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- Model Field Diameter 模场直径
- Two methods were introduced to modify the end of fiber and try to get the expanded mode field diameter (MFD) in this work. 介绍了两种对光纤端面进行修饰以扩大模场直径(MFD)的方法(加热扩散法和熔接透镜光纤法)。
- This system has high accuracy of measurement, high automatization and can be easy to be operated by measuring the mode field diameter of the PMF two principal axes. 并通过两种典型的保偏光纤两个主轴的模场直径的测量实验证明该测试系统具有测量精度高、自动化程度高和操作简单等特点，在保偏光纤对轴、熔接等领域有一定参考意义。
- The electrochemistry of polymer microspheres will be applied extensively in molecular model field. 综述表明高分子微球电化学具有广阔的应用前景。
- Based on the results, we have proved the relationship between fibers' effective area and mode field diameter, that is supplied by the ITU-T Recommendation. 并在实验测试的基础上，验证了ITU-T文件中有关光纤有效面积与模场直径间的关系。
- The temporal characteristic could provide the dynamic control factor for the RBAC(Role Based Access Control)model,which is the research hotspot in the security model field. 具有时态特征的角色访问控制(RBAC:Role Based Access Control)模型能够为RBAC控制机制提供动态的时间控制因素,是目前安全模型领域的研究热点。
- The principles and devices of the offset joint method for the measurement of mode field diameter of single mode fibers, which is one of the recommendations by CCITT, are described, and the experimental results are presented. 论述了用横向错移法测量单模光纤模场直径的测量原理、测量装置和测量结果，该方法是国际电信电报咨询委员会（CCITT）所推荐的单模光纤模场直径测量方法之一。
- The output mode field diameter(MFD)and divergence angle are predicted by empirical equations, simulated by finite-difference beam propagation method(FD-BPM)numeric tool, and experimentally observed. 利用射线理论和经验公式给出了TLF基模光斑和发散角;
- This paper describes the results of Supa Kil aerosol insecticide against Culex pipiens pallens, Musca domestica and periplaneta americana both in laboratory and in the model field. 笔者以淡色库蚊、家蝇和美洲大蠊为试验对象,对Supa Kil气雾剂进行了实验室和模拟现场试验。
- In this paper, the entropy properties of the field in the two-photon Jaynes-Cu-mmings model with an additional Kerr medium are studied, the effect of nonlineari-ty interaction of the Kerr medium with the model field on the field entropy are discussed. 研究了附加克尔(Kerr)介质双光子Jaynes-cummings(J-c)模型场熵的动力学特性,讨论了克尔介质非线性相互作用对场熵的影响。
- The experiment on the correlation between coefficient of foundation and size of loading plate is performed on experimental model of planar load test in lab, which can model field situation of roadbed. 在试验室模拟路基现场的工况,建立平板载荷试验模型,进行了地基系数与载荷板尺寸的相关性试验,并与理论公式进行了对比。
- In order to solve the problem for feature recognition in feature modeling field,a new technique called edge boundary classification(EBC) for recognition of features from boundary representation solid model is presented. 为解决特征造型领域的特征识别问题;提出一种边界分类方法;从边界表示的实体模型中识别特征.
- Measurement of Mode Field Diameter of Single-Mode Optical Fiber 单模光纤模场直径的测量
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- I think I can get that special model for you. 我想我可以为你找到那种特别的型号。
- She has been held up as a model worker. 她被推举为模范工作者。
- He showed us a model of the new office building. 他给我们看了新办公楼的模型。
- He taught Tom how to make a model airplane. 他教汤姆作模型飞机的方法。
- A New Kind of Mode Field Diameter Measuring System for Single-mode Fiber 新型单模光纤模场直径测试系统
- John is repairing his model plane at his leisure. 约翰不慌不忙地修理着他的航模。
