光栅

By analyzing the relationship between the deforming precision of Active Lap and corresponding force generated by moment actuators, a new structure of Active Lap for manufacturing a Φ1800mm, F/1.5 large paraboloidal mirror is obtained. Its progressed performance has been proved with 60 units micro-displacement sensor array.

通过分析能动磨盘的变形精度与对应的驱动器产生力大小的关系，优化设计出适用于Φ1.8m、F/1.5主镜加工的磨盘结构，改善的性能在60路光栅位移传感器阵列上得到验证，新结构磨盘已应用于Φ1.8m、F/1.5抛光面主镜的加工工程中。

As the pioneer and technology leader for fiber optic in Taiwan, Baycom now are producing and design kinds of Coupler, WDM, Connecter, Converter, Transceiver, Optical Switch, Patch cord, Pigtail, Collimator, etc.

目前冠德光电已拥有完整之上、中、下游产品线，包含了各式光耦合器，分波多工器，光连接器，光电转换器，光传输模组，光纤光栅，跳接线，光纤引线，准直器等光通讯元件。

A fast simulation method for sampled fiber Bragg gratings with periodic index distribution .

折射率周期分布取样光纤Bragg光栅的快速分析方法。

Quantitative measurements also show that the bend sensitivity against the resonant wavelength shift has a periodic distribution along circular directiom.Based on these results,this paper proposes two approaches for sensor desi...

据此提出新型对弯曲不敏感的传感器和可调灵敏度弯曲传感器的设计方案，可望从根本上解决长周期光纤光栅在测量中存在的温度、应变或折射率与弯曲之间的交叉敏感问题

The method is :there are two perpendicular axes whose distance are controlled ,one is the axis of work table, the other is fixed with a microscope for aiming.

该测量方法是：两个相互垂直且间距可调的数控回转轴，一轴与工件的回转中心重合，另一轴上固定可移动的瞄准显微镜，当显微镜瞄准被测孔时，两轴的转角由各自的圆光栅测出，两轴之间的角度位置确定曲面壳体零件上小孔的孔位置，同时采用CCD摄像头，利用图象处理技术实现小孔的尺寸测量。

In the phase measurement technology based on grating projection, there are some difficulties such as: the method of projection, phase unwrapping algorithm and 3-D coordinates calibration.

在光栅投射相位测量技术中存在着几个难点，例如：投影方式、相位去包裹算法和3－D坐标标定。

A practical algorithm for the determination of phase from image and diffraction plane pictures.

大深度任意剖面形状光栅的模式理论和RTCM递推算法。

In the course of the research of modulation measurement based on phase shift techniques, this paper gives the programs on error margin analysis of the phase shift and the function analysis of grating, and analyzes facts that phase shift error has some effects on obtaining modulation value.

在研究基于相移技术的调制度测量原理中，编写了相移误差分析及光栅性能分析的程序，并分析了相移误差对获取调制度信息的影响。

When the axis turns with the most grating, photoelectric cell's signal is sin wave.

当轴转用最光栅、光电电池的仲波信号。

In this paper,an optical alignment system is introduced using gratings with different constant for the step projection photoetching machine.

介绍一种在分步投影光刻机中，采用不等栅距光栅进行对准的系统。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。