spot beam

Analysis of local warping and torsional rigidity of spot-welded thin-walled box section beam with different wall thickness

异壁厚点焊箱形截面薄壁梁的局部翘曲和扭转刚度分析

Effects of pulsed laser parameters such as laser wavelength, beam spot size, pulse energy and pulse duration on threshold energy in laser simulating Single Event Effect testing are analyzed.

分析了在激光模拟单粒子效应试验中激光波长、束斑大小、脉冲能量、脉冲宽度等脉冲激光参数对阈值能量的影响。

The size of beam spot of EBW is important factor which affects weld configuration.

电子束焊接焦点的大小是影响焊缝成型的重要因素.

In order to acquire a high intensity and minimal scanning beam spot, diffraction analysis and optimal results have been presented.

利用衍射分析方法，优化扫描光束参数，获得高强度、高质量扫描光点。

We find from the simulation that when the GH shift is enhanced to the scale of beam waist width, obvious beam distortion appears, the reflected spot changes into a double-peak shape.

我们发现，当古斯汉欣位移被增强到束腰宽度的尺度，即出现了明显的形变，其表现为反射光斑内的能量分布出现双峰结构。

According to the space geometry, the coverage of satellite constellation on earth, and the shape of spot beam, by building up mathematic model, a spot beam judgement simulation ( algorithm) is proposed.

根据星座空间几何基础，以及卫星对地面的覆盖情况以及点波束的形状，通过建立数学模型，提出了地面终端确定所在点波束的仿真算法；

The transmission of circle spot laser beam in Kerr-medium is investigated with solving Schrodinger nonlinear equation numerically.

通过数值求解非线性Schrodinger方程，详细讨论了环形斑激光束在非线性克尔介质中的传输特性。

A beam of light spot size to another a beam of light conjugation phase properties influence, get a bunch of incident light from pumping phase-conjugate reflectance R as another bunch of symmetrical disk incident light is decreased.

研究了一束光光斑尺寸大小对另一束光相位共轭特性的影响，得到一束入射光的自抽运相位共轭反射率R随着另一束对称入射光光斑的增大而减小。

In addition, analytic expression of the waist spot size and working distance of output Gaussian beam were derived, and the influence of coreless fiber and GRIN fiber ′ s length upon fiber-lens parameter was discussed by numerical simulation results.

推导了出射高斯光束的束腰半径和工作距离的解析表达式，进而对该光纤透镜做了数值模拟，讨论了无芯光纤和GRIN多模光纤的长度对光纤透镜参数的影响。

Linac with mm diameter beam spot strikes the bremsstrahlung converter target to generate X-ray and the backstreaming ions.

强流高功率脉冲电子束聚焦成mm量级的束斑后，打击到轫致辐射靶的过程中会产生回流离子，它会导致电子束被提前聚焦，在预定的靶面形成散焦。

To meet the needs of high capacity system, new technologies are being developed, and one of the most recent is the system known as time division multiple access, satellite switched ( TDMA/ SS) which is suitable for multiple spot beam zones.

为了满足高容量系统的要求，近几年发展了许多新的技术，其中为了解决多个点波束区域的通信，被称为时分多址/星上交换（TDMA/SS）技术便应运而生。