光束

The results show that when the cone angles are equal to a series of special values incident beams normal to the bottom surface of a cone passing through this cone will exit along its generatrices,and form a circle-type spot on the plane perpendicular to the axis of cone,all its energies is concentrated in the circle.

结果显示圆锥体的顶角等于一系列特定值时，垂直圆锥体底面入射的光束经过该圆锥体后光束沿着其母线方向出射，在垂直于圆锥体轴线的平面上形成一圆周型光斑，其光能量全部集中在圆周上。

The advan tages and disadvantages of using the normal equations to fit a hyperbola were an alyzed. The hyperbola fitted by SVD was used to express the change of the laser beam's width, and the rules for estimating the goodnessoffit were offered. The fitting precisions of hyperbolas fit with the normal equations and the SVD were compared.

通过分析激光光束质量参数测量中应用正规方程组拟合双曲线的优缺点，给出采用奇异值分解拟合激光光束束宽变化双曲线的拟合优度判断方法，并对比了奇异值分解和正规方程组两种双曲线拟合方法的拟合精度。

The mirror is applied in laser beam expand system, it can not only control the sending and incepting directions of the high energy laser beam accurately, and adjust the oblique high energy laser beam, but also can improve the beam quality by minishing the mirror thermal distortion.

本文介绍了一种应用于高能激光系统中的新型二维快速控制水冷反射镜，既可实现精确控制激光发射和接收光轴的方向，对光束整体倾斜方向进行校正，又可实现减小镜面热畸变提高光束质量的功能。

The Colossus initially carries a Phason Laser, which incinerates nearby units.

银河巨像装备有起伏量子光束，此光束可以焚毁附近的敌人。

High-precision and extreme-sensitivity beam orienting could be achieved by the application of beam nutating and coherent detecting technologies.

它采用光束章动和相干检测技术，可实现高精度和极高灵敏度的光束定向。

Keywords: Inter-satellite optical communication; beam orienting; Coherent detection; Beam nutating

中文关键词：星间光通信；光束定向；相干检测；光束章动

The results show that the noise of original image is effectively suppressed and ridded after the preprocessing treatment,and the intensity distribution is comparatively smooth.

在入射光束为基模高斯光束的条件下，随着入射光能量增大，受激布里渊散射光斑的空间光强分布由近高斯型转变为高斯型。

The generation methods of the special OAM are introduced, including superposing the beam lights with special phase and frequency, computer-generated hologram and mode converter.

介绍了具有轨道角动量的光束模式的生成方法：一、具有特定相位以及频率关系的光束模式的叠加；二、计算机生成的全息图；三、模式转换器。

The transverse divergence angle and the beam propagation factor are both determined by the two transverse beam parameters.

而横向发散角和光束传输因子却取决于两横向上的光束参数。

The divergence angle of light beam was measured with the method of CCD imaging and computed by second moment method.

通过CCD成像方法对准直后的光束发散角进行了测量，利用二阶矩算法计算出光束发散角。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。