分析镜

Second, proceeding with the fact thatthe constructing vector wave functions of conventional circular cylindrical and sphericalvector wave functions are linear independent solutions to the electromagnetic field waveequations in biisotropic medium,spectral impedance boundary conditions are proposed forinfinitely long perfectly conducting circular cylinder and sphere coated with biisotropic media,respectively,which generalize the applicable range of planar structures and are suitable toanalyze the electromagnetic problems involving their counterpart structures.

所用的方法是在Fourier变换谱域中的一阶线性微分方程组理论和矩阵技术，提出了适用于Chiral媒质半空间辐射问题的耦合镜像原理(即镜像电流的振幅和相位是由Chiral媒质中的本征左、右旋圆极化波相互耦合来确定的)和适用于研究平面分层Chiral媒质电磁问题的一般性更高的分析方法。

The best match between the rear shapes and support patterns is suggested. The rear 3-point support pattern of concave primary mirror is computed for its deformation under various working condition and the best support position is found out.

找到了主镜的背部形状与其支撑方式间的最佳配合关系；对双凹形主镜的背部三点支撑方式进行分析计算，找到了它的最优支撑位置。

Two different Fabry-Perot cavities have been adopted: plane mirror cavity and confocal concave spherical mirror cavity.

采用了两种不同的Fabry-Perot腔体结构：平面腔镜结构和对称共焦球面腔镜结构；首先进行了理论分析，得出两种结构中折射率变化与干涉条纹变化的关系，然后分别对两种腔体结构下的测量系统进行实验研究，都可以探测到10-5量级的折射率变化量，结果基本令人满意。

The lowest loss mode fields and the far field divergency angles of output beams of the UPCUR are calculated by use of Prony method. The relations between the mode discriminability, far field divergency angles and the parameters of the resonator are analyzed. And the theoretical results show that the output beams with diffraction limit quality can be obtained by using the UPUR with small magnification (M=1. 3), which is much better than the traditional unstable resonator under the same conditions.

采用Prony方法计算均匀相位输出耦合镜非稳腔的输出模场分布及远场方向性，分析了模式分辨率和光束远场发散角与系统各参数之间的关系，理论计算得到的结果表明，采用均匀相位输出耦合镜非稳腔，可以在小放大倍率(M=1.3)情况下得到质量达到衍射极限的输出光束，远远好于同等条件下的常规非稳腔，因此这种新型的谐振腔适用于在工业用千瓦级氧碘化学激光器。

Methods:Six cases of gonadal dysgenesis underwent hysteroscopy combined with laparoscopy were collected and analyzed.

对6例性腺发育不全患者进行宫、腹腔镜检查及腹腔镜下切除的性腺病例资料进行分析。

Objective To investigate the clinical feature, characteristics of acoustic and aero-dynamic peremeters of functional dysphonia contrasted with the normal adults and evaluate the value of acoustic and aero-dynamic measurements in the diagnosis and treatment of functional dysphonia.

目的 观察功能性发声障碍喉镜图像、嗓音声学特征及空气动力学变化，探讨喉镜检查、计算机声学分析、空气动力学变化在功能性发声障碍诊断、鉴别诊断、分类及治疗中的应用价值，初步建立功能性发声障碍临床诊断标准。

The theoretic transfer function of the filter made of N-stage HBFs, and the expression are obtained when N is 1, 2 or 3; the polarization independence of the filter is analyzed, and the relation between the frequency response and the parameter of filter such as the length, beat length of HBFs and the angles between HBFs is studied; finally, some experiments are performed to check the theory, and the result shows to have good agreement with the theoretic result.

从理论上得到了N段双折射光纤构成环镜滤波器滤波特性的结果；具体给出了N为1、2和3时的具体表达式；分析了所构成的环镜滤波器的偏振无关特性；讨论了双折射光纤的长度、拍长、双折射光纤之间夹角等因素对滤波器滤波特性的影响；最后，做了相关的实验验证，所得到的实验结果和理论模拟结果非常吻合，证实了理论的正确性。

In order to improve scan precision of the laser galvanometer scan system, especially when scan area is large, the reasons of graphic distortion are analyzed in this paper when the laser galvanometer scan system is running, and the whole bag of compensating tricks are put forward for every reason of corresponding graphic distortion.

针对如何提高振镜式激光扫描的扫描精度，特别是当扫描区域较大时的精度问题，文中展开了对振镜式激光扫描时图形畸变原因的分析，并对每一种误差产生的原因提出了校正补偿的办法。

According to the geometrical optics, the focusing spot of this parabolic mirror is studied by ray tracking.

根据几何光学原理，采用光线追迹的方法对该抛物面镜的光斑进行分析，证明通过抛物面镜反射聚焦后，能够将原始圆形激光束整形为光强分布均匀的窄条形光斑。

The shadow and block efficiency of the heliostats in the heliostat field considering the shadows of the tower in the tower Solar Power Plantshas been obtained by geometry optics.

经几何光学分析，导出了考虑接收塔阴影影响的太阳能塔式热发电站的定日镜有效利用率计算公式，并通过算例比较了考虑与不考虑接收塔阴影影响的定日镜有效利用率计算结果，验证了这些计算公式的正确性和考虑接收塔阴影影响的合理性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。