Laser beam scattering by an object in near field is studied.
研究激光引信波束对复杂目标在近场交会过程中的散射特性。
The frequency domain result of Gaussian beam scattering from rough surface is extended to the time domain and the effect of the beam waist radius is also discussed.
将高斯波束粗糙面散射的频域结果推广到时域，获得了与平面波入射时相似的结果，并分析了束腰半径变化对计算结果的影响。
Exact solution of a statistical model for laser beam scattering from diffusing surface has been obtained, the comparison with the approximation of center of gravity has been made.
本文对激光束在漫射表面上散射的一类统计模型给出了严格解，并与“质心近似”所得结果作了比较。
The detection method USES what's known as a single-beam coherent anti-Stokes Raman scattering technique. Translation?
这种探测思路采用已知的单光束相干反斯托克斯·拉曼散射技术。
Dielectric beam splitter was employed in this system, which facilitates the scan of scattering Angle.
该系统使用了介质分束片，可以方便地进行散射角扫描。
This paper analyzes the factors affecting radar bearing resolution, provides digital beam model and target scattering model to simulate target echoes image.
对影响雷达方位分辨率的因素进行了分析，提出用于目标回波图像模拟的雷达波束数字化模型和相应目标散射模型。
Thecoherent scattering of Gaussian beam by arbitrarily shaped convex dielectric object with rough surface is investigated.
研究了任意形状凸粗糙物体对高斯光束的相干散射特性。
The paper studies non-iterative bidirectional beam propagation method based on scattering operators which is used in numerical analysis of optical waveguide with abrupt longitudinal refractive index.
本文主要研究了基于散射算子的非迭代双向光束传输法数值分析纵向折射率有突变光波导的稳定性和精度等问题。
When material grain size is on the order of( ) wavelength of larger, excessive scattering of the ultrasonic beam may affect test result.
材料晶粒尺寸约大于多少波长时，超声波的散射会影响试验结果？
The relationship of the scattering area, the scattering intensity, the transmit loss and the directivity of the beam with the received angle in the same condition is studied.
在全向发射不同接收指向条件下推导出散射面积计算公式，考察了此时椭圆环上的散射面积、散射强度、传播损失与接收角之间的关系。
Several mainstream laser beam combination methods, including stimulated Brillouin scattering, diffraction optics units and all fiber beam combination, are introduced.
介绍了当前光纤组束研究中的几种主流方法，即利用受激布里渊散射的光纤组束；利用衍射光学元件的光纤组束；全光纤组束等。
The elastic and inelastic scattering of low energy electrons in solids and some of its applications in electron beam microanalysis are described.
本文介绍了低能电子在固体中的弹性散射和非弹性散射，及其在电子束显微分析中的一些应用。
Many molecules and particles in the atmosphere cause extinction of an incident beam of infrared radiation due to absorption and scattering processes.
由于吸收和散射的作用，大气中的许多分子和粒子使得红外光束消失。
Mask fabrication is a key technique of scattering with angular limitation projection electron-beam lithography (SCALPEL).
掩模制作是电子束散射角限制投影光刻(SCALPEL)的关键技术。
For scattering of a bounded acoustic beam from a liquid-solid interface, the principal difficulty comes from the treatment of tie plane wave reflection coefficient.
分析有限声波束从平面液-固界面上散射的困难主要发生在平面波反射系数的处理上。
Survey the area where the laser beam traverses and block all unnecessary specular reflections and scattering.
研究被激光光束所穿越并阻挡了所有不必要的镜面反射或散射的区域。
A beam decomposition algorithm is developed to analyze the microwave scattering from ocean-like surfaces.
使用波束分解算法，对海洋表面微波散射进行数值分析。
A scattering proton beam delivery system for conformal therapy and intensity modulated therapy is described.
描述一个适用于适形治疗和调强治疗的散射式质子束流配送系统。
The theory for generating Gaussian beam for calculating 2-d rough surface scattering is then given.
给出了计算二维粗糙面散射的高斯波束的理论。
As a means of phase conjugation. SBS (stimulated Brillouin scattering) can increase the power of solid lasers with high beam quality.
受激布里渊散射作为相位共轭的一种手段可以在保证光束质量的前提下有效地提高固体激光的功率。
A normalization method for experimentally measured angular distribution in elastic scattering experiment in which the radioactive ion beam was used as the projectile has been developed.
介绍了放射性核束弹性散射实验中测量的角分布进行归一化的方法。
Using the collision of relativistic laser and electron beam to study the nonlinear Compton scattering is the interdisciplinary frontier of particle physics and strong laser physics.
使用相对论性强激光与电子束对撞中产生的辐射研究非线性康普顿散射是粒子物理与强激光物理两个领域的交叉前沿课题。
In this work, we have studied the forward Raman scattering of circularly polarized KrF excimer laser beam in hydrogen gas. The conversion efficiency of the first Stokes line has reached about 44%.
本文研究了圆偏振氟化氪激光在氢气中的前向受激喇曼散射，第一级斯托克斯线的转换效率已达44％。
The interaction between particles and laser beam is studied and the numerical calculation of physical quantities of light scattering are also performed.
完成了颗粒与激光之间的相互作用的研究，完成了光散射物理参数量的数值计算。
The interaction between particles and laser beam is studied and the numerical calculation of physical quantities of light scattering are also performed.
完成了颗粒与激光之间的相互作用的研究，完成了光散射物理参数量的数值计算。
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