查询词典 waveguides

The optical waveguides fabricated by using single benzoic acid and 60% ratio dilution were analyzed by double crystal X-ray diffraction.

用双晶X射线衍射法对单苯甲酸和混合摩尔比为60%制作的光波导进行X射线衍射。

The Airy function is used to calculate the plasma impedance and the grill-plasma scattering matrix is deduced, then the coupling properties of the HT-7 LHCD MJ launcher are studied with the antenna scattering matrix and the grill-plasma scattering matrix based on the liner coupling theory. The average power reflection coefficient, directivity, power spectrum are obtained for different edge plasma densities and for different phasings between main waveguides.

采用线型耦合理论，用艾黎函数计算了等离子体阻抗，推导出常规波导阵对等离子体的散射矩阵，并利用它和天线自身的散射矩阵研究了HT-7装置低杂波多结波导阵天线的耦合特性；计算了其平均功率反射系数、方向性系数和功率谱与等离子体边缘密度和主波导相位差等参数的关系。

On the interannual timescale, two waveguides of planetary waves in the northern winter have antiphase oscillation. On the one hand, this interannual oscillation has an interaction with the Northern Annular Mode. On the other hand, it exerts influence on the climate anomalies over East Asia.

在年际时间尺度上，冬季行星波两支波导的变化存在反相关的振荡关系，这种年际振荡一方面影响了北半球环状模的位相，另外一方面导致了东亚地区的气候异常。

It is expected that the results of this project will base theoretical and experimental research on THz waveguides and THz waveguided devices, and may lead to wide applications in defence and antiterrorism, atmospheric and astronomical science, sensing and imaging system, material and communication, biology and medicine.

本项目的研究成果为进一步开展太赫兹波段波导和波导器件的理论与实验研究打下了基础，将在国防与反恐、大气与天文学、传感与成像、材料与通信、生物与医学等方面具有应用前景。

On the basis of mode conversion theory, this paper further optimized a better dimension and obtained the regulation about the radius of the circular waveguides, curvature and frequency of bent circular waveguides and the bandwidth.

在模式耦合理论的基础上，优化出了比较好的几何结构，并发现了圆波导半径、弯曲圆波导曲率和频率以及频带宽度之间的变化规律。

Based on the scheme, we have fabricated successfully many phase elements in LiNbO3: Fe, such as photorefractive phase mask, phasing zone plate, lens array, Daman grating and array waveguides, ring and elliptic waveguides and so on.

按照此方案，我们在LiNbO3：Fe晶体中成功制作了光折变位相图、相位型波带片、透镜阵列、达曼光栅及阵列波导、圆形及椭圆形波导等位相元件。

The cutoff conditions of metal-clad waveguides or loss dielectric waveguides are discussed. The effects of metal-cladding on the cutoff condition of graded index waveguides are analyzed at first. The principle of cutoff intensity modulator has discussed in detail.

本文首次提出一种适合于分析含金属覆盖层的均匀和渐变介质波导在截止点附近的光学特性的近似的解析方法，并对金属覆盖层的均匀阶跃介质波导在截止点附近的模传播特性作了全面的分析，所得到的结果同精确的数值解结果相吻合。

An approximate analytical approach, which can be used to analyze the optical characteristics of metal-clad step or graded index waveguides in near cutoff, is presented at first. The mode propagation characteristics of metal-clad step index waveguides in near cutoff are comprehensively analyzed.

GaAs/GaAlAs异质结光波导材料是目前集成光学中的重要材料，本论文在系统介绍外延生长技术的基础上，利用普通的液相外延炉，成功地生长出可用于光波导器件制作的、表面较光滑并具有较大面积（14×16mm〓）的GaAs/GaAlAs异质结光波导材料，C-V法测得波导层载流子浓度为2—4×10〓cm〓，Al-Schottky接触的反向电压大于20伏，平板波导和脊波导通光实验良好。

An object is to achieve both high-density output waveguides and uniformity of the losses between the output waveguides.

本发明的一个目的是实现高密度的输出波导以及输出波导之间的损耗均匀性。

This method can be used to solve coupled-mode equations of a multi-waveguides array with considering coupling among any waveguides.

采用该方法可以求出任意数目波导组成的阵列，考虑任意波导之间耦合的耦合模方程组的解。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失