查询词典 reflection grating

A FDTD program was written and the electromagnetic fields for various polarized incident beams are calculated and the polarization states of the diffractive waves are extracted. The relation between the polarization state of the diffraction wave and the grating balzed angle and polarization angle for the linearly polarized incident wave is analyzed; In the spectral range of 1530 ~ 1570nm, the polarization dispersion is studied for the linearly and circularly polarized incident beam.

用时域有限差分程序计算出任意偏振方向线偏光经过闪耀光栅衍射后的电磁场分布，提取衍射波的S偏振和P偏振分量，分析它们与光栅闪耀角和入射光波偏振角的关系；分析在1530 -1570nm光谱范围内，入射光波为线偏振波和园偏振波时，衍射光波的偏振色散特性与光栅闪耀角的关系。

When Lloyd's mirror interference is combined with grating diffraction the fringes for different colors produced by white light source can be coincident, thus the white and black fringes will be observed.

把劳埃镜干涉和光栅衍射结合起来，有可能使白光源产生的不同颜色的条纹彼此重合，从而能观察到清晰的黑白条纹。

Experimental results show that the refractive index modulation can reach about 0.010; and the depth of surface relief is low to about 0.7~12.4nm, which will be lower than 1nm in the gratings with 200~400nm period(according to the first-order and second-order DFB grating period of organic semiconductor lasers).

实验结果表明，折射率调制幅度较高，可以达到0.010左右；表面起伏很低，约0.7~12.4nm，在周期为200~400nm(对应于有机半导体激光器的一级和二级DFB光栅周期)的聚合物光栅中，表面起伏深度小于1nm。

Current measurement based on giant magnetostriction material and fiber Bragg grating.

基于超磁致伸缩材料和光纤光栅的交流电流测量。

The relations of systemic resolution to subdivision number, grating period, magnifying power and tilt angle are theoretically discussed and experimentally checked on the Abbe comparator.

从理论上分析了系统分辨力与细分数、光栅周期、放大率和倾角等参数的关系，并通过实验在阿贝比长仪上进行了检验。

However, the toughest problem which cumber application of time-grating at the beginning of practicality is not technique barrier but no matchable numeric controlling devices or upper equipments.

但是在产品推广初期，延缓其推广使用的不是技术问题，而是缺少相匹配的上位机或数控装置。

Mechanical mouse is to rely on its internal mechanical grating generated by electronic devices to determine signal direction and speed of the mouse, so that when the light source outside of the optical signal within the mouse have an impact, the mouse will become "扭扭捏捏, hysteresis Shibuya condensate."

机械式鼠标是依靠其内部的机械电子装置产生的光栅信号判断鼠标的方向和速度的，所以，当外界的光源对鼠标内部的光信号产生影响时，鼠标就会变得"扭扭捏捏、迟滞凝涩"。

The results show that for the linear grating sensor the main error sources of the measurement are the meterage noise and the installation inclination, while for the ballbar transducer the main error source is the installation eccentricity.

结果显示，光栅尺的主要误差源是测量噪声和定位误差，球杆仪的主要误差源是定位误差。

In the axial direction of the cylindrer, the affect of the space between to the line array is discussed, further more, the causation and the elimination method of the grating lobe are discussed.

在圆柱轴线方向，讨论了间距的对轴向直线阵方向性函数的影响，并研究了栅瓣产生的原因及消除的措施。

The experiment shows that the adoption of Moiré fringes of the circular grating can make highprecision torque measurement of the principal axis meet the requirement, which offers a new noncontact method for the measurement of mechanic principal axes.

实验结果表明，采用圆光栅莫尔条纹可以达到主轴扭矩高精度测量的要求，为机械主轴测量提供了一种新的非接触式测量方法。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。