalize automatically. 本文首先推导出平方律渐变光纤中,近轴子午光线的轨迹方程。
- Influencing factors on the transmission loss of light signs and the loss limit of plastic optical fiber are discussed, particularly for graded index plastic optical f ibers. 讨论了影响信号传输的因素和有机光纤光传输损耗的极限, 并对当前受到广泛重视的渐变型有机光纤的研究进展给予了特别的关注。
- These devices can not only accomplish polarized light interference experiment, but also measure the refractivity or refractive index profile of crystal. 经过分析,该装置不仅能完成偏振光的干涉实验,而且可以测定晶体的折射率或折射率分布情况。
- The test on its optical transmittance was conducted, and analysis of the refractive index profile of a gradient index (GRIN) rod made of the base glass was performed. 制备了自聚焦透镜的基础玻璃,对其透过率进行了测试,并对由这种玻璃制成的梯度折射率(GRIN)棒的折射率分布进行了分析。
- The shift error in ERS SAR image is calculated using the measurements of refractive index profile in Beijing area and moderate electron concentration in China. 计算结果表明在一般的研究中成像点距离向漂移可以忽略不计;
- From the results we know gross profit and NPV have obviously improved after optimization,so its reasonable for optimization grade index on this mine. 结果表明,优化后该矿的总利润和净现值有了明显的提高,说明将该矿的品位指标进行优化是合理的。
- A novel transmitted-light differential interference contrast (DIC) system is used to nondestructively measure the refractive index profile (RIP) of an optical fiber. 提出一种由两组偏光棱镜组成的透射式微分干涉系统,用来测量光纤的折射率分布。
- XIA Xin-Lin, HUANG Yong, TAN He-Ping. Radiative transfer inside a linearly graded index semi-transparent slab: gray substrate wall and specular semi-transparent surface [J]. J. Infrared and Millimeter Waves. (夏新林,黄勇,谈和平。灰壁面与镜反射界面下线性折射率半透明平板内的辐射传递。红外与毫米波学报)。
- The nonlinear graded index fiber lens is analysed Analyticexpressions for computing the focal length and beam waist radius ofthis lens are derived from the stationary self-focusing theory and theABCD law of Gaussian optical beam propagation. 本文对非线性变折射率纤维透镜进行了分析,利用高斯光束在非线性变折射率纤维中传播的稳态自聚焦理论以及在线性介质中传播的ABCD定律,导出了计算这种透镜的焦距及束腰半径的解析表达式。
- GI POF was prepared using polymethyl methacrylate (PMMA) as core and clad,diphenyl sulfide(DPS) as the dopant. The refractive index profile of GI POF was measured using focusing method. 以聚甲基丙烯酸甲酯为芯皮层原料、苯硫醚为掺杂剂制备了GI POF,并通过聚焦法测得光纤折射率分布。
- The author's point of view is: For each mineral deposit, the tech- economic evaluation should be made in accordance with its natural situation and the exploration tech- economic conditions, so as to establish reasonable grade index. 作者认为每个矿床都要根据矿床的自然条件和开采技术经济条件的不同进行相应的技术经济评价,制定合理的品位指标。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries