查询词典 optical grating

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"。

Optical design of a novel spherical grating monochromator is described, which is used in testing the soft X ray spectra of a low debris laser produced plasma.

提出了一种用于低碎屑激光等离子体软X射线光谱测试的球面光栅单色仪的光学设计方案。

As it is mentioned above, it is worthwhile for optical communications to study arrayed waveguide grating multiplexer.

由此可见，对阵列波导光栅复用器的研究分析对整个光通信的发展有着重要的意义。

Design and error analysis of trapeziform grating for high density optical disk storage.

高密度光盘存储中的梯形光栅设计和误差分析。

Thirdly, the experiment setup of this kind of two-dimensional zero-reference grating is established. The arrangement of optical path, the design of circuit and the system software are presented in detail.

再次，搭建了二维零位光栅的性能试验和重复定位精度实验系统，对实验系统的光路布置，电路设计以及系统软件进行了详细的描述。

The strain and temperature resolution is 30με and 3℃, respectively. 6. Several typical demodulation method using optical filters, including quasi delta function demodulation, linear function demodulation, matrix function demodulation and trigonometric function demodulation, is presented and discussed. We research the matched-grating demodulation and a high wavelength resolution of 2. 6pm is reached.

分析和归纳了几类较为典型的滤波解调制方法（包括：类δ函数解调制、线性函数解调制、矩形函数解调制和三角函数解调制），对这几类方法如何实现做了简单讨论，并对匹配光栅解调解调技术进行了理论分析和实验研究，这种检测方案的波长分辨率可达2.6pm。

The elements of optical waveguide strain-stress measurement and fiber bragg grating strain-stress measurement system based on wavelength division multiplexing and spatial division multiplexing are emphatically discussed; the displacement regularity of stress field induced by roadway group excavating and short wall mining process is analyzed in detail; the concept of roadway "equivalent radius","correcting coefficient of coal and rock mass mechanical parameters",and "mining affecting coefficient" is put forward; the calculation method of "equivalent radius", the method of inversion of "correcting coefficient of coal and rock mass mechanical parameters", and the "mining affecting coefficient" determination method with the field measurement results and so on are provided.

重点研究了光波导应力应变测量原理，以及基于波分复用和空分复用技术基础上的布拉格光纤光栅应力应变测量体系；详细分析了近距离巷道群开掘工作和短壁体系回采工作诱发的应力场的重新分布规律；提出了巷道"当量半径"、"煤岩体力学参数修正系数"、"采动影响系数"等概念；给出了"当量半径"的计算方法、"煤岩体力学参数修正系数"的反分析求算方法、以及通过现

We present a new method for alignment optical axis and axis of rotation in laser direct writing system using reflection of plane grating.

提出一种光栅反射对准法：在极坐标激光直写系统中利用光栅反射聚焦光斑来校准光轴和工件台的转动轴；被光栅反射的聚焦光斑成像在CCD上。

Lost and cost are two problems which are difficult to be resolved coinstantaneous in Fiber Bragg grating reflection signal pickup. We analyzed the spectra transmission characteristics of FBG Sagnac loop with coupled mode theory , and discussed the affection of optical path difference to its transmission.

论文利用模式耦合理论，对光纤Bragg光栅Sagnac环的传输特性进行细致的讨论，分析了光程差对其传输特性的影响，并提出了光纤光栅Sagnac环包络带通滤波器的概念，指出其在光纤光栅反射信号提取中的低损耗和低代价的特性，最后通过实验研究验证了理论上的分析和构想。

Under the oblique incidence cases, the optical path difference of light beam distributed on the edge of steps can be calculated by using the geometric method. Then, according to the multi-slit Fraunhofer diffraction, the expression of diffraction intensity of reflection step grating is deduced.

针对反射性阶梯光栅，利用几何方法计算出斜入射情况下光束在台阶边缘的光程差的分布情况，根据多缝夫琅和费衍射推导出反射型阶梯光栅的衍射光强表达式。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。