A new refractive index fiber sensor with simple operation, low cost and high sensitivity has been explored.
从理论和实验上研究了一种操作简单、价格低廉、灵敏度高的折射率光纤传感器。
The novel characteristics of guided modes in the chiral negative refractive index fiber are investigated theoretically in this letter.
对手征负折射率光纤中导模的新颖特性进行了理论研究。
Both mode coupling and mode distortion in the step-index fiber are studied theoretically in order to gain the effect of mode distortion on the beam quality.
为了研究模场畸变对于大模场光纤光束质量的影响，理论研究了阶跃光纤的模式耦合和模场畸变的特性。
It's also a great substitute for rice because it has more fiber and nutrients and is also a low glycemic index food.
它也可以完全替代稻谷成为人们的主食，因为它一样含有丰富的纤维和营养素，还是一种低血糖指数食物。
Dark fiber-rich whole wheat bread is lower on the index; its spike is slightly less sharp.
纤维丰富的全麦面包拥有较低的血糖指数，它造成的血糖上升很少。
Food is the GI, GI high sugar index with objective existence itself contains quantity of heat and no direct relation, but it contains proteins with quality and fiber volume relevant.
食物的GI也就是糖类指数，GI的高低跟客观存在本身所含的热量并没有直接的关系，而是跟它所含蛋白质量与纤维量有关。
The imaging characteristics of a GRIN fiber lens with exponential variation of the constant-index surfaces are discussed based on the ray paths equations.
本文根据光线轨迹方程，讨论一种等折射率面为指数型变化的梯度折射率纤维透镜的成象特性。
Fracture performance of Concrete and Fiber Reinforced Concrete is an important mechanical index.
混凝土特别是钢纤维混凝土材料的断裂性能是重要的力学指标。
Then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes.
接着推导了阶跃折射率平面介质波导和圆光纤的正交模式——包括束缚模式和辐射模式。
An integrated fiber-quality index model (IFQI) with the cotton fiber qualities which can directly express cotton fiber integrated quality and spinning yarn quality was studied.
目的用棉纤维品质指标拟合能同时表达棉纤维综合品质和纺纱质量棉纤维综合指数模型。
Fiber index is measured using the conical elutriation method.
纤维指数用圆锥淘洗法测量。
The quality index of PET staple fiber was defined according to production process and technical parameters of roofing felt.
根据油毛毡基布的生产工艺和技术指标确定涤纶短纤维的质量指标。
Birefringent a fiber optic term. Having a refractive index that differs for light of different polarizations.
一种光纤术语。折射率与不同极化的光折射率不同。
Analyzes the diagraph method of a few and main technique index sign of the fiber optic correspondence system primarily and its in actually work of application.
分析了光纤通信系统的主要技术指标的测量方法及其在实际工作中的应用。
Bragg fibers are a kind of fiber formed by multilayer concentric cylinders with period index distribution in the radial.
布拉格光纤是由在径向折射率呈周期分布的多层介质圆环构成的一种光纤。
Its refractive index is higher than that of the traditional optical fiber material, silica, so silicon nitride has good optics confinement property.
其折射率比传统用作光纤的石英的折射率高，对光有较好的约束性能，因此在光波导方面可能会有更好的应用前景。
Objictive: To observe the change of liver blood flow and fiber index by different treatment methods in patients with liver cirrhosis.
目的：观察不同方法治疗肝硬化前后肝血流动力学及肝纤维化指标的变化。
Shear force, total collagen, heat insoluble collagen, and muscle fiber diameter are the main index of muscle tenderness evaluation.
相关分析表明，剪切值、总胶原蛋白、热残留胶原蛋白和肌纤维直径是嫩度评定的主要指标。
Based on a scalar approximation, the group-velocity-dispersion properties of photonic crystal fiber (PCF) were investigated in detail by equivalent-index model.
基于标量近似理论，使用有效折射率方法对光子晶体光纤的群速度色散特性进行了详尽研究。
The integrated cotton fiber quality index could either estimate the quality of raw cotton fiber or estimate yarn tensile quality, and is a parameter of no units.
纤维综合品质指数是既能评价棉纤维品质质量，又能反映成纱品质质量的一个综合指数，是一个无量纲的参数。
The fines content and kink index of fiber obviously decreased while the fiber length and fiber coarseness increased.
细小纤维含量和纤维扭结指数降低，纤维平均长度和纤维粗度增加。
The group velocity dispersion properties of photonic crystal fiber (PCF) were investigated in detail by equivalent index model.
应用等效折射率模型对折射率导模光子晶体光纤的群速度色散特性进行了详细的讨论。
AimStudy chaotic behavior of optical rays in a GRIN fiber under random perturbation of refractive index.
目的研究在折射率存在随机起伏的情况下，渐变折射率光纤中光线传播的混沌行为。
Based on an analysis of rheology and mass transport principle, a mathematical model was formulated for describing the co-extrusion and diffusion process of graded index polymer optical fiber (GI POF).
基于流变学原理和质量传递原理的分析，建立了一个能够描述渐变型聚合物光纤(GIPOF)共挤扩散制备过程的数学模型。
First, the relation between the dispersion of the fiber and the propagation constant and equivalent refractive index is presented.
文章先给出了光纤色散与光纤传播常数及等效折射率的关系。
A simple method for measuring equivalent step index (ESI) parameters of the single mode fiber is presented.
本文叙述了单模光纤等效阶跃折射率(esi)参数测量的一种简便方法及其原理。
Good result is achieved for the propagation constants and chromatic dispersion of arbitrary index profile single mode fiber.
该法对任意的圆对称折射率剖面光纤计算传输常数和色散能够得到满意的结果。
Taking into account the fifth-order nonlinearity in the refractive index of the fiber, the dark pulse propagation in fibers is simulated numerically for the varying initial conditions.
考虑到光纤折射率的五阶非线性极化效应，本文对不同初始条件下，光纤中黑脉冲的传输进行了数值模拟分析。
The ray propagating and paraxial imaging characteristics of a GRIN fiber lens with constant refractive-index surfaces of revolution paraboloids are studied.
本文研究一种等折射率面为旋转抛物面的梯度折射率纤维的光线传播和近轴成像特性。
The ray propagating and paraxial imaging characteristics of a GRIN fiber lens with constant refractive-index surfaces of revolution paraboloids are studied.
本文研究一种等折射率面为旋转抛物面的梯度折射率纤维的光线传播和近轴成像特性。
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